Thursday, February 22, 2024

LockBit Ransomware Gang Earned $91 Million Ever Since It Discovered

LockBit was one of the most widely used ransomware in 2022, targeting both small and large organizations irrespective of their size or net worth.

The threat actor group deploying this LockBit ransomware was working as a RaaS (Ransomware-as-a-service) based group with affiliates working anonymously worldwide.

The group is also said to have recruited affiliates for deploying the ransomware in various industries like government, agriculture, education, etc. The group also conducted some publicity-generating stunts to attract more people to their group.

Recent reports from CISA (Cybersecurity and Infrastructure Security Agency), the group has reportedly earned a revenue of $91 million in ransom in the United States itself, making it one of the highest-earning malware groups in history.

Attack Timeline

LockBit was discovered as part of an activity in the ABCD ransomware in 2019.  In 2020, the first LockBit-named ransomware was found in the Russian Language. The ransomware has been upgraded to version 2 in June 2021 and version 3 in March 2022.

According to the reports, 18% of the ransomware incidents reported between 1st April 2022 to 31st March 2023 included LockBit ransomware, whereas 22% of ransomware reports in Canada in 2022 were related to the same ransomware.

In addition, the FBI reported that there have been 1700 successful attacks in the US using the LockBit ransomware.

Exploitation of CVE(s)

The affiliates recruited by the LockBit ransomware group were exploiting older and newer vulnerabilities. Some of the very common vulnerabilities exploited by the affiliates were,

  • CVE-2023-0669 –  Fortra GoAnywhere Managed File Transfer (MFT) Remote Code Execution Vulnerability 
  • CVE-2023-27350 – PaperCut MF/NG Improper Access Control Vulnerability
  • CVE-2021-44228 – Apache Log4j2 Remote Code Execution Vulnerability
  • CVE-2021-22986 – F5 BIG-IP and BIG-IQ Centralised Management iControl REST Remote Code Execution Vulnerability
  • CVE-2020-1472 – NetLogon Privilege Escalation Vulnerability
  • CVE-2019-0708 – Microsoft Remote Desktop Services Remote Code Execution Vulnerability
  • CVE-2018-13379 – Fortinet FortiOS Secure Sockets Layer (SSL) Virtual Private Network (VPN) Path Traversal Vulnerability

Mitigations

  • Keep all the OS, hardware, firmware and software up to date
  • Control and restrict all the network connections
  • Apply local execution policies for applications
  • Disable unused ports
  • Investigate abnormal activity and other activities
  • Use Web Filtering
  • Maintain Offline backups of data and encrypt them
  • Create a recovery plan

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Guru baran
Guru baranhttps://gbhackers.com
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

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