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Analysis

  • max time kernel
    134s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2025, 13:17

General

  • Target

    AsyncClient.exe

  • Size

    47KB

  • MD5

    f9253eafbd6718a759325e873cf8f6b8

  • SHA1

    7cdd0ccbf4940d255952996a444c5d4fd928eb1a

  • SHA256

    8f0f590c8a0d635016a9c1464d099c8eda20eed012fe4f6ee6bb117d92fa2c7b

  • SHA512

    b47d2449fa76f62128d5a918db882e0de3c46f4fad2a3302175d778519b32bb1871d41a249b169bd26215ef4330a67da85ebfe27b68be11337d7adb736306cc6

  • SSDEEP

    768:NuI1tT/w70kWUquzumo2qzhcWItdiBWmPI86Fr/0bJtzKQFmGcQ6BwKmayBDZYx:NuI1tT/kW2acWrBY8YcbJtzK275VdYx

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Steam

C2

77.100.63.251:5631

Mutex

P1D9ySnUAXPA

Attributes
  • delay

    3

  • install

    false

  • install_file

    Steam.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1916-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/1916-1-0x0000000000880000-0x0000000000892000-memory.dmp

    Filesize

    72KB

  • memory/1916-2-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/1916-3-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/1916-4-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB