Analysis

  • max time kernel
    95s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2025 03:43

General

  • Target

    c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe

  • Size

    3.1MB

  • MD5

    9ed0669c1fe2cddd4eed6bedf9212693

  • SHA1

    63cb8ea01a0938bb77292116b4e5faed5618d19d

  • SHA256

    c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece

  • SHA512

    c25e8c4a143a7a337ac53da2e15c6bb5b682d16ed6c9b6784fa99e7f0246f5c1d930ddba30b99cb58cf9ddaed96ea076756b42489c1971be30754c87d0b3a72c

  • SSDEEP

    49152:OvKI22SsaNYfdPBldt698dBcjH5HRJ6RbR3LoGdNZTHHB72eh2NT:Ovn22SsaNYfdPBldt6+dBcjH5HRJ6z

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

2025

C2

ducksro.DUCKDNS.ORG:5

Mutex

1b9237ca-608d-47fd-ae80-bba1f4ba0322

Attributes
  • encryption_key

    B61B5E36913EE1C537DD4B68B384FA4355C64906

  • 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\c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe
    "C:\Users\Admin\AppData\Local\Temp\c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2828

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2828-0-0x00007FFB7B463000-0x00007FFB7B465000-memory.dmp

    Filesize

    8KB

  • memory/2828-1-0x00000000000F0000-0x0000000000414000-memory.dmp

    Filesize

    3.1MB

  • memory/2828-2-0x00007FFB7B460000-0x00007FFB7BF21000-memory.dmp

    Filesize

    10.8MB

  • memory/2828-3-0x000000001B4A0000-0x000000001B4F0000-memory.dmp

    Filesize

    320KB

  • memory/2828-4-0x000000001B5B0000-0x000000001B662000-memory.dmp

    Filesize

    712KB

  • memory/2828-5-0x0000000000DD0000-0x0000000000DE2000-memory.dmp

    Filesize

    72KB

  • memory/2828-6-0x000000001B570000-0x000000001B5AC000-memory.dmp

    Filesize

    240KB

  • memory/2828-7-0x00007FFB7B463000-0x00007FFB7B465000-memory.dmp

    Filesize

    8KB

  • memory/2828-8-0x00007FFB7B460000-0x00007FFB7BF21000-memory.dmp

    Filesize

    10.8MB