Threadlinqs IntelligenceStart free

Threat video1:00

Vexy Ransomware Upper Web Brazil Leak: Detection & IOCs

Vexy Ransomware's leak-site claim against Upper Web, a Brazilian agency, is unverified. Covered by 9 detection rules, 13 IOCs and a free Splunk SPL rule.

Read the full threat intel for Vexy Ransomware Upper Web Brazil Leak: Detection & IOCs →

Chapters

  1. 0:00The hookVexy claims Upper Web, a Brazilian agency.
  2. 0:05The storyPosted on a leak site in November.
  3. 0:11Attack pathPer the report, access was likely remote.
  4. 0:25AttributionAttributed to Vexy Ransomware.
  5. 0:30Indicators of compromise5 indicators to hunt: 2 IPs and 3 domains.
  6. 0:37MITRE ATT&CK techniques6 ATT&CK techniques, from execution to impact.
  7. 0:42Remediation4 steps now: Verify the Upper Web listing with the victim and preserve.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Vexy claims Upper Web, a Brazilian agency.

0:05Posted on a leak site in November.

0:07It is not independently verified.

0:12Per the report, access was likely remote.

0:14Data was staged in archives.

0:16Then the victim was posted on the leak blog.

0:19Then samples are released in stages.

0:26Attributed to Vexy Ransomware. Confidence: low.

0:315 indicators to hunt: 2 IPs and 3 domains.

0:376 ATT&CK techniques, from execution to impact.

0:424 steps now: Verify the Upper Web listing with the victim and preserve.

0:509 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.