General

  • Target
    sample
  • Size 66KB
  • Sample241127-trbn8a1kcs
  • SHA256 4ca41a640085e2ca954e641790ed976dfe97e35e68a01c6a6b0bcbf92ec2141a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • crimsonrat

C2
  • 185.136.161.124

Extracted

Family
  • warzonerat

C2
  • 168.61.222.215:5400

Targets

    • Target
      sample
    • Size 66KB
    • SHA256 4ca41a640085e2ca954e641790ed976dfe97e35e68a01c6a6b0bcbf92ec2141a
    • MD5 SHA1 SHA512 SSDEEP
    • CrimsonRAT main payload

    • CrimsonRat

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

    • Crimsonrat family

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Warzonerat family

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Warzone RAT payload

    • Disables Task Manager via registry modification

    • 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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks