Overview

overview

10

Static

static

10

4ef1927705...f6.exe

windows7-x64

10

4ef1927705...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    4ef1927705d28faf8456c200397d0af6
  • Size 792KB
  • Sample240109-xjs53shfa4
  • SHA256 cd5a8de963a29d07bb003a8d03fa7ba38e5004641fe8138885c967db46bef0fc
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
office04quasar

Malware Config

Extracted

Family

  • quasar

Version

  • 2.1.0.0

Botnet

  • Office04

C2

  • 192.168.1.154:4782

Mutex

  • VNM_MUTEX_ph9lkMeWS6xgznetvP

Attributes
  • encryption_key

    2ABr09PX2FCCobHek8sv

  • 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
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • 4ef1927705d28faf8456c200397d0af6
    .exe 792KB

4ef1927705d28faf8456c200397d0af6

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 cd5a8de963a29d07bb003a8d03fa7ba38e5004641fe8138885c967db46bef0fc
  • MD5 SHA1 SHA512 SSDEEP
windows:4windowsx86arch:x86

  • 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 payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
552046
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths