Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 01:04

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260819-be925stfra
  • SHA256 8011c1edc006d639aa27086edebbea192cf3fcbbc41fcf979bf54d8c4331b989
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • peterbersch.nl/vi-vn/:6606

  • peterbersch.nl/vi-vn/:7707

  • peterbersch.nl/vi-vn/:8808

  • peterbersch.nl/vi-vn/:443

  • peterbersch.nl/vi-vn/:80

  • peterbersch.nl/vi-vn/:8844

  • peterbersch.nl/vi-vn/:22

  • peterbersch.nl/vi-vn/:53

  • arsmuse.com.mx/vi-vn/:6606

  • arsmuse.com.mx/vi-vn/:7707

  • arsmuse.com.mx/vi-vn/:8808

  • arsmuse.com.mx/vi-vn/:443

  • arsmuse.com.mx/vi-vn/:80

  • arsmuse.com.mx/vi-vn/:8844

  • arsmuse.com.mx/vi-vn/:22

  • arsmuse.com.mx/vi-vn/:53

Mutex

  • 4UWs9OPJ8vyg

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • 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.

    discovery

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:4980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/4980-0-0x0000000074B82000-0x0000000074B83000-memory.dmp
        Download

        memory/4980-1-0x0000000000C20000-0x0000000000C32000-memory.dmp
        Download

        memory/4980-2-0x0000000074B70000-0x000000007532C000-memory.dmp
        Download

        memory/4980-3-0x0000000074B82000-0x0000000074B83000-memory.dmp
        Download

        memory/4980-4-0x0000000074B70000-0x000000007532C000-memory.dmp
        Download