Overview

overview

10

Static

static

10

3c3b47e05f...a7.exe

windows7-x64

10

3c3b47e05f...a7.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    3c3b47e05f6960d1fdf233949ba2881dd32341ea84240ce3e9b59f0d29ec9fa7
  • Size 348KB
  • Sample241130-pcltestlbs
  • SHA256 3c3b47e05f6960d1fdf233949ba2881dd32341ea84240ce3e9b59f0d29ec9fa7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • Office04

C2

  • 192.168.0.100:4782

Mutex

  • QSR_MUTEX_hesMVzHRGDZjvsZhI7

Attributes
  • encryption_key

    F2l1q8bKCz0sFJakXt5c

  • install_name

    vapev4.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows defender application

  • subdirectory

    niger

Targets

    • Target
      3c3b47e05f6960d1fdf233949ba2881dd32341ea84240ce3e9b59f0d29ec9fa7
    • Size 348KB
    • SHA256 3c3b47e05f6960d1fdf233949ba2881dd32341ea84240ce3e9b59f0d29ec9fa7
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks