General

  • Target

    Loader.exe

  • Size

    74KB

  • Sample

    241203-3mp6gswkbk

  • MD5

    7a545dbf06e65f7f17f04ae0f5153e0e

  • SHA1

    ab20193637edd250eac59fd71b6ea2b7a0faaad4

  • SHA256

    c3556cd1169de28cb9f6ba3a06a875f756b1bbadfb51b7ce00c92f23d2cd4f5d

  • SHA512

    98a56663c90195b0b22df4dcfd72cc4717e445d5eaa2f4571443becbe38a77121835073cbf56377f5cc11849e160dbe9e156fcff8a3fab2efd9aa97a1876d0d1

  • SSDEEP

    1536:wUKUcxoyR1CriPMVzrqVBYgImH1bz/mmB4Qzc2EVclN:wUzcxoyXkiPMVzrqVHH1bz/4QD2Y

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

66.66.146.74:9511

Mutex

8906005788005HTGF

Attributes
  • delay

    1

  • install

    true

  • install_file

    WINDOWS.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Loader.exe

    • Size

      74KB

    • MD5

      7a545dbf06e65f7f17f04ae0f5153e0e

    • SHA1

      ab20193637edd250eac59fd71b6ea2b7a0faaad4

    • SHA256

      c3556cd1169de28cb9f6ba3a06a875f756b1bbadfb51b7ce00c92f23d2cd4f5d

    • SHA512

      98a56663c90195b0b22df4dcfd72cc4717e445d5eaa2f4571443becbe38a77121835073cbf56377f5cc11849e160dbe9e156fcff8a3fab2efd9aa97a1876d0d1

    • SSDEEP

      1536:wUKUcxoyR1CriPMVzrqVBYgImH1bz/mmB4Qzc2EVclN:wUzcxoyXkiPMVzrqVHH1bz/4QD2Y

    • AsyncRat

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

    • Asyncrat family

    • Modifies Windows Defender Real-time Protection settings

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Async RAT payload

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks installed software on the system

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks