General

  • Target

    http://google.com

  • Sample

    241127-kc48jssnaj

Malware Config

Extracted

Family

crimsonrat

C2

185.136.161.124

Targets

    • CrimsonRAT main payload

    • CrimsonRat

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

    • Crimsonrat family

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Revengerat family

    • ReZer0 packer

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

    • RevengeRat Executable

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks