General

  • Target

    f9125c9bee0155403e07299ead7217e5_JaffaCakes118

  • Size

    809KB

  • Sample

    241217-19wknszpgz

  • MD5

    f9125c9bee0155403e07299ead7217e5

  • SHA1

    d4f4370b64b6447186554a0aa9b1a28db0793794

  • SHA256

    e9802f475acad40c110201c262e83ad8fd737780cfe4bd235553eaa2552d442f

  • SHA512

    fd0f6cbb759c9762bf8a5caaa5ee4032f029a064339d8e0c5bc4aed1a2b6256ea45e93e14bd7eab0a4cf93fe712ce377d9726470d78243fdb1e72b7953175320

  • SSDEEP

    12288:kcocMkCvNda/bDPhUrCPxku3J8IMB5w3Rin3/iZl7DPosp5QjcfrP4+/AIC:kcozL0lUE1isig7hocj4DIC

Malware Config

Targets

    • Target

      f9125c9bee0155403e07299ead7217e5_JaffaCakes118

    • Size

      809KB

    • MD5

      f9125c9bee0155403e07299ead7217e5

    • SHA1

      d4f4370b64b6447186554a0aa9b1a28db0793794

    • SHA256

      e9802f475acad40c110201c262e83ad8fd737780cfe4bd235553eaa2552d442f

    • SHA512

      fd0f6cbb759c9762bf8a5caaa5ee4032f029a064339d8e0c5bc4aed1a2b6256ea45e93e14bd7eab0a4cf93fe712ce377d9726470d78243fdb1e72b7953175320

    • SSDEEP

      12288:kcocMkCvNda/bDPhUrCPxku3J8IMB5w3Rin3/iZl7DPosp5QjcfrP4+/AIC:kcozL0lUE1isig7hocj4DIC

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks