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
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 18:43

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260628-xdarjsby3x
  • SHA256 b83f1d4fd8778f155b40b97dc4fb905b67afeba4892a4d54a3db559e295d1193
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • ald.io:6606

  • ald.io:7707

  • ald.io:8808

  • ald.io:443

  • ald.io:53

  • ald.io:22

  • raywallet.io:6606

  • raywallet.io:7707

  • raywallet.io:8808

  • raywallet.io:443

  • raywallet.io:53

  • raywallet.io:22

  • skyventuremontreal.com:6606

  • skyventuremontreal.com:7707

  • skyventuremontreal.com:8808

  • skyventuremontreal.com:443

  • skyventuremontreal.com:53

  • skyventuremontreal.com:22

Mutex

  • OFWpGUWwQg4F

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
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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⤵
    • Unexpected DNS network traffic destination
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5132

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/5132-0-0x0000000074262000-0x0000000074263000-memory.dmp
        Download

        memory/5132-1-0x0000000000490000-0x00000000004A2000-memory.dmp
        Download

        memory/5132-2-0x0000000074250000-0x0000000074A0C000-memory.dmp
        Download

        memory/5132-3-0x0000000074262000-0x0000000074263000-memory.dmp
        Download

        memory/5132-4-0x0000000074250000-0x0000000074A0C000-memory.dmp
        Download