General

  • Target
    dd8c70113c9c68b1eaafe290014e1037.exe
  • Size 38KB
  • Sample220131-pgmarahbbq
  • SHA256 42e5b76705daee37d79456402795f0353bcd7eecbdcecfa863a5179dafe3c967
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • quasar

Version
  • 1.3.0.0

Botnet
  • remote2

C2
  • thomasfunte.zapto.org:64779

  • yncesucesss.chickenkiller.com:64779

Mutex
  • QSR_MUTEX_5FdAa2wmL7UGj6r2Dg

Attributes
  • encryption_key

    cTW0njX7Q1AP21O2l7Fd

  • install_name

    Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    Windows

Targets

    • Target
      dd8c70113c9c68b1eaafe290014e1037.exe
    • Size 38KB
    • SHA256 42e5b76705daee37d79456402795f0353bcd7eecbdcecfa863a5179dafe3c967
    • MD5 SHA1 SHA512
    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Sets service image path in registry

    • Checks computer location settings

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

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks