Overview

overview

10

Static

static

10

ShadowClient.exe

windows10-2004-x64

10

ShadowClient.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    ShadowClient.exe
  • Size 2.1MB
  • Sample260330-ar1tkae12n
  • SHA256 240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
shadowquasar

Malware Config

Extracted

Family

  • quasar

Version

  • 2.6.4.0

Botnet

  • Shadow

C2

  • 151.245.112.70:8990

Mutex

  • 4c7e33e6-3f73-4b4c-a411-89fe63cdfa1e

Attributes
  • encryption_key

    97DC71A09A26EAF63C56B6FF2BA582AA3A994D6F

  • install_name

    $77Client.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Shadow 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

  • ShadowClient.exe
    .exe 2.1MB

ShadowClient.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f
  • MD5 SHA1 SHA512 SSDEEP TLSH
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
2184958
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA 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_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE
PDB paths