Overview

overview

10

Static

static

10

WINDOWS SE...XE.exe

windows7-x64

10

WINDOWS SE...XE.exe

windows10-2004-x64

Sharing

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General

  • Target
    WINDOWS SECURITY.EXE.exe
  • Size 534KB
  • Sample240613-b89cpszenc
  • SHA256 d53df5b6b080ba24773ca16c7a8b70eeb783ead278712e0c5b44abc84805e60e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarvenomratwindows securityratrootkitspywarestealertrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 2.1.0.0

Botnet

  • windows security

C2

  • quasarrat220-24487.portmap.io:24487

Mutex

  • VNM_MUTEX_mOPqShedZxvAqgLrWL

Attributes
  • encryption_key

    7mvA2TfKjvMIY0zZeMKF

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      WINDOWS SECURITY.EXE.exe
    • Size 534KB
    • SHA256 d53df5b6b080ba24773ca16c7a8b70eeb783ead278712e0c5b44abc84805e60e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarvenomratwindows securityratrootkitspywarestealertrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • VenomRAT

      VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

      ratrootkitstealervenomrat

    • 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