General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample241130-3dd2vsymfw
  • SHA256 74eca969f95e873b2af9dcdedd0783e27d469aad3baf1af7b85ad751b34485a3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • sites-talent.gl.at.ply.gg:12915:5050

Mutex
  • 81bbd126-003c-423d-b244-5de29a86c135

Attributes
  • encryption_key

    F1428A77E91FBF1B7AEC1D3D94E91E692E2ADBFF

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    thisisarat

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 74eca969f95e873b2af9dcdedd0783e27d469aad3baf1af7b85ad751b34485a3
    • MD5 SHA1 SHA512 SSDEEP
    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks