Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/08/2026, 19:53

General

  • Target
    Notch-Setup.exe
  • Size 63.9MB
  • Sample260827-yl22fay1cs
  • SHA256 b5c56a24ae138b2e7eef4c19b5a9dd497ca661f5196cf311d94714ff4938c497
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 46 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 63 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 2 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 2 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Notch-Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Notch-Setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5328
    • C:\Users\Admin\AppData\Local\Temp\is-COOLNWX2BM.tmp\Notch-Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-COOLNWX2BM.tmp\Notch-Setup.tmp" /SL5="$401D8,65778309,981504,C:\Users\Admin\AppData\Local\Temp\Notch-Setup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4524
      • C:\Users\Admin\AppData\Local\Programs\Notch\notch.exe
        "C:\Users\Admin\AppData\Local\Programs\Notch\notch.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4456
        • C:\Users\Admin\AppData\Local\Programs\Notch\notch.exe
          "C:\Users\Admin\AppData\Local\Programs\Notch\notch.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "ver"
            5⤵
            • Executes a command shell one-liner
            PID:3660
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:1680
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "ver"
            5⤵
            • Executes a command shell one-liner
            PID:1368
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:5228
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:3448
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:4968
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:2508
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:4896
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:1824
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:844
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:1764
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:2564
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:3876
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:2064
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:1804
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:6076
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:4632
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:3480
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:4212
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:4340
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:5968
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:1952
          • C:\Windows\SYSTEM32\netsh.exe
            netsh wlan show interfaces
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:5860
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:4084

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\VCRUNTIME140.dll
          • Size 95KB
          • SHA256 9d2b40f0395cc5d1b4d5ea17b84970c29971d448c37104676db577586d4ad1b1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\VCRUNTIME140_1.dll
          • Size 36KB
          • SHA256 34048abaa070ecc13b318cea31425f4ca3edd133d350318ac65259e6058c8b32
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _asyncio.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_asyncio.pyd
          • Size 63KB
          • SHA256 a9a99a2b847e46c0efce7fcfefd27f4bce58baf9207277c17bffd09ef4d274e5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_bz2.pyd
          • Size 81KB
          • SHA256 62173a8fadd4bf4dd71ab89ea718754aa31620244372f0c5bbbae102e641a60e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _cffi_backend.cp310-win_amd64.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_cffi_backend.cp310-win_amd64.pyd
          • Size 175KB
          • SHA256 c379126647af2cbfb592d6a921f6218da59b886e2a56e9b82f8159aced6f1100
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ctypes.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_ctypes.pyd
          • Size 120KB
          • SHA256 1ea3dd3df393fa9b27bf6595be4ac859064cd8ef9908a12378a6021bba1cb177
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _decimal.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_decimal.pyd
          • Size 248KB
          • SHA256 9aac010a424c757c434c460c3c0a6515d7720966ab64bad667539282a17b4133
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_hashlib.pyd
          • Size 63KB
          • SHA256 caa4d2f8795e9a55e128409cc016e2cc5c694cb026d7058fc561e4dd131ed1c9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_lzma.pyd
          • Size 154KB
          • SHA256 60793c8592193cfbd00fd3e5263be4315d650ba4f9e4fda9c45a10642fd998be
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _multiprocessing.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_multiprocessing.pyd
          • Size 33KB
          • SHA256 7581edea33c1db0a49b8361e51e6291688601640e57d75909fb2007b2104fa4c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _overlapped.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_overlapped.pyd
          • Size 48KB
          • SHA256 2ebbb0583259528a5178dd37439a64affcb1ab28cf323c6dc36a8c30362aa992
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _queue.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_queue.pyd
          • Size 30KB
          • SHA256 925f05255f4aae0997dc4ec94d900fd15950fd840685d5b8aa755427c7422b14
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_socket.pyd
          • Size 77KB
          • SHA256 e6deb751039cd5424a139708475ce83f9c042d43e650765a716cb4a924b07e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_ssl.pyd
          • Size 156KB
          • SHA256 d2a7999e234e33828888ad455baa6ab101d90323579abc1095b8c42f0f723b6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _uuid.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\_uuid.pyd
          • Size 24KB
          • SHA256 990586f2a2ba00d48b59bdd03d3c223b8e9fb7d7fab6d414bac2833eb1241ca2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\base_library.zip
          • Size 859KB
          • SHA256 8e875c6161263afd3c6b4d8ac1f641306f7b6591e2773a5513761f11f6dca9b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          click_20260221102329.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\click_20260221102329.gif
          • Size 50KB
          • SHA256 1a8501bd635f4ef522ef29236cbbda42c67b8d27a414de87cf36768178d9675e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          drag_20260221102254.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\drag_20260221102254.gif
          • Size 90KB
          • SHA256 d8daf7b81030a26ab07c8814d6b474ce0c100effaba3511eec74f0777ee5ef8b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gunter.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\gunter.gif
          • Size 44KB
          • SHA256 eb15e0e2c2ed0d951f1081faac7c4cb15fadf730b3e374fd9cfd6ade521f7cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          hello_20260221102355.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\hello_20260221102355.gif
          • Size 44KB
          • SHA256 082d0e8c2816691f8e75d353536dc091bc125643994c837f139b3faa8bec91d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-1_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\libcrypto-1_1.dll
          • Size 3.3MB
          • SHA256 9b7b4a0ad212095a8c2e35c71694d8a1764cd72a829e8e17c8afe3a55f147939
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libffi-7.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\libffi-7.dll
          • Size 32KB
          • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-1_1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\libssl-1_1.dll
          • Size 688KB
          • SHA256 d74ce01319ae6f54483a19375524aa39d9f5fd91f06cf7df238ca25e043130fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          lisa.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\lisa.gif
          • Size 13KB
          • SHA256 1048d174f115b94b6e52f43f2060e929cafe5d3bd90b4512d79bb718646f8fe8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          lock_20260221102421.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\lock_20260221102421.gif
          • Size 8KB
          • SHA256 1fbb1b2fe0ee6977672c7387f0116c0ce89e8f3c7a7914c289dd2e01c007cf9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          michael.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\michael.gif
          • Size 68KB
          • SHA256 65cd61d7e5015886073bd56f7b07f56dfbf5b4b2fa3d8264fbeebe75f4d7c411
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pyexpat.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\pyexpat.pyd
          • Size 194KB
          • SHA256 4a2d59993bce76790c6d923af81bf404f8e2cb73552e320113663b14cf78748c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\python3.dll
          • Size 64KB
          • SHA256 dc909eb798a23ba8ee9f8e3f307d97755bc0d2dc0cb342cedae81fbbad32a8a9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python310.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\python310.dll
          • Size 4.3MB
          • SHA256 14b06796f288bc6599e458fb23a944ab0c843e9868058f02a91d4606533505ed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pythoncom310.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\pywin32_system32\pythoncom310.dll
          • Size 664KB
          • SHA256 aa968a983382fd68b3e81ba56f4e34861c47dace4afed5dab24648257ff440b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pywintypes310.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\pywin32_system32\pywintypes310.dll
          • Size 132KB
          • SHA256 7a7e9bce1b56932dcc1d27edd05adbaeab82a201a15e0f24d2d32fbd99c1b682
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\select.pyd
          • Size 29KB
          • SHA256 db85f2f94d4994283e1055057372594538ae11020389d966e45607413851d9e9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          snoopy.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\snoopy.gif
          • Size 28KB
          • SHA256 61705b784b50aba20e4d67b5b595a3a10955187065a06a95a2569795262f8ffb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tray_20260221102442.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\tray_20260221102442.gif
          • Size 33KB
          • SHA256 1818fdaaf876f8394d1b9303d26d3100ed604db11e17be25f5bb063a28867f9e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\unicodedata.pyd
          • Size 1.1MB
          • SHA256 1fb2d66c056f69e8bbdd8c6c910e72697874dae680264f8fb4b4df19af98aa2e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          update_20260221102526.gif

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\update_20260221102526.gif
          • Size 27KB
          • SHA256 3dd02620b07b397490a04a2dc96a477c3c78cb00d98743990c449a03fea84af1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          INSTALLER

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\wheel-0.45.1.dist-info\INSTALLER
          • Size 4B
          • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
          • MD5 SHA1 SHA512

          win32api.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI44562\win32\win32api.pyd
          • Size 131KB
          • SHA256 d2c0726bbc6707aec4e86743496b719cb8c6654dd77f6670290ef1beebb2a02e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Notch-Setup.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-COOLNWX2BM.tmp\Notch-Setup.tmp
          • Size 4.3MB
          • SHA256 a90258c86e36784187a7ca0e486b985cd314d4d837478f396e1292611c4ef780
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1160-308-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-310-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-315-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-314-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-313-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-312-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-318-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-311-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-316-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-306-0x00007FFD8DD00000-0x00007FFD8DF63000-memory.dmp

          memory/1160-307-0x00007FFD8B7C0000-0x00007FFD8BA25000-memory.dmp

          memory/1160-317-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/1160-309-0x0000019F38D30000-0x0000019F392F6000-memory.dmp

          memory/4524-243-0x0000000000160000-0x00000000005B8000-memory.dmp

          memory/4524-6-0x00000000015C0000-0x00000000015C1000-memory.dmp

          memory/4524-17-0x0000000000160000-0x00000000005B8000-memory.dmp

          memory/4524-12-0x0000000000160000-0x00000000005B8000-memory.dmp

          memory/4524-10-0x00000000015C0000-0x00000000015C1000-memory.dmp

          memory/4524-9-0x0000000000160000-0x00000000005B8000-memory.dmp

          memory/5328-0-0x00000000002C0000-0x00000000003BE000-memory.dmp

          memory/5328-244-0x00000000002C0000-0x00000000003BE000-memory.dmp

          memory/5328-8-0x00000000002C0000-0x00000000003BE000-memory.dmp