General

  • Target

    e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe

  • Size

    756KB

  • Sample

    241210-kxcn2awrar

  • MD5

    476f1f46a6e34363a0fc2718effdd319

  • SHA1

    eefa7c22ae4dc62ebd0315e808bbb2c6a0baaaa6

  • SHA256

    e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa

  • SHA512

    c186736a0160683abd3fcaa7203df7031541795b6f39a6166d8e2f098f3c4e0545c5ffb63084148029e81557e369c6c421067dbb72cf448aa7d80df5c7e549df

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hBbHp:eZ1xuVVjfFoynPaVBUR8f+kN10EBHzp

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

alimuhsin1996.no-ip.org:1604

Mutex

DC_MUTEX-HX4WBAX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    47335WtAtC2L

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa.exe

    • Size

      756KB

    • MD5

      476f1f46a6e34363a0fc2718effdd319

    • SHA1

      eefa7c22ae4dc62ebd0315e808bbb2c6a0baaaa6

    • SHA256

      e753614ca9244a832a0bdb369fbc1d64324600711b70e8277f655abd43f3a7aa

    • SHA512

      c186736a0160683abd3fcaa7203df7031541795b6f39a6166d8e2f098f3c4e0545c5ffb63084148029e81557e369c6c421067dbb72cf448aa7d80df5c7e549df

    • SSDEEP

      12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hBbHp:eZ1xuVVjfFoynPaVBUR8f+kN10EBHzp

    • Darkcomet

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

    • Darkcomet family

    • 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

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks