Overview

overview

10

Static

static

3

8a094e70a7...00.exe

windows10-2004-x64

10

8a094e70a7...00.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    8a094e70a79af719228087a1f101d74c6e47f22a1d4a4614f620430deb3cc400
  • Size 6.5MB
  • Sample260809-ygb98acp8t
  • SHA256 8a094e70a79af719228087a1f101d74c6e47f22a1d4a4614f620430deb3cc400
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratinstant-hdefense_evasiondiscoveryexecutionpersistenceratsuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Instant-H

C2

  • predatest.servebeer.com:32769

  • predatest.servebeer.com:32770

Mutex

  • wOeSIS0gih0u

Attributes
  • delay

    5

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      8a094e70a79af719228087a1f101d74c6e47f22a1d4a4614f620430deb3cc400
    • Size 6.5MB
    • SHA256 8a094e70a79af719228087a1f101d74c6e47f22a1d4a4614f620430deb3cc400
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    instant-hdefense_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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks