Overview

overview

10

Static

static

3

SETUP_1.exe

windows10-2004-x64

10

SETUP_1.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    SETUP_1.EXE
  • Size 9.0MB
  • Sample251013-tfleaagj4s
  • SHA256 4052df4d6e7b8c82a36231ac7eaac8e6072c8da7ca989e831c226e17ae9a4517
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarsetupdiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • setup

C2

  • azharabdo109.ddns.net:61293

Mutex

  • QSR_MUTEX_eyJ2qGfzmq4bwaIxyh

Attributes
  • encryption_key

    dbLHm7Cgu3oZDoyPUWrl

  • install_name

    setup.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    setup

Targets

    • Target
      SETUP_1.EXE
    • Size 9.0MB
    • SHA256 4052df4d6e7b8c82a36231ac7eaac8e6072c8da7ca989e831c226e17ae9a4517
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    setupdiscoveryexecutionquasarpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Loads dropped DLL

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks