Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 18:59

General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260730-xm4e8ayvcs
  • SHA256 c0f68daf299eb39232cce78b2525ecb6ca60f3cdd5ccb3cbd5cfcf15ac61ff90
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 123bio.co/vi-vn/:6606

  • 123bio.co/vi-vn/:7707

  • 123bio.co/vi-vn/:8808

  • 123bio.co/vi-vn/:443

  • 123bio.co/vi-vn/:80

  • 123bio.co/vi-vn/:8844

  • 123bio.co/vi-vn/:22

  • 123bio.co/vi-vn/:53

  • 123br-123br.com/vi-vn/:6606

  • 123br-123br.com/vi-vn/:7707

  • 123br-123br.com/vi-vn/:8808

  • 123br-123br.com/vi-vn/:443

  • 123br-123br.com/vi-vn/:80

  • 123br-123br.com/vi-vn/:8844

  • 123br-123br.com/vi-vn/:22

  • 123br-123br.com/vi-vn/:53

  • solo123b.com/vi-vn/:6606

  • solo123b.com/vi-vn/:7707

  • solo123b.com/vi-vn/:8808

  • solo123b.com/vi-vn/:443

Mutex
  • 4UWs9OPJ8vyg

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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:5744

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/5744-0-0x0000000074882000-0x0000000074883000-memory.dmp

        memory/5744-1-0x0000000000910000-0x0000000000922000-memory.dmp

        memory/5744-2-0x0000000074870000-0x000000007502C000-memory.dmp

        memory/5744-3-0x0000000074882000-0x0000000074883000-memory.dmp

        memory/5744-4-0x0000000074870000-0x000000007502C000-memory.dmp