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General

  • Target

    b35f9aa46491e8f55c615b9a62bd031050d278ec70cc45a7326efd6f9d9739aa

  • Size

    756KB

  • Sample

    221129-rhxtzsfg43

  • MD5

    37141672382ebb732e0af9461252bde5

  • SHA1

    ccd769601b655295b89990c3076557460fbd3a9a

  • SHA256

    b35f9aa46491e8f55c615b9a62bd031050d278ec70cc45a7326efd6f9d9739aa

  • SHA512

    66b6c60014aaf35942a9a88868b04b7d3ed801231c957d18e73f1eb2cf54b9a8f5322cf54395c5b223f52f1cd85f5bfc404e1863222ac7b10c72de3934945e20

  • SSDEEP

    12288:P9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hjsvv0:5Z1xuVVjfFoynPaVBUR8f+kN10EB2vv0

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

217.25.124.180:3460

Mutex

DC_MUTEX-K532PWX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    EWKohsMFvhv8

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      b35f9aa46491e8f55c615b9a62bd031050d278ec70cc45a7326efd6f9d9739aa

    • Size

      756KB

    • MD5

      37141672382ebb732e0af9461252bde5

    • SHA1

      ccd769601b655295b89990c3076557460fbd3a9a

    • SHA256

      b35f9aa46491e8f55c615b9a62bd031050d278ec70cc45a7326efd6f9d9739aa

    • SHA512

      66b6c60014aaf35942a9a88868b04b7d3ed801231c957d18e73f1eb2cf54b9a8f5322cf54395c5b223f52f1cd85f5bfc404e1863222ac7b10c72de3934945e20

    • SSDEEP

      12288:P9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hjsvv0:5Z1xuVVjfFoynPaVBUR8f+kN10EB2vv0

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks