Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/07/2026, 00:11

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260702-ag438shz21
  • SHA256 a2d81ccaa11f0a30ffe24bf9a6677ea665c4f4947944d2e59c26664e95ce4637
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xoilac90phutd.tv:6606

  • xoilac90phutd.tv:7707

  • xoilac90phutd.tv:8808

  • xoilac90phutd.tv:443

  • xoilac90phutd.tv:80

  • xoilac90phutd.tv:8844

  • xoilac90phutd.tv:22

  • xoilac90phutd.tv:53

  • xoilaclinkwc2026.tv:6606

  • xoilaclinkwc2026.tv:7707

  • xoilaclinkwc2026.tv:8808

  • xoilaclinkwc2026.tv:443

  • xoilaclinkwc2026.tv:80

  • xoilaclinkwc2026.tv:8844

  • xoilaclinkwc2026.tv:22

  • xoilaclinkwc2026.tv:53

  • socolivex.cv:6606

  • socolivex.cv:7707

  • socolivex.cv:8808

  • socolivex.cv:443

Mutex

  • zfAY4SPm4JMP

Attributes
  • delay

    9

  • 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 1 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 2 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:5080

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/5080-0-0x00000000001A0000-0x00000000001B2000-memory.dmp
        Download

        memory/5080-1-0x0000000004C70000-0x0000000004C80000-memory.dmp
        Download

        memory/5080-2-0x0000000004C70000-0x0000000004C80000-memory.dmp
        Download