Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-it
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-itlocale:it-itos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 09:18

General

  • Target
    opsec.exe
  • Size 10.8MB
  • Sample260620-k91xdsft4z
  • SHA256 38e53b094339e6cd8dfa7b442012aa815f52f9db40457e5c63e52ae09c3215e4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Loads dropped DLL 22 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Contacts third-party web service commonly abused for C2 1 TTPs 11 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 2 IoCs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\opsec.exe
    "C:\Users\Admin\AppData\Local\Temp\opsec.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\opsec.exe
      "C:\Users\Admin\AppData\Local\Temp\opsec.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2920
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic path win32_videocontroller get name"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2064
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic path win32_videocontroller get name
          4⤵
          • Detects videocard installed
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2892
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic memorychip get capacity, speed, manufacturer"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3912
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic memorychip get capacity, speed, manufacturer
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4576
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic diskdrive get model, size"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5988
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic diskdrive get model, size
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4076
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic desktopmonitor get name, screenwidth, screenheight"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4072
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic desktopmonitor get name, screenwidth, screenheight
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2744
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "netsh wlan show interfaces"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2156
        • C:\Windows\system32\netsh.exe
          netsh wlan show interfaces
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          PID:3652
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "netsh advfirewall show allprofiles state"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Windows\system32\netsh.exe
          netsh advfirewall show allprofiles state
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:4232
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic /namespace:\\root\Microsoft\Windows\Defender path MSFT_MpComputerStatus get AntivirusEnabled, RealTimeProtectionEnabled"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3468
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic /namespace:\\root\Microsoft\Windows\Defender path MSFT_MpComputerStatus get AntivirusEnabled, RealTimeProtectionEnabled
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5096
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic useraccount get name, fullname, disabled"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic useraccount get name, fullname, disabled
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        81d243bd2c585b0f4821__mypyc.cp312-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\81d243bd2c585b0f4821__mypyc.cp312-win_amd64.pyd
        • Size 214KB
        • SHA256 52056f4b964f1bc0419064a374a32e56ef85ccb161166971d26f46a7490bd238
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 82a2f9ae1e6146ae3cb0f4bc5a62b7227e0384209d9b1aef86bbcc105912f7cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_bz2.pyd
        • Size 82KB
        • SHA256 160b5218c2035cccbaab9dc4ca26d099f433dcb86dbbd96425c933dc796090df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_ctypes.pyd
        • Size 122KB
        • SHA256 8250b4c102abd1dba49fc5b52030caa93ca34e00b86cee6547cc0a7f22326807
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_hashlib.pyd
        • Size 64KB
        • SHA256 b4cec162b985d34ab768f66e8fa41ed28dc2f273fde6670eeace1d695789b137
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_lzma.pyd
        • Size 154KB
        • SHA256 b095fa2eac97496b515031fbea5737988b18deee86a11f2784f5a551732ddc0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_queue.pyd
        • Size 31KB
        • SHA256 bbe7736caed8c17c97e2b156f686521a788c25f2004aae34ab0c282c24d57da7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_socket.pyd
        • Size 81KB
        • SHA256 ce3090fff8575b21287df5fc69ae98806646fc302eefadf85e369ad3debad92b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_ssl.pyd
        • Size 173KB
        • SHA256 61f00b0543464bba61e0bd1128118326c9bd0cdc592854dd1a31c3d6d8df2b83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\_wmi.pyd
        • Size 37KB
        • SHA256 b0ed1c62b73b291a1b57e3d8882cc269b2fcbb1253f2947da18d9036e0c985d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\base_library.zip
        • Size 1.3MB
        • SHA256 df0cae01200fd9075df54ba9f4001b1859a4654e1e092515cd02547dc5bae89f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cacert.pem

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\certifi\cacert.pem
        • Size 266KB
        • SHA256 fc9165a12403263e7ebfbdad7be7a3eac0fa5d325d3c70465f28d3690072ca28
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cd.cp312-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\charset_normalizer\cd.cp312-win_amd64.pyd
        • Size 10KB
        • SHA256 aec205186ce86077a5f8fb469e924cd5f7e183daed53f9de9362e77f3bf3637f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 4e5d5d20d6d31e72ab341c81e97b89e514326c4c861b48638243bdf0918cfa43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\libssl-3.dll
        • Size 774KB
        • SHA256 2e4d35b681a172d3298caf7dc670451be7a8ba27c26446efc67470742497a950
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _psutil_windows.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\psutil\_psutil_windows.pyd
        • Size 69KB
        • SHA256 0035450801bd7d938e9e146c5ec28e619cb5a5f4a18cdc53ac7e9734c7f94f78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyarmor_runtime.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\pyarmor_runtime_000000\pyarmor_runtime.pyd
        • Size 623KB
        • SHA256 bfd3aac8ae122cbcfff5b114d9460654657473c3ed2fa787176795d30d9abd42
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\python3.DLL
        • Size 66KB
        • SHA256 d52baca085f88b40f30c855e6c55791e5375c80f60f94057061e77e33f4cad7a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python312.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\python312.dll
        • Size 6.6MB
        • SHA256 93488fa7e631cc0a2bd808b9eee8617280ee9b6ff499ab424a1a1cbf24d77dc7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\select.pyd
        • Size 30KB
        • SHA256 dca5e6d39c5094ce599143cb82f6d8470f0c2a4ce4443499e73f32ed13333fd0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18722\unicodedata.pyd
        • Size 1.1MB
        • SHA256 64a162d6b11ba10cb11509f3cc445f17beb7acfd064f030b4d59faa1c9894b29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2920-82-0x00000000648C0000-0x000000006496A000-memory.dmp

        memory/2920-83-0x00000000648C0000-0x000000006496A000-memory.dmp