Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 17:07

General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260629-vm262sat6s
  • SHA256 64c806ad0b72de354a3b2b4c06a1e035aef2608206e2e94e48bb0437d7c1a90e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • tijmenpronk.nl:6606

  • tijmenpronk.nl:7707

  • tijmenpronk.nl:8808

  • tijmenpronk.nl:443

  • tijmenpronk.nl:80

  • tijmenpronk.nl:8844

  • tijmenpronk.nl:22

  • tijmenpronk.nl:53

  • oxfordwomen.co.uk:6606

  • oxfordwomen.co.uk:7707

  • oxfordwomen.co.uk:8808

  • oxfordwomen.co.uk:443

  • oxfordwomen.co.uk:80

  • oxfordwomen.co.uk:8844

  • oxfordwomen.co.uk:22

  • oxfordwomen.co.uk:53

  • sawatdi.co.uk:6606

  • sawatdi.co.uk:7707

  • sawatdi.co.uk:8808

  • sawatdi.co.uk: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#.

  • 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.

  • 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:6268

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/6268-0-0x0000000074E12000-0x0000000074E13000-memory.dmp

        memory/6268-1-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

        memory/6268-2-0x0000000074E00000-0x00000000755BC000-memory.dmp

        memory/6268-3-0x0000000074E12000-0x0000000074E13000-memory.dmp

        memory/6268-4-0x0000000074E00000-0x00000000755BC000-memory.dmp