General

  • Target

    GameHackBuild(1).exe

  • Size

    9.0MB

  • Sample

    241107-1r69fsyhlm

  • MD5

    8e11d095b7c613ca3ef9c31f4221d45e

  • SHA1

    f0a59086724a33139528f40a8fcae4cfb9e73d68

  • SHA256

    e955d22f7b9ab797366ccbdfb14eba049d69965446b263d31a5834157055ea70

  • SHA512

    94b6e5b0291ad727aebfc42d48b160f0ef9377259d7bb0d7e59ca092454744a035ac7d23cb84e2d6e02857e4040fbc5eed148abb81f7492990498384f7266351

  • SSDEEP

    196608:uek5oFaEPX2GgYCCUDQ4yA8/vWOCFidWo+QOovFFoJXz0Bt99OGvFLuyNjA9UCN:Rk5/EP2Gac4yHndWo+bodFgXz29OGNpU

Malware Config

Extracted

Family

orcus

Botnet

GameHack

C2

31.44.184.52:25350

Mutex

sudo_06kkh814g4vz7sfklrh1emcow75dz383

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\Windows\Defender\MpDefenderCoreProtion.exe

  • reconnect_delay

    10000

  • registry_keyname

    Sudik

  • taskscheduler_taskname

    sudik

  • watchdog_path

    AppData\aga.exe

Targets

    • Target

      GameHackBuild(1).exe

    • Size

      9.0MB

    • MD5

      8e11d095b7c613ca3ef9c31f4221d45e

    • SHA1

      f0a59086724a33139528f40a8fcae4cfb9e73d68

    • SHA256

      e955d22f7b9ab797366ccbdfb14eba049d69965446b263d31a5834157055ea70

    • SHA512

      94b6e5b0291ad727aebfc42d48b160f0ef9377259d7bb0d7e59ca092454744a035ac7d23cb84e2d6e02857e4040fbc5eed148abb81f7492990498384f7266351

    • SSDEEP

      196608:uek5oFaEPX2GgYCCUDQ4yA8/vWOCFidWo+QOovFFoJXz0Bt99OGvFLuyNjA9UCN:Rk5/EP2Gac4yHndWo+bodFgXz29OGNpU

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Modifies WinLogon for persistence

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcus family

    • Orcus main payload

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

    • Orcurs Rat Executable

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks