General

  • Target

    JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7

  • Size

    658KB

  • Sample

    250329-yrsd7a1kt3

  • MD5

    96c58abcedcb7648aa4db3c736d69fe7

  • SHA1

    39ebcc3bc26ad3c0f6dae3bad07d4b67bd7ca0dc

  • SHA256

    4f9d477fefef5d8e8915650f97b696760659e2934f9653b955231fae81be7bbb

  • SHA512

    07b1990e7bdb795487dfd56a9d5292d90bedee054ebbdbb64a093e91740ca0b8b7e81589bf3972db4343573786ec8a2df6c6aad1962ac6c8dd66a50841c49461

  • SSDEEP

    12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/hP:+Z1xuVVjfFoynPaVBUR8f+kN1PEBh

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-YXXHLUR

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    0d9w9uDzvpEN

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7

    • Size

      658KB

    • MD5

      96c58abcedcb7648aa4db3c736d69fe7

    • SHA1

      39ebcc3bc26ad3c0f6dae3bad07d4b67bd7ca0dc

    • SHA256

      4f9d477fefef5d8e8915650f97b696760659e2934f9653b955231fae81be7bbb

    • SHA512

      07b1990e7bdb795487dfd56a9d5292d90bedee054ebbdbb64a093e91740ca0b8b7e81589bf3972db4343573786ec8a2df6c6aad1962ac6c8dd66a50841c49461

    • SSDEEP

      12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/hP:+Z1xuVVjfFoynPaVBUR8f+kN1PEBh

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks