Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 03:38

General

  • Target

    8afaef0a36628f844cafde49e444269e880aef447b5edac70b6cbfd9120c2d5f.exe

  • Size

    3.1MB

  • MD5

    92f1e441ff6456ed112239c9e356e382

  • SHA1

    05a7b2def56a05cc3750aa8848b198eb08f51edc

  • SHA256

    8afaef0a36628f844cafde49e444269e880aef447b5edac70b6cbfd9120c2d5f

  • SHA512

    fe81cf37a0b140106d8e861fd257498a28999f69cde5ee6cb6d8bbc63025666d8a6db74a87dcf7f933d0e719594d00e08a014f9d27381055f21c500e73d3137c

  • SSDEEP

    49152:bvnI22SsaNYfdPBldt698dBcjH+bRJ6ZbR3LoGdG7bTHHB72eh2NT:bvI22SsaNYfdPBldt6+dBcjH+bRJ6b2

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

69.232.48.67:4782

Mutex

4ec0a816-0212-473a-be4d-984e4b0e9af0

Attributes
  • encryption_key

    06D1C1AE802ADF60C767026668B738AEF109004C

  • 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\8afaef0a36628f844cafde49e444269e880aef447b5edac70b6cbfd9120c2d5f.exe
    "C:\Users\Admin\AppData\Local\Temp\8afaef0a36628f844cafde49e444269e880aef447b5edac70b6cbfd9120c2d5f.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1116

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1116-0-0x00007FFDF20F3000-0x00007FFDF20F5000-memory.dmp

    Filesize

    8KB

  • memory/1116-1-0x0000000000130000-0x0000000000454000-memory.dmp

    Filesize

    3.1MB

  • memory/1116-2-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp

    Filesize

    10.8MB

  • memory/1116-3-0x000000001B020000-0x000000001B070000-memory.dmp

    Filesize

    320KB

  • memory/1116-4-0x000000001CEB0000-0x000000001CF62000-memory.dmp

    Filesize

    712KB

  • memory/1116-5-0x00007FFDF20F3000-0x00007FFDF20F5000-memory.dmp

    Filesize

    8KB

  • memory/1116-6-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp

    Filesize

    10.8MB