General

  • Target

    WINDOWS SECURITY.EXE.exe

  • Size

    534KB

  • MD5

    9e14775490cee79c73cb45c2f24f7a73

  • SHA1

    ddd6c7485a5e64a66a0a7598777abdafa7a63950

  • SHA256

    d53df5b6b080ba24773ca16c7a8b70eeb783ead278712e0c5b44abc84805e60e

  • SHA512

    1c0aec61a64400bcf18f6f0e5a950c68b7a25492b07290e3793a759f616c1b361ed6472d260d0f379b691567216a1f9e53af53b2dc89711df618a4463c8d0317

  • SSDEEP

    12288:ijxIhDXIsMzz2ze1gejMd3mD88i2i3PdjfAag06:i9+IsM55O3glgPO

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

Signatures

  • Contains code to disable Windows Defender 1 IoCs

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

  • Quasar family
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

Files

  • WINDOWS SECURITY.EXE.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections