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
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 18:31

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260623-w6e2asft4r
  • SHA256 317b373daafd1b597167ac50667673e4ea99e847458f3dc33390ce0e0b3d0da8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • gamemag.info:6606

  • gamemag.info:7707

  • gamemag.info:8808

  • gamemag.info:443

  • gamemag.info:80

  • gamemag.info:8844

  • gamemag.info:22

  • gamemag.info:53

  • 123b-jp.com:6606

  • 123b-jp.com:7707

  • 123b-jp.com:8808

  • 123b-jp.com:443

  • 123b-jp.com:80

  • 123b-jp.com:8844

  • 123b-jp.com:22

  • 123b-jp.com:53

  • 123b-vn1.com:6606

  • 123b-vn1.com:7707

  • 123b-vn1.com:8808

  • 123b-vn1.com:443

Mutex

  • FtTRmAL1FxCo

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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3692

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/3692-0-0x0000000074412000-0x0000000074413000-memory.dmp
        Download

        memory/3692-1-0x00000000000E0000-0x00000000000F2000-memory.dmp
        Download

        memory/3692-2-0x0000000074400000-0x0000000074BBC000-memory.dmp
        Download

        memory/3692-3-0x0000000074412000-0x0000000074413000-memory.dmp
        Download

        memory/3692-4-0x0000000074400000-0x0000000074BBC000-memory.dmp
        Download