General

  • Target

    test.exe

  • Size

    658KB

  • Sample

    240801-vqq8ys1ajp

  • MD5

    ec24d90ed3c9befd6c389eef8a7b30d0

  • SHA1

    fd5ced24ad422b5f3d63b90b99384b7b7dbb4792

  • SHA256

    655eea77b66bbaa7012c3f84d6d6e81c4348146ea0736db0b329a2a9c1a9ada6

  • SHA512

    0652aabb75f7cf146d58e22a2dc0d6c8db0ef360776edf52282dad7389c3efb908c39e14f2d4ece4480e481f5cc19123fac5479f0e3e587df9471ec0214892dd

  • SSDEEP

    12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hq:qZ1xuVVjfFoynPaVBUR8f+kN10EBk

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

insurance-helmet.gl.at.ply.gg:31388

Mutex

DC_MUTEX-LP7CXKP

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    AmrqVD7MwH6g

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      test.exe

    • Size

      658KB

    • MD5

      ec24d90ed3c9befd6c389eef8a7b30d0

    • SHA1

      fd5ced24ad422b5f3d63b90b99384b7b7dbb4792

    • SHA256

      655eea77b66bbaa7012c3f84d6d6e81c4348146ea0736db0b329a2a9c1a9ada6

    • SHA512

      0652aabb75f7cf146d58e22a2dc0d6c8db0ef360776edf52282dad7389c3efb908c39e14f2d4ece4480e481f5cc19123fac5479f0e3e587df9471ec0214892dd

    • SSDEEP

      12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hq:qZ1xuVVjfFoynPaVBUR8f+kN10EBk

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • 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

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks