Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 785KB
  • Sample241209-trc72stkfv
  • SHA256 52a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratdefaultdiscoveryexecutionrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

  • Default

C2

  • 185.208.158.187:4449

Mutex

  • tnybaidkzovl

Attributes
  • delay

    10

  • install

    true

  • install_file

    NotepadUpdate.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      file.exe
    • Size 785KB
    • SHA256 52a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    asyncratdefaultdiscoveryexecutionrat

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks