General

  • Target

    ae73974ea6a5f73f5eec469ae21cb5b1_JaffaCakes118

  • Size

    757KB

  • Sample

    241129-dfmz4s1lc1

  • MD5

    ae73974ea6a5f73f5eec469ae21cb5b1

  • SHA1

    ab3a9f8c87b7e5b3d767f7ff4f4d9717f8d83028

  • SHA256

    015ec58cb97d14a77b7898ad4e5eace577b09bff6c11f6fcfeb6c69e9fb39da3

  • SHA512

    a52d65ceaeb5114ab93e88ef653c16da66807daf634fc257f03a2681092d1bb2e5859a3fe1abb0ac1da657068baa0c8f8b3f3608fd9aca996d27f92b04dbde4e

  • SSDEEP

    12288:19HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hq:/Z1xuVVjfFoynPaVBUR8f+kN10EBk

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.254.101:21

Mutex

DC_MUTEX-Z73GK6V

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    5NjaRP5UK4R1

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      ae73974ea6a5f73f5eec469ae21cb5b1_JaffaCakes118

    • Size

      757KB

    • MD5

      ae73974ea6a5f73f5eec469ae21cb5b1

    • SHA1

      ab3a9f8c87b7e5b3d767f7ff4f4d9717f8d83028

    • SHA256

      015ec58cb97d14a77b7898ad4e5eace577b09bff6c11f6fcfeb6c69e9fb39da3

    • SHA512

      a52d65ceaeb5114ab93e88ef653c16da66807daf634fc257f03a2681092d1bb2e5859a3fe1abb0ac1da657068baa0c8f8b3f3608fd9aca996d27f92b04dbde4e

    • SSDEEP

      12288:19HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hq:/Z1xuVVjfFoynPaVBUR8f+kN10EBk

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Drops file in Drivers directory

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks