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
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 06:38

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260623-hd6fwsbs5s
  • SHA256 87d97017115a8281c4980f153937e371323f0a4ed91a2fcb44ed1e8c97452ce0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • gavanglink.live:6606

  • gavanglink.live:7707

  • gavanglink.live:8808

  • gavanglink.live:443

  • gavanglink.live:53

  • gavanglink.live: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 3 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

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
    PID:1248

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/1248-0-0x0000000074F22000-0x0000000074F23000-memory.dmp
        Download

        memory/1248-1-0x0000000000E20000-0x0000000000E32000-memory.dmp
        Download

        memory/1248-2-0x0000000074F10000-0x00000000756CC000-memory.dmp
        Download

        memory/1248-3-0x0000000074F22000-0x0000000074F23000-memory.dmp
        Download

        memory/1248-4-0x0000000074F10000-0x00000000756CC000-memory.dmp
        Download