General

  • Target
    https://github.com/quasar/Quasar/releases/download/v1.3.0.0/Quasar.v1.3.0.0.zip
  • Sample240318-y61dcaaa6y

Malware Config

Extracted

Family
  • quasar

Version
  • 1.3.0.0

Botnet
  • Office04

C2
  • 10.127.0.68:4782

Mutex
  • QSR_MUTEX_LwVoHMKE7t9Emg0Gky

Attributes
  • encryption_key

    eueTLLrDTY6fH7PlDcmf

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      https://github.com/quasar/Quasar/releases/download/v1.3.0.0/Quasar.v1.3.0.0.zip
    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • 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