Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/05/2024, 14:54

General

  • Target
    84c2b21f5b3c48dfb7481094b8e7f8c2f56e041fe3244b1a608bc264d83536bb.exe
  • Size 11.7MB
  • Sample240516-r96afaaa67
  • SHA256 84c2b21f5b3c48dfb7481094b8e7f8c2f56e041fe3244b1a608bc264d83536bb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet
  • Default

C2
  • 94.156.69.161:8900

  • 94.156.69.161:4443

  • 94.156.69.163:8900

  • 94.156.69.163:4443

  • 94.156.69.164:8900

  • 94.156.69.164:4443

  • 94.156.69.165:8900

  • 94.156.69.165:4443

  • 94.156.69.166:8900

  • 94.156.69.166:4443

  • 91.92.248.82:8900

  • 91.92.248.82:4443

  • 91.92.251.136:8900

  • 91.92.251.136:4443

  • 91.92.251.153:8900

  • 91.92.251.153:4443

  • 91.92.251.159:8900

  • 91.92.251.159:4443

  • 91.92.251.179:8900

  • 91.92.251.179:4443

Mutex
  • sqhylkrhlwjrecxiv

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84c2b21f5b3c48dfb7481094b8e7f8c2f56e041fe3244b1a608bc264d83536bb.exe
    "C:\Users\Admin\AppData\Local\Temp\84c2b21f5b3c48dfb7481094b8e7f8c2f56e041fe3244b1a608bc264d83536bb.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:236
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5068

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1296-0-0x000000007519E000-0x000000007519F000-memory.dmp

          memory/1296-1-0x0000000000670000-0x0000000001234000-memory.dmp

          memory/1296-2-0x0000000006320000-0x00000000068C6000-memory.dmp

          memory/1296-3-0x0000000005D70000-0x0000000005E02000-memory.dmp

          memory/1296-4-0x0000000005D20000-0x0000000005D2A000-memory.dmp

          memory/1296-5-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/1296-6-0x0000000008870000-0x00000000089F8000-memory.dmp

          memory/1296-8-0x0000000008A00000-0x0000000008DFE000-memory.dmp

          memory/1296-14-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-13-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-11-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-9-0x0000000000400000-0x0000000000418000-memory.dmp

          memory/5068-15-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-18-0x0000000006CC0000-0x0000000006D5C000-memory.dmp

          memory/5068-19-0x00000000068E0000-0x0000000006946000-memory.dmp

          memory/5068-21-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-22-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-23-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-24-0x0000000075190000-0x0000000075941000-memory.dmp

          memory/5068-25-0x0000000075190000-0x0000000075941000-memory.dmp