General

  • Target

    file.exe

  • Size

    654KB

  • Sample

    241210-y54z5ssmfp

  • MD5

    ae806b6f5e02484c2be2b49da35b3d26

  • SHA1

    66ae8df94cd9e804fab01bc6be77cfec8d544226

  • SHA256

    7a31e73a61251309c51a343c14af5149915110c0f818747f7de78344739f21c5

  • SHA512

    8ea9cfe94bc4dbfc0a6c43b811461e6da4cab55fe6a3ddd1a4795f0887b2a311a6e9d9a464bb9253985c5a68cc206c36a703319463e5daca92adbe056e16a968

  • SSDEEP

    12288:77MfJIBvlbmLC3sCPtRzSXiBdja/z2UmG5pc4M1xK/5BFz2430RUwy9EXX+CNkkR:SIme3LLAiBdMmGpNkspz2i0RUwFOCND

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

      654KB

    • MD5

      ae806b6f5e02484c2be2b49da35b3d26

    • SHA1

      66ae8df94cd9e804fab01bc6be77cfec8d544226

    • SHA256

      7a31e73a61251309c51a343c14af5149915110c0f818747f7de78344739f21c5

    • SHA512

      8ea9cfe94bc4dbfc0a6c43b811461e6da4cab55fe6a3ddd1a4795f0887b2a311a6e9d9a464bb9253985c5a68cc206c36a703319463e5daca92adbe056e16a968

    • SSDEEP

      12288:77MfJIBvlbmLC3sCPtRzSXiBdja/z2UmG5pc4M1xK/5BFz2430RUwy9EXX+CNkkR:SIme3LLAiBdMmGpNkspz2i0RUwFOCND

    • AsyncRat

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

    • Asyncrat family

    • Command and Scripting Interpreter: PowerShell

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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks