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LockBit 2.0 Reverse Engineering: Detection & IOCs

LockBit 2.0 encrypts only the first 4KB of each file and deploys domain-wide through SYSVOL; 15 IOCs and 9 detection rules include a free Splunk SPL rule.

Read the full threat intel for LockBit 2.0 Reverse Engineering: Detection & IOCs →

Chapters

  1. 0:00The hook22 attack techniques deployed.
  2. 0:04The storyIt skips CIS-region locales.
  3. 0:10Attack pathHides strings, checks for debuggers.
  4. 0:23AttributionAttributed to LockBit.
  5. 0:27Indicators of compromise12 indicators to hunt: 1 SHA-256 hash, 1 MD5 hash and 4 file names, and more.
  6. 0:37MITRE ATT&CK techniques22 ATT&CK techniques, from execution to impact.
  7. 0:41Remediation4 steps now: Hunt for Restore-My-Files.txt, .lockbit files and LockBit_Ransomware.hta on endpoints.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:0022 attack techniques deployed.

0:05It skips CIS-region locales.

0:07Spreads through Group Policy.

0:10Hides strings, checks for debuggers.

0:13Escalates via UAC bypass.

0:15Destroys backups and event logs.

0:17Encrypts files.

0:19Spreads laterally through Group Policy.

0:23Attributed to LockBit. Confidence: high.

0:2812 indicators to hunt: 1 SHA-256 hash, 1 MD5 hash and 4 file names, and more.

0:3722 ATT&CK techniques, from execution to impact.

0:424 steps now: Hunt for Restore-My-Files.txt, .lockbit files and LockBit_Ransomware.hta on endpoints.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.