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General

  • Target

    JaffaCakes118_81d853f08d5bb336af8e434a637dcf8a

  • Size

    776KB

  • Sample

    250320-hzvlhswzay

  • MD5

    81d853f08d5bb336af8e434a637dcf8a

  • SHA1

    c24c5107631a83a67af2f9aa859a69c88877c0ed

  • SHA256

    9643c55782c11cf35820f1da821e79a6bf3a397dfcf49d650e07b434df1cd09c

  • SHA512

    b68139303485b44a22a3589d456dcde42323713d92120fb67299f11498bc249d58e86c26a238272f59504f6a9d261322e1dbe95df042d785c1fe0f3dd193698b

  • SSDEEP

    24576:sXQbZFH5ZxvC/Pf+OxTYozDlTmoXEfxAZv:sXQNfK3fm2DlSQ3

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_81d853f08d5bb336af8e434a637dcf8a

    • Size

      776KB

    • MD5

      81d853f08d5bb336af8e434a637dcf8a

    • SHA1

      c24c5107631a83a67af2f9aa859a69c88877c0ed

    • SHA256

      9643c55782c11cf35820f1da821e79a6bf3a397dfcf49d650e07b434df1cd09c

    • SHA512

      b68139303485b44a22a3589d456dcde42323713d92120fb67299f11498bc249d58e86c26a238272f59504f6a9d261322e1dbe95df042d785c1fe0f3dd193698b

    • SSDEEP

      24576:sXQbZFH5ZxvC/Pf+OxTYozDlTmoXEfxAZv:sXQNfK3fm2DlSQ3

    • 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

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks