General

  • Target

    GameHackBuild(1).exe

  • Size

    9.0MB

  • Sample

    241107-1sx26sylfs

  • MD5

    35a0fbec2fc6d2a550a569719406d58d

  • SHA1

    bc73001a0600313803d3594dc51d3d0813dbdec1

  • SHA256

    221ec8caee4804b4c9e4ced2e1f03be897bc1993d7898b2bdc00f90a093eb87d

  • SHA512

    2f4d71eaa62dded749f82660fd7ee90da422048459d63faa79f518c3c10b7343c482e95cf81cea6bfb4710ef07f53d2d7f835dd3f191029da38da2e9a7beb00f

  • SSDEEP

    196608:uGk5oFaEPX2GgYCCUDQ4yA8/vWOCFidWo+QOovFFoJXz0Bt99OGvFLuyAjA9UCo:9k5/EP2Gac4yHndWo+bodFgXz29OGNps

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

      35a0fbec2fc6d2a550a569719406d58d

    • SHA1

      bc73001a0600313803d3594dc51d3d0813dbdec1

    • SHA256

      221ec8caee4804b4c9e4ced2e1f03be897bc1993d7898b2bdc00f90a093eb87d

    • SHA512

      2f4d71eaa62dded749f82660fd7ee90da422048459d63faa79f518c3c10b7343c482e95cf81cea6bfb4710ef07f53d2d7f835dd3f191029da38da2e9a7beb00f

    • SSDEEP

      196608:uGk5oFaEPX2GgYCCUDQ4yA8/vWOCFidWo+QOovFFoJXz0Bt99OGvFLuyAjA9UCo:9k5/EP2Gac4yHndWo+bodFgXz29OGNps

    • 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

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks