General

  • Target

    https://github.com/SparkScratch-P/batch-virus/blob/main/viruses/virus27.bat

  • Sample

    240222-yqhhlaee7v

Malware Config

Extracted

Family

crimsonrat

C2

185.136.161.124

Targets

    • Target

      https://github.com/SparkScratch-P/batch-virus/blob/main/viruses/virus27.bat

    • CrimsonRAT main payload

    • CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    • Modifies WinLogon for persistence

    • UAC bypass

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks