Resubmissions

07/01/2025, 22:00

250107-1wz1yazrht7

07/01/2025, 21:58

250107-1vhp9ssnaq7

07/01/2025, 14:57

250107-sbtdnawkb110

General

  • Target
    Innovarteks-setup 1.0.exe
  • Size 143.5MB
  • Sample250107-sbtdnawkb1
  • SHA256 be1e902f9a7d42b9f38f93a96f877f4a206a823f64a6bf00f343d9cd00b981ad
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • crimsonrat

C2
  • 185.136.161.124

Targets

    • Target
      Innovarteks-setup 1.0.exe
    • Size 143.5MB
    • SHA256 be1e902f9a7d42b9f38f93a96f877f4a206a823f64a6bf00f343d9cd00b981ad
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies WinLogon for persistence

    • Modiloader family

    • ModiLoader First Stage

    • ReZer0 packer

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Office macro that triggers on suspicious action

      Office document macro which triggers in special circumstances - often malicious.

    • 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

    • Loads dropped DLL

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks