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Resubmissions

05/02/2025, 07:19

250205-h5lwkaxndj 10

07/10/2022, 19:32

221007-x8zddsdeap 10

01/10/2022, 23:37

221001-3mgjcadden 10

General

  • Target

    c879c4891a1eba5c4f3a1bf38e3ed8d530ce67721cab3b26547ff50190b55ede

  • Size

    658KB

  • Sample

    221001-3mgjcadden

  • MD5

    01f80684f9ebae1fc31a67e9fc6b4eb8

  • SHA1

    cd0a5f3d1b66fe80c07a99815c9fb15605c8198c

  • SHA256

    c879c4891a1eba5c4f3a1bf38e3ed8d530ce67721cab3b26547ff50190b55ede

  • SHA512

    c68b087676e11e210aceaabbefa18122d109b3c383ee25a635a327c6d477a9d73637ab49093a02b1756d65291a105601130196f8dbec832940cf0103bb28a721

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hS:KZ1xuVVjfFoynPaVBUR8f+kN10EB8

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

idkwhat1235.no-ip.biz:6000

Mutex

DC_MUTEX-8JHYGAC

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    2bi6GSkz4SLb

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      c879c4891a1eba5c4f3a1bf38e3ed8d530ce67721cab3b26547ff50190b55ede

    • Size

      658KB

    • MD5

      01f80684f9ebae1fc31a67e9fc6b4eb8

    • SHA1

      cd0a5f3d1b66fe80c07a99815c9fb15605c8198c

    • SHA256

      c879c4891a1eba5c4f3a1bf38e3ed8d530ce67721cab3b26547ff50190b55ede

    • SHA512

      c68b087676e11e210aceaabbefa18122d109b3c383ee25a635a327c6d477a9d73637ab49093a02b1756d65291a105601130196f8dbec832940cf0103bb28a721

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hS:KZ1xuVVjfFoynPaVBUR8f+kN10EB8

    • 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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • 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

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks