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General

  • Target

    59235141af41313f250d39a900b34389e30acba1bca01465859e0bd7dc5daf23

  • Size

    659KB

  • Sample

    221126-chrkmsdg26

  • MD5

    4e91146d12250f89a4392770d4e89313

  • SHA1

    b24be6a2eccfb8c6f7955cd5f6929d44ebcdd13e

  • SHA256

    59235141af41313f250d39a900b34389e30acba1bca01465859e0bd7dc5daf23

  • SHA512

    feb1d1055e14c702c61c41bdcee1c76dcef637abe242a46b56b1547f8a5e2a34225f2562379c785ed040c032d3891e5a003271020d958ed1215b7d00786d1d50

  • SSDEEP

    12288:G9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hw:iZ1xuVVjfFoynPaVBUR8f+kN10EBm

Malware Config

Extracted

Family

darkcomet

Botnet

Lena

C2

94.180.46.70:1604

Mutex

DC_MUTEX-UA0ZG0W

Attributes
  • InstallPath

    windlogon.exe

  • gencode

    wZvu2vV0X3gE

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    windlogon

Targets

    • Target

      59235141af41313f250d39a900b34389e30acba1bca01465859e0bd7dc5daf23

    • Size

      659KB

    • MD5

      4e91146d12250f89a4392770d4e89313

    • SHA1

      b24be6a2eccfb8c6f7955cd5f6929d44ebcdd13e

    • SHA256

      59235141af41313f250d39a900b34389e30acba1bca01465859e0bd7dc5daf23

    • SHA512

      feb1d1055e14c702c61c41bdcee1c76dcef637abe242a46b56b1547f8a5e2a34225f2562379c785ed040c032d3891e5a003271020d958ed1215b7d00786d1d50

    • SSDEEP

      12288:G9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hw:iZ1xuVVjfFoynPaVBUR8f+kN10EBm

    • 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

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks