The Clop Ransomware Group
The Clop ransomware group is a Russian cybercriminal gang known for carrying out ransomware attacks and demanding multimillion-dollar payments from victims before publishing the data they claim to have hacked[1]. They have targeted hundreds of companies, including schools, businesses, government agencies, and even federal agencies[1][5]. The group has been involved in high-profile attacks, such as compromising employee data at the BBC and British Airways[1]. They exploit software vulnerabilities to breach servers and steal data[2][3][4].
The Clop ransomware group first emerged in February 2019 and has since conducted mass-ransomware attacks against businesses in Europe and Asia[4]. They have been linked to various ransomware campaigns aimed at Western targets[5]. The group is known for exploiting vulnerabilities in software, such as the MOVEit software, to carry out their attacks[5]. They have caused significant damage and pose a serious threat to organizations worldwide[4].
To protect themselves from ransomware threats like Clop, organizations should monitor their third-party vendors and ensure that their systems are secure[4]. It is crucial to patch vulnerabilities and implement robust cybersecurity measures to mitigate the risks of data breaches[4]. The Clop ransomware group operates with high efficiency, and their attacks have had substantial consequences[4].
It is important for organizations to stay vigilant, keep their systems updated, and have proper cybersecurity measures in place to defend against ransomware attacks like those carried out by the Clop group[6]. Regular backups, employee training on cybersecurity best practices, and strong network security can help mitigate the risks posed by ransomware attacks[6].
Citations:
[1] https://www.cnn.com/2023/06/16/tech/clop-ransomware-attack-explainer/index.html
[2] https://www.bleepingcomputer.com/news/security/shutterfly-says-clop-ransomware-attack-did-not-impact-customer-data/
[3] https://www.bleepingcomputer.com/news/security/the-week-in-ransomware-june-9th-2023-its-clop-again/
[4] https://blackkite.com/research/clop-ransomware-third-party-risks-goanywheremft/
[5] https://www.nytimes.com/2023/06/15/us/politics/russian-ransomware-cyberattack-clop-moveit.html
[6] https://heimdalsecurity.com/blog/companies-affected-by-ransomware/
How does the Clop ransomware group operate and what tactics do they use
The Clop ransomware group is a Russian cybercriminal gang known for carrying out ransomware attacks and demanding multimillion-dollar payments from victims before publishing the data they claim to have hacked[1][3]. They have targeted hundreds of companies, including schools, businesses, government agencies, and even federal agencies[1][3][4]. The group exploits software vulnerabilities to breach servers and steal data[2][3][4]. Here are some of the tactics used by the Clop ransomware group:
- The Clop ransomware group appends the “.ClOP” extension to the files it encrypts[2].
- The group targets a victim’s entire network instead of just individual computers by hacking into the Active Directory (AD) server before the ransomware infection to determine the system’s Group Policy[2].
- The group uses brute-force tactics to access victim networks[1].
- They exploit vulnerabilities in software, such as the MOVEit software, to carry out their attacks[4][6].
- The group demands multimillion-dollar payments from victims before publishing data they claim to have hacked[1][3].
- They publish an extortion note on their website warning that victims need to contact the gang or be named on the group’s extortion site[4].
- The Clop ransomware group operates with high efficiency, and their attacks have had substantial consequences[4].
To protect themselves from ransomware threats like Clop, organizations should monitor their third-party vendors and ensure that their systems are secure[4]. It is crucial to patch vulnerabilities and implement robust cybersecurity measures to mitigate the risks of data breaches[4]. Regular backups, employee training on cybersecurity best practices, and strong network security can help mitigate the risks posed by ransomware attacks[6].
Citations:
[1] https://blackkite.com/research/clop-ransomware-third-party-risks-goanywheremft/
[2] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-clop
[3] https://www.cnn.com/2023/06/16/tech/clop-ransomware-attack-explainer/index.html
[4] https://therecord.media/clop-extortion-hundreds-organizations-moveit-vulnerability
[5] https://blogs.blackberry.com/en/2023/02/clop-ransomware-gang-sinister-attacks-against-healthcare
[6] https://www.mcafee.com/blogs/other-blogs/mcafee-labs/clop-ransomware-exploits-moveit-software/
What is the average ransom payment demanded by Clop
According to a report that cited Coveware’s findings, the average ransom payment demanded by the Clop ransomware group significantly went up to $220,298 in the first quarter of 2021, which is an increase of 43%[1][3]. However, the average ransom payment in cases worked by Unit 42 incident responders rose to $925,162 during the first five months of 2022, approaching the unprecedented $1 million mark as they rose 71% from last year[4]. The Clop ransomware group is known for demanding multimillion-dollar payments from victims before publishing data they claim to have hacked[1][5]. The group uses the double extortion method and extorted nearly $220,000 on average ransom payment from its victims in 2021 Q1[3].
It is important for organizations to stay vigilant, keep their systems updated, and have proper cybersecurity measures in place to defend against ransomware attacks like those carried out by the Clop group[6]. Regular backups, employee training on cybersecurity best practices, and strong network security can help mitigate the risks posed by ransomware attacks[6].
Citations:
[1] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-clop
[2] https://www.hhs.gov/sites/default/files/clop-ransomware-analyst-note-tlpclear.pdf
[3] https://www.picussecurity.com/resource/clop-ransomware-gang
[4] https://www.paloaltonetworks.com/blog/2022/06/average-ransomware-payment-update/
[5] https://www.cnn.com/2023/06/16/tech/clop-ransomware-attack-explainer/index.html
[6] https://blogs.blackberry.com/en/2023/02/clop-ransomware-gang-sinister-attacks-against-healthcare
What factors influence the amount of ransom demanded by Clop
Based on the search results, here are some factors that influence the amount of ransom demanded by the Clop ransomware group:
- The size and revenue of the targeted organization: The Clop ransomware group typically targets organizations with a revenue of $5 million U.S. Dollars (USD) or higher[2]. The group has targeted businesses, schools, government agencies, and even federal agencies[1][3][4].
- The type of data stolen: The group uses the double extortion method and threatens to sell stolen information[5]. The amount of ransom demanded may depend on the type of data stolen and its value to the victim organization.
- The level of damage caused: The Clop ransomware group has caused significant damage to organizations worldwide[4]. The amount of ransom demanded may depend on the level of damage caused by the attack.
- The group's business model: The Clop ransomware group operates as a Ransomware-as-a-service (RaaS) and uses multiple extortion tactics[5]. The amount of ransom demanded may depend on the group's business model and the services they offer to their customers.
To protect themselves from ransomware threats like Clop, organizations should monitor their third-party vendors and ensure that their systems are secure[4]. It is crucial to patch vulnerabilities and implement robust cybersecurity measures to mitigate the risks of data breaches[4]. Regular backups, employee training on cybersecurity best practices, and strong network security can help mitigate the risks posed by ransomware attacks[6].
Citations:
[1] https://blogs.infoblox.com/security/clop-ransomware-demands-20-million-ransom/
[2] https://www.hhs.gov/sites/default/files/clop-ransomware-analyst-note-tlpclear.pdf
[3] https://cloudscale365.com/clop-ransomware-risk-and-how-to-mitigate-it/
[4] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-clop
[5] https://www.picussecurity.com/resource/clop-ransomware-gang
[6] https://intel471.com/blog/insights-from-clops-moveit-extortion-attack
What is the typical timeframe given by Clop for paying the ransom
Based on the search results, there is no specific timeframe given by the Clop ransomware group for paying the ransom. However, the group has been known to set deadlines for victims to contact them to arrange payment[3][6]. For instance, in June 2023, the Clop group set a seven-day deadline for victims of its latest attack to contact them to negotiate a ransom[3]. The group is known for using various extortion techniques, such as targeting workstations of top executives, doxxing employees, and advertising their breaches to reporters[3]. The group demands multimillion-dollar payments from victims before publishing data they claim to have hacked[1][5].
To protect themselves from ransomware threats like Clop, organizations should monitor their third-party vendors and ensure that their systems are secure[4]. It is crucial to patch vulnerabilities and implement robust cybersecurity measures to mitigate the risks of data breaches[4]. Regular backups, employee training on cybersecurity best practices, and strong network security can help mitigate the risks posed by ransomware attacks[6].
Citations:
[1] https://blogs.infoblox.com/security/clop-ransomware-demands-20-million-ransom/
[2] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-clop
[3] https://www.computerweekly.com/news/366541722/Clops-MOVEit-ransom-deadline-expires
[4] https://www.hhs.gov/sites/default/files/clop-ransomware-analyst-note-tlpclear.pdf
[5] https://news.sophos.com/en-us/2023/07/10/clop-at-the-top/
[6] https://www.theregister.com/2023/06/07/clop_crew_sets_extortion_deadline/
What percentage of victims pay the ransom demanded by Clop
The search results do not provide a specific percentage of victims who actually pay the ransom demanded by the Clop ransomware group. However, it is worth noting that there have been cases where victim organizations have chosen not to pay the ransom and instead recover their data using offsite copies[1]. Additionally, there have been instances where organizations successfully infiltrated by Clop ransomware have refused to pay the ransom demand[2].
The decision to pay the ransom or not is influenced by various factors, including the organization's risk assessment, financial capabilities, data importance, and the availability of backups or other means of data recovery. It is important to note that paying the ransom does not guarantee that the attackers will provide the decryption key or delete the stolen data. Furthermore, paying the ransom may encourage further attacks and fund criminal activities.
To protect themselves from ransomware threats like Clop, organizations should focus on preventive measures such as implementing robust cybersecurity measures, regularly backing up data, patching vulnerabilities, and educating employees about phishing and other attack vectors. Having a comprehensive incident response plan in place can also help organizations effectively respond to and recover from ransomware attacks.
Citations:
[1] https://blogs.infoblox.com/security/clop-ransomware-demands-20-million-ransom/
[2] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-clop
[3] https://www.cpomagazine.com/cyber-security/10-million-offered-to-end-clop-ransomware-spree-through-state-department-reward-for-justice-program/
[4] https://www.hhs.gov/sites/default/files/clop-ransomware-analyst-note-tlpclear.pdf
[5] https://cloudscale365.com/clop-ransomware-risk-and-how-to-mitigate-it/
[6] https://www.cnn.com/2023/06/16/tech/clop-ransomware-attack-explainer/index.html
What industries have been most affected by the Clop ransomware attacks
Based on the search results, the industries that have been most affected by the Clop ransomware attacks include:
- Airline
- Industrial
- Retail
- Consulting and General Business
- Education
- Government and Public Sector
- Financial services and banking
- Healthcare
These industries have been targeted by the Clop ransomware group, with victims ranging from businesses, schools, government agencies, and even federal agencies[1][3][4]. The industrial sector has been particularly impacted, with 45% of Clop ransomware attacks targeting industrial organizations[3]. The healthcare industry has also been a target of the Clop gang's attacks, posing significant risks to organizations within this sector[6].
It is important for organizations in these industries, as well as others, to prioritize cybersecurity measures, regularly update their systems, and implement robust defenses to mitigate the risks of ransomware attacks like those carried out by the Clop group. Regular backups, employee training on cybersecurity best practices, and strong network security can help organizations protect themselves against ransomware threats[6].
Citations:
[1] https://flashpoint.io/blog/clop-ransomware-moveit-vulnerability/
[2] https://blackkite.com/research/clop-ransomware-third-party-risks-goanywheremft/
[3] https://www.bleepingcomputer.com/news/security/clop-ransomware-gang-is-back-hits-21-victims-in-a-single-month/
[4] https://www.hhs.gov/sites/default/files/clop-ransomware-analyst-note-tlpclear.pdf
[5] https://www.picussecurity.com/resource/clop-ransomware-gang
[6] https://blogs.blackberry.com/en/2023/02/clop-ransomware-gang-sinister-attacks-against-healthcare
How does Clop gain access to victim networks
The Clop ransomware group employs various methods to gain access to victim networks. While specific techniques may vary, here are some common methods used by the group:
Phishing Emails: Clop often initiates their attacks through phishing emails. They send malicious emails that appear legitimate, tricking recipients into clicking on malicious links or opening infected attachments. Once the victim interacts with the email, the ransomware is deployed, allowing the group to gain access to the network.
Exploiting Vulnerabilities: The Clop group actively exploits vulnerabilities in software and systems to gain unauthorized access. They target known vulnerabilities in software applications, operating systems, or network infrastructure to infiltrate victim networks. They can gain a foothold and escalate their attack by exploiting these vulnerabilities.
Remote Desktop Protocol (RDP) Attacks: The group has been known to exploit weak or misconfigured Remote Desktop Protocol (RDP) connections. They use brute-force techniques to guess weak passwords or exploit vulnerabilities in RDP implementations to gain unauthorized access to the victim's network.
Supply Chain Attacks: Clop has also been associated with supply chain attacks, where they compromise third-party software providers or vendors. By targeting trusted software or service providers, they can gain access to multiple organizations that rely on those providers.
Credential Theft: The group may employ various methods to steal user credentials, such as keyloggers, credential harvesting, or password spraying attacks. Once they obtain valid credentials, they can use them to gain unauthorized access to victim networks.
It is important for organizations to implement strong security measures to protect against these attack vectors. This includes regular employee training on recognizing and avoiding phishing emails, keeping software and systems up to date with the latest patches, implementing strong access controls and password policies, and monitoring network traffic for suspicious activities.
Citations:
[1] https://news.sophos.com/en-us/2023/07/10/clop-at-the-top/
[2] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-clop
[3] https://www.cnn.com/2023/06/16/tech/clop-ransomware-attack-explainer/index.html
[4] https://intel471.com/blog/insights-from-clops-moveit-extortion-attack
[5] https://www.bleepingcomputer.com/news/security/clop-ransomware-gang-is-back-hits-21-victims-in-a-single-month/
[6] https://blackkite.com/research/clop-ransomware-third-party-risks-goanywheremft/
What are some examples of social engineering techniques used by Clop
The Clop ransomware group employs various social engineering techniques to trick victims into clicking on malicious links or opening infected attachments. Here are some examples of social engineering techniques used by the group:
Phishing Emails: Clop often initiates their attacks through phishing emails. They send malicious emails that appear legitimate, tricking recipients into clicking on malicious links or opening infected attachments. The emails may appear to come from a trusted source, such as a colleague or a vendor, and may contain a sense of urgency to prompt the recipient to act quickly.
Impersonation: The group may impersonate a trusted entity, such as a vendor or a customer, to gain the victim's trust. They may use social engineering techniques to obtain sensitive information, such as login credentials or financial data.
Social Media: Clop may use social media platforms to gather information about their victims. They may create fake profiles or impersonate legitimate users to gain access to sensitive information.
Phone Calls: The group may use phone calls to impersonate a trusted entity, such as a bank or a government agency, to obtain sensitive information. They may use social engineering techniques to convince the victim to provide login credentials or financial data.
Fake Websites: Clop may create fake websites that appear legitimate to trick victims into entering sensitive information. They may use social engineering techniques to convince the victim to enter their login credentials or financial data.
It is important for organizations to implement strong security measures to protect against these social engineering techniques. This includes regular employee training on recognizing and avoiding phishing emails, implementing strong access controls and password policies, and monitoring network traffic for suspicious activities. Additionally, organizations should implement multi-factor authentication and use security tools such as firewalls and antivirus software to detect and prevent social engineering attacks.
Citations:
[1] https://www.clayton.edu/its/it-security/cyber/index
[2] https://www.infosecurity-magazine.com/news/clop-moveit-adaptable-persistent/
[3] https://intel471.com/blog/insights-from-clops-moveit-extortion-attack
[4] https://news.sophos.com/en-us/2023/07/10/clop-at-the-top/
[5] https://www.cnn.com/2023/06/16/tech/clop-ransomware-attack-explainer/index.html
[6] https://healthitsecurity.com/news/clop-ransomware-gang-exploiting-moveit-cybersecurity-vulnerability
How does Clop use lateral movement to spread quickly through a network
Based on the search results, the Clop ransomware group uses lateral movement to spread quickly through a network. Here are some ways the group uses lateral movement:
Remote Desktop Protocol (RDP) Attacks: The group may exploit weak or misconfigured RDP connections to move laterally across the network. They use brute-force techniques to guess weak passwords or exploit vulnerabilities in RDP implementations to gain unauthorized access to the victim's network[3][6].
Cobalt Strike: The group deploys Cobalt Strike, a legitimate penetration testing tool, to aid in lateral movement. They use this tool to move laterally across the network and evade detection[3].
Internal Reconnaissance: The group performs internal reconnaissance to identify high-value targets and sensitive data. They use this information to move laterally across the network and exfiltrate data[4].
Zero-Day Vulnerabilities: The group exploits zero-day vulnerabilities in software and systems to move laterally across the network. They target known vulnerabilities in software applications, operating systems, or network infrastructure to infiltrate victim networks[1].
It is important for organizations to implement strong security measures to protect against these lateral movement techniques. This includes regularly updating software and systems, implementing strong access controls and password policies, and monitoring network traffic for suspicious activities. Additionally, organizations should implement multi-factor authentication and use security tools such as firewalls and antivirus software to detect and prevent lateral movement attacks.
Citations:
[1] https://www.infosecurity-magazine.com/news/clop-moveit-adaptable-persistent/
[2] https://news.sophos.com/en-us/2023/07/10/clop-at-the-top/
[3] https://lumu.io/blog/clop-ransomware-blitz/
[4] https://www.crowdstrike.com/cybersecurity-101/lateral-movement/
[5] https://intel471.com/blog/insights-from-clops-moveit-extortion-attack
[6] https://www.aha.org/cybersecurity-government-intelligence-reports/2023-01-04-tlp-clear-hc3-analyst-report-clop-ransomware-january-4-2023
What steps can companies take to protect themselves from ransomware attacks like Clop
To protect themselves from ransomware attacks like Clop, companies can take the following steps:
Implement Robust Security Measures:
- Use comprehensive security solutions that include anti-malware, firewall, and intrusion detection/prevention systems.
- Keep all software and systems up to date with the latest patches and security updates.
- Utilize strong and unique passwords for all accounts and enable multi-factor authentication.
- Regularly review and update security policies and procedures.
Educate Employees:
- Provide regular training on cybersecurity best practices, including how to recognize and avoid phishing emails and suspicious links.
- Encourage employees to report any suspicious activities or potential security incidents promptly.
Backup Data Regularly:
- Maintain regular backups of critical data and ensure they are stored securely offline or in a separate network segment.
- Test the restoration process periodically to ensure the backups are reliable.
Implement Access Controls:
- Limit user privileges and access rights to only what is necessary for their roles.
- Implement the principle of least privilege, granting access based on job requirements.
- Monitor and log user activities to detect any unauthorized access attempts.
Enable Network Segmentation:
- Divide the network into segments to limit the spread of ransomware in case of an infection.
- Implement strict access controls between network segments to prevent lateral movement.
Conduct Regular Vulnerability Assessments:
- Perform regular vulnerability assessments and penetration testing to identify and address any weaknesses in the network infrastructure.
- Patch vulnerabilities promptly to prevent exploitation by ransomware attackers.
Develop an Incident Response Plan:
- Create a comprehensive incident response plan that outlines the steps to be taken in the event of a ransomware attack.
- Test and update the plan regularly to ensure its effectiveness.
By implementing these measures, companies can enhance their defenses against ransomware attacks like Clop and minimize the potential impact of such incidents. Maintaining a proactive and vigilant approach to cybersecurity is crucial to protect sensitive data and maintain business continuity.
Citations:
[1] https://helpransomware.com/clop-ransomware/
[2] https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-clop
[3] https://blogs.blackberry.com/en/2023/02/clop-ransomware-gang-sinister-attacks-against-healthcare
[4] https://blackkite.com/research/clop-ransomware-third-party-risks-goanywheremft/
[5] https://success.trendmicro.com/solution/000151740-CLOP-Ransomware-Information
[6] https://www.aha.org/cybersecurity-government-intelligence-reports/2023-01-04-tlp-clear-hc3-analyst-report-clop-ransomware-january-4-2023