Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-02-2025 20:03

General

  • Target

    ShadowClient.exe

  • Size

    3.1MB

  • MD5

    d2a2e1b91ce18aa7f534d67080b844c8

  • SHA1

    5cb8978ca57524966a0e9d029f6b3fb420834d37

  • SHA256

    be60a80cb4e153906cc2c4e2617ffc4d2122848cda99116a7f85d1269e06d659

  • SHA512

    8565d87e9365b1a2566661bec007bf524ac9c6033611bf46e6e415459500b375aacd9cd91999ba734b0110082e4e3d6339cf120fc6153a154ba22d5718f17ddf

  • SSDEEP

    49152:71wdf2pNa6D+dPjlLOlg6yQiIHRLdocbRTfoGdK2ETHHB72eh2NT:71of2pNa6D+dPjlLOlZyQiIHRRoy

Malware Config

Extracted

Family

quasar

Version

1.0.0

Botnet

Office04

C2

physical-assessing.gl.at.ply.gg:38187

Mutex

504956fd-d532-425c-9e82-cbe7902cf377

Attributes
  • encryption_key

    B8B9B325A830EF659FA4EC42DB8AA956BB46428A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ShadowClient.exe
    "C:\Users\Admin\AppData\Local\Temp\ShadowClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4548

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4548-0-0x00007FFB124D3000-0x00007FFB124D5000-memory.dmp

    Filesize

    8KB

  • memory/4548-1-0x0000000000E00000-0x0000000001124000-memory.dmp

    Filesize

    3.1MB

  • memory/4548-2-0x00007FFB124D0000-0x00007FFB12F91000-memory.dmp

    Filesize

    10.8MB

  • memory/4548-3-0x000000001BF10000-0x000000001BF60000-memory.dmp

    Filesize

    320KB

  • memory/4548-4-0x000000001C330000-0x000000001C3E2000-memory.dmp

    Filesize

    712KB

  • memory/4548-5-0x00007FFB124D3000-0x00007FFB124D5000-memory.dmp

    Filesize

    8KB

  • memory/4548-6-0x00007FFB124D0000-0x00007FFB12F91000-memory.dmp

    Filesize

    10.8MB