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Hunting BlackCat: A ransomware family on the rise

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Hunting BlackCat: A ransomware family on the rise

  • Logpoint research reveals that BlackCat has the fourth-highest number of victims in the last six months.
  • BlackCat uses its public leak site to intimidate victims, where anyone can easily search and access the leaked victim information.

COPENHAGEN, Denmark & BOSTON, December 8, 2022 – Intimidation is the name of the game with BlackCat ransomware. Victim information is made easily accessible on the BlackCat website, ransom demands increase, and encryption keys are deleted. The intimidation seems to be working. The ransomware group had the fourth highest number of victims from May to November 2022, Logpoint research reveals, and the highest ransom demanded so far is 14 million dollars.

Logpoint’s Security Analyst team has analyzed multiple variants of the BlackCat ransomware to understand its Tactics, Techniques, and Procedures (TTPs). The analysis reveals that the ransomware mainly achieved initial access via spearphishing, tricking victims into downloading macro-enabled documents. The ransomware supports multiple encryption modes along with intermittent encryption, providing speed and defense evasion capabilities. In addition, BlackCat uses the data destruction method to destroy essential data or render it useless, maximizing the impact on the victim.

“BlackCat operates under the Ransomware-as-a-Service (RaaS) model and uses both double and triple extortion techniques. Now that it’s spreading, organizations need to be extra cautious,” says Doron Davidson, VP Logpoint Global Services. “Each second wasted equals lost data, so organizations must implement preventive measures that enable detection, apply automation for enrichment and response, and keep contingency plans up their sleeve.”

To safeguard your organization against BlackCat, Logpoint recommends:

  • Monitor carefully for suspicious activity that shows the possibility of BlackCat infection, such as suspicious processes spawned by various Microsoft Office utilities
  • Simulate the worst-case scenarios regularly and make sure the incident response, playbooks, and disaster recovery plan are in place for working and continuity of business
  • Use segmentation or other methods to design the network in such a way as to maximize the reduction of impact from BlackCat

Read Logpoint’s blog post about hunting and remediating BlackCat ransomware here. It contains an in-depth technical analysis of execution and persistence, lateral movement, impact, and more. It also provides tangible means of detecting, investigating, and responding to BlackCat.

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Maimouna Corr Fonsbøl

Maimouna Corr Fonsbøl

Press contact Head of PR PR & Communications +45 25 66 82 98

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