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General

  • Target

    a20f3a7d747f7b921b7f61cddd4e02e8_JaffaCakes118

  • Size

    253KB

  • Sample

    240612-yjpy4a1glq

  • MD5

    a20f3a7d747f7b921b7f61cddd4e02e8

  • SHA1

    7a63906dc0e006b7c6ada08c2cab329ec37f6010

  • SHA256

    9d3877131ba099e0280613d5014d115ac85cd5200cc58818433379f7371d257e

  • SHA512

    06e051790c648a0287385997bfbe9d9006cd052f51154e688d0dcad299be9db0d83f5c90cf146a22c19a70704d55844d863b9b46e03352481734f2c30669c8f0

  • SSDEEP

    6144:5D7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZQqa:5l8E4w5huat7UovONzbXwUl

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

richiflash.ddns.net:1604

richiflash.ddns.net:27015

Mutex

DC_MUTEX-92ZQAPJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    WFcYVEvnPTaG

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      a20f3a7d747f7b921b7f61cddd4e02e8_JaffaCakes118

    • Size

      253KB

    • MD5

      a20f3a7d747f7b921b7f61cddd4e02e8

    • SHA1

      7a63906dc0e006b7c6ada08c2cab329ec37f6010

    • SHA256

      9d3877131ba099e0280613d5014d115ac85cd5200cc58818433379f7371d257e

    • SHA512

      06e051790c648a0287385997bfbe9d9006cd052f51154e688d0dcad299be9db0d83f5c90cf146a22c19a70704d55844d863b9b46e03352481734f2c30669c8f0

    • SSDEEP

      6144:5D7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZQqa:5l8E4w5huat7UovONzbXwUl

    • 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

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks