General

  • Target

    39934d5723ae329eb66a1f2d75339a5d6a8d570d37d0d10a67dad339b038ebb8

  • Size

    658KB

  • Sample

    221123-s6hweadb67

  • MD5

    72eb44e5e696476d5dcea66ed2468bdb

  • SHA1

    a9ec20e34d055c1672b34070a3065635d6493cf9

  • SHA256

    39934d5723ae329eb66a1f2d75339a5d6a8d570d37d0d10a67dad339b038ebb8

  • SHA512

    1827c286ba34a19dcd039076c2977c3846d6fc9db128fe75abefcc3b841f19adbd89ec44fbb5a2ed57d04cf1632b3daaecab04c287c553e05355b3687e0e36c0

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hg:KZ1xuVVjfFoynPaVBUR8f+kN10EBm

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

raidbomber.no-ip.org:1700

Mutex

DC_MUTEX-EG9SQM8

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    3y3wMVwFYYqF

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      39934d5723ae329eb66a1f2d75339a5d6a8d570d37d0d10a67dad339b038ebb8

    • Size

      658KB

    • MD5

      72eb44e5e696476d5dcea66ed2468bdb

    • SHA1

      a9ec20e34d055c1672b34070a3065635d6493cf9

    • SHA256

      39934d5723ae329eb66a1f2d75339a5d6a8d570d37d0d10a67dad339b038ebb8

    • SHA512

      1827c286ba34a19dcd039076c2977c3846d6fc9db128fe75abefcc3b841f19adbd89ec44fbb5a2ed57d04cf1632b3daaecab04c287c553e05355b3687e0e36c0

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hg:KZ1xuVVjfFoynPaVBUR8f+kN10EBm

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks