Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    AsyncClient.exe
  • Size 47KB
  • Sample260821-mgdbqsxhkh
  • SHA256 3bc18806a4b5b1cd093daf38c7ce37e775db806549316a6abd5bfd1e62bbdfe1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistenceratsuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 217.164.37.89:6868

Mutex

  • ooXpEuJU7h2X

Attributes
  • delay

    3

  • install

    true

  • install_file

    System.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      AsyncClient.exe
    • Size 47KB
    • SHA256 3bc18806a4b5b1cd093daf38c7ce37e775db806549316a6abd5bfd1e62bbdfe1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratpersistenceratsuricata

    • Async RAT payload

      rat

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound

      Network activity triggered a Suricata alert

      suricataasyncrat

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks