General

  • Target
    https://github.com/Cryakl/Ultimate-RAT-Collection/tree/main/Quasar/Mods/Fake%20SeroXen
  • Sample260709-mjvc2agx2q

Malware Config

Extracted

Family
  • quasar

Attributes
  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • reconnect_delay

    5000

Extracted

Family
  • quasar

Version
  • 3.1.5

Botnet
  • Office04

C2
  • 127.0.0.1:4782

Mutex
  • $Sxr-Cur8SneuMxQ31UQgno

Attributes
  • encryption_key

    bEkh1uOyJpL8mDXogNOM

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SeroXen Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      https://github.com/Cryakl/Ultimate-RAT-Collection/tree/main/Quasar/Mods/Fake%20SeroXen
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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 v16

Tasks