General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample260720-22be7sgw2n
  • SHA256 f4244db1561aa3426777514a2cdcb7b16dff9b0f5986ebc6699c8e3dfdc1dc2b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • EclipseX

C2
  • 192.168.1.133:4785

Mutex
  • 8ff75d12-2a62-4daf-91dd-95f798377530

Attributes
  • encryption_key

    68BC53829FF8EB1B6A16183484DC84F6265112BE

  • install_name

    Microsoft_SQL_Server.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Microsoft_keyboard

  • reconnect_delay

    2984

  • startup_key

    Microsoft startup

  • subdirectory

    Microsoft

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 f4244db1561aa3426777514a2cdcb7b16dff9b0f5986ebc6699c8e3dfdc1dc2b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks