General

  • Target

    https://github.com/sadamoe/vbucks-free

  • Sample

    240522-cxffxshe8z

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

OWNED

C2

192.168.20.4:1604

Mutex

QSR_MUTEX_EObrfPyPOYO1BOZi4k

Attributes
  • encryption_key

    rj4BgyoeMS4fUVDjZwh04ST7ogOJAQEF

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    auto_updater

  • subdirectory

    SubDir

Targets

    • Target

      https://github.com/sadamoe/vbucks-free

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks