Resubmissions

03/08/2023, 22:10

230803-13h11ahe5w

02/08/2023, 21:30

230802-1cj6daaa2610

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2023, 21:30

General

  • Target
    Client.exe
  • Size 74KB
  • Sample230802-1cj6daaa26
  • SHA256 eb945bd353aaab5149c301aa9644e5278e608f060cf09c3d06e88d6fb6b3faeb
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet
  • Default

C2
  • 127.0.0.1:4449

Mutex
  • tkxbghrptmqtnkssdz

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 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:512
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2416
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2600
    • C:\Users\Admin\Desktop\Client.exe
      "C:\Users\Admin\Desktop\Client.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1984

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          DataLogs.conf

          • Path C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
          • Size 8B
          • SHA256 c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
          • MD5 SHA1 SHA512

          memory/512-152-0x00007FFF2B320000-0x00007FFF2BDE1000-memory.dmp

          memory/512-135-0x00007FFF2B320000-0x00007FFF2BDE1000-memory.dmp

          memory/512-136-0x000000001B830000-0x000000001B840000-memory.dmp

          memory/512-137-0x00007FFF2B320000-0x00007FFF2BDE1000-memory.dmp

          memory/512-138-0x000000001B830000-0x000000001B840000-memory.dmp

          memory/512-133-0x0000000000A10000-0x0000000000A28000-memory.dmp

          memory/1984-156-0x00007FFF2B320000-0x00007FFF2BDE1000-memory.dmp

          memory/1984-155-0x000000001B0B0000-0x000000001B0C0000-memory.dmp

          memory/1984-154-0x00007FFF2B320000-0x00007FFF2BDE1000-memory.dmp

          memory/2416-139-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-150-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-148-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-149-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-147-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-151-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-146-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-145-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-141-0x0000029866100000-0x0000029866101000-memory.dmp

          memory/2416-140-0x0000029866100000-0x0000029866101000-memory.dmp