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MedusaLocker Capetown Leak-Site Listing: Detection & IOCs

MedusaLocker lists Capetown as a victim, identity unverified. Includes 9 detection rules, 29 IOCs and 16 ATT&CK techniques, with a free Splunk SPL rule.

Read the full threat intel for MedusaLocker ransomware leak-site listing: victim 'Capetown'… →

Chapters

  1. 0:00The hookA leak-site listing, not a confirmed breach.
  2. 0:04The storyMedusaLocker listed a victim named Capetown.
  3. 0:10Attack pathActors mainly enter via vulnerable RDP.
  4. 0:26AttributionAttributed to MedusaLocker.
  5. 0:30Indicators of compromise15 indicators to hunt: 1 IP, 3 domains and 8 SHA-256 hashes, and more.
  6. 0:39MITRE ATT&CK techniques16 ATT&CK techniques, from initial access to impact.
  7. 0:44Remediation5 steps now: Do not treat the Capetown listing as a confirmed breach.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00A leak-site listing, not a confirmed breach.

0:05MedusaLocker listed a victim named Capetown.

0:08Its identity is unverified.

0:11Actors mainly enter via vulnerable RDP.

0:14Then a PowerShell script spreads it.

0:16Scheduled task runs it every 15 minutes.

0:19Backups and shadow copies deleted.

0:22Capetown listed; verify first.

0:26Attributed to MedusaLocker. Confidence: medium.

0:3115 indicators to hunt: 1 IP, 3 domains and 8 SHA-256 hashes, and more.

0:3916 ATT&CK techniques, from initial access to impact.

0:445 steps now: Do not treat the Capetown listing as a confirmed breach.

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

0:56Threadlinqs. The unified security engineering platform.