General

  • Target

    Client.exe

  • Size

    63KB

  • Sample

    240814-jtwr3awcmq

  • MD5

    a8515eaaad39b50757b65dacd5c17042

  • SHA1

    98bf1b3765448f24447bdcd4117e972fae8fe09e

  • SHA256

    f22ec9c2df8efd42827f0c23c3a47c5cd776e2213cad5f1e067c4f2e4ac0cebe

  • SHA512

    d35bc0179ef0a94fbe579fc4c2991a5a8e720eea2fc70d50a731d37b3934bc90214239339840fcfd82553d08ba54d22dc56d182902cead6d8a2692065a3cd667

  • SSDEEP

    1536:QhW5hc1kw0kV7eeiIVrGbbXw5o6zUKGODpqKmY7:QhW5hc1kWVieXGbbX76w0gz

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

software-julia.gl.at.ply.gg:17106

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Client.exe

    • Size

      63KB

    • MD5

      a8515eaaad39b50757b65dacd5c17042

    • SHA1

      98bf1b3765448f24447bdcd4117e972fae8fe09e

    • SHA256

      f22ec9c2df8efd42827f0c23c3a47c5cd776e2213cad5f1e067c4f2e4ac0cebe

    • SHA512

      d35bc0179ef0a94fbe579fc4c2991a5a8e720eea2fc70d50a731d37b3934bc90214239339840fcfd82553d08ba54d22dc56d182902cead6d8a2692065a3cd667

    • SSDEEP

      1536:QhW5hc1kw0kV7eeiIVrGbbXw5o6zUKGODpqKmY7:QhW5hc1kWVieXGbbX76w0gz

    • AsyncRat

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

    • Modifies Windows Defender Real-time Protection settings

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • UAC bypass

    • Async RAT payload

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks whether UAC is enabled

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks