Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-ltsc_2024-x64

10

Resubmissions

07/09/2026, 07:46

260907-jl44ga1hqa10

07/09/2026, 07:34

260907-jd5p2afe7810

Sharing

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260907-jd5p2afe78
  • SHA256 6abd2bb9c138bd5bdbe7e717c4d5ef9c24c7176efb766e572c15c43435115b26
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncrattestdefense_evasiondiscoveryexecutionpersistenceratsuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • Reborn V1

Botnet

  • Test

C2

  • 43.228.157.121:8848

Mutex

  • l7vyhQEssQFr

Attributes
  • delay

    3

  • install

    true

  • install_file

    Gandon.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      AsyncClient.exe
    • Size 45KB
    • SHA256 6abd2bb9c138bd5bdbe7e717c4d5ef9c24c7176efb766e572c15c43435115b26
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    testdefense_evasiondiscoveryexecutionasyncratpersistenceratsuricata

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Modifies visibility of file extensions in Explorer

      defense_evasion

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

      Network activity triggered a Suricata alert

      suricataasyncrat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks