Analysis

  • max time kernel
    106s
  • max time network
    109s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-06-2024 07:56

General

  • Target

    Client.exe

  • Size

    74KB

  • MD5

    50141588d141a3e39e77b728a3102cc3

  • SHA1

    100024df2be8d4ea2b9ea727c06a0558ed630b1e

  • SHA256

    3f2af23e28f5eaa2e87e5b558dc35827e1ec26c9d0d801204317d4b68d8a34e2

  • SHA512

    aa8a71f5be56f1f1ccbfed2703bd19faccc4bf81213cdc82d558093449664233bc1de57c7f7dbd7d05bf0c47ae33fc955fd43a2f3b9bbe531684e5d53783cf16

  • SSDEEP

    1536:1ULkcxVKpC6yPMVKe9VdQuDI6H1bf/MUM4WZdXQzcGLVclN:1UocxVENyPMVKe9VdQsH1bfyhQfBY

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

aztddokpdxbvrrzhk

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/LwwcrLg4

aes.plain

Signatures

  • AsyncRat

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1084
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:3088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1084-0-0x00007FFC0E963000-0x00007FFC0E965000-memory.dmp

      Filesize

      8KB

    • memory/1084-1-0x0000000000D80000-0x0000000000D98000-memory.dmp

      Filesize

      96KB

    • memory/1084-3-0x00007FFC0E960000-0x00007FFC0F422000-memory.dmp

      Filesize

      10.8MB

    • memory/1084-4-0x00007FFC0E960000-0x00007FFC0F422000-memory.dmp

      Filesize

      10.8MB

    • memory/1084-5-0x00007FFC0E963000-0x00007FFC0E965000-memory.dmp

      Filesize

      8KB

    • memory/1084-6-0x00007FFC0E960000-0x00007FFC0F422000-memory.dmp

      Filesize

      10.8MB