General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240630-vaevzstgrr
  • SHA256 0a1af9ad6684d877f7c58b00bec90875ccfd709f547fe396a87a9c26e881977b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 86.137.1.84:4782

Mutex
  • adc301f6-35ca-4636-b286-ad2aef63f877

Attributes
  • encryption_key

    54B7AB1A151267275EF24D335CE7E3B6ABDDC53E

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Launcher Task Manager

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 0a1af9ad6684d877f7c58b00bec90875ccfd709f547fe396a87a9c26e881977b
    • MD5 SHA1 SHA512 SSDEEP
    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks