Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    10/08/2026, 00:24

General

  • Target
    build mod.exe
  • Size 22.2MB
  • Sample260810-ap75vsdb77
  • SHA256 73de8aa0fa77e3ecc1c5a7e8596733b1130d415b003e3bd2b82d7b430890408e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Loads dropped DLL 38 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

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

  • Looks up external IP address via web service 1 TTPs 6 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

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

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build mod.exe
    "C:\Users\Admin\AppData\Local\Temp\build mod.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Users\Admin\AppData\Local\Temp\build mod.exe
      "C:\Users\Admin\AppData\Local\Temp\build mod.exe"
      2⤵
      • Adds policy Run key to start application
      • Drops file in Drivers directory
      • Creates a file in the Startup directory
      • Loads dropped DLL
      • Registers new Windows logon scripts automatically executed at logon.
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-CimInstance -Query \"SELECT CommandLine FROM Win32_Process WHERE Name LIKE '%java%' AND CommandLine LIKE '%accessToken%'\" | Select-Object -ExpandProperty CommandLine"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3836
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1888
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\kill.bat" "
          4⤵
          • Executes a command shell one-liner
          PID:3272

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _raw_aes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\Crypto\Cipher\_raw_aes.pyd
        • Size 34KB
        • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_aesni.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\Crypto\Cipher\_raw_aesni.pyd
        • Size 15KB
        • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_des3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\Crypto\Cipher\_raw_des3.pyd
        • Size 51KB
        • SHA256 b60ce99ebcb7946fa9b66660ce7bba919571e0f1a97fb4c7e8a385d86cfa5c58
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _SHA1.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\Crypto\Hash\_SHA1.pyd
        • Size 17KB
        • SHA256 8f80524247c830d9bb590d025e15ec34d7d337a16e5c4422e2da0448d06c88a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _SHA256.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\Crypto\Hash\_SHA256.pyd
        • Size 21KB
        • SHA256 2d57abc0274265d2ab891fba840c05a34831f61ab5c21d0540fc43bd28cc5ae3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cpuid_c.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\Crypto\Util\_cpuid_c.pyd
        • Size 10KB
        • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _asyncio.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_asyncio.pyd
        • Size 75KB
        • SHA256 5500e7cd1b3eed100275739a6c6a262af3707ef2b88b84c88898d917fbff3990
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_bz2.pyd
        • Size 84KB
        • SHA256 275fc2a276af452599d24177ebe2cf9e374b956e79882146e9d93778cd6fca78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_ctypes.pyd
        • Size 138KB
        • SHA256 0d703202e936cdb451b22e299f9c08ab5c33a87772ffc7c9a68eaeec0d28f2c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_decimal.pyd
        • Size 318KB
        • SHA256 4f9a69fdadd454621025d11a5f9464d985cb0cc91ce2a43e10b65f96176cb3a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _elementtree.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_elementtree.pyd
        • Size 141KB
        • SHA256 0133f1595c04f30b256717bbda5f88f5540b6c3062606d3c9948493d2109f732
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_hashlib.pyd
        • Size 71KB
        • SHA256 2ce1f9ee2e6f402e4a036a413e79ca6e4751885d375e1975c21c43626922c536
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_lzma.pyd
        • Size 167KB
        • SHA256 8f586b927bafb0cfd58396d595c42b142261e8f46cb5d7fca4cae3d9a9fdab82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _multiprocessing.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_multiprocessing.pyd
        • Size 37KB
        • SHA256 211422a84c74e85c86873f3853f85fdaa81c5f54f75cd60bf3d22076ace37712
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _overlapped.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_overlapped.pyd
        • Size 56KB
        • SHA256 93f1442b3e956eb63b5e8a7ea7dbfc42b19d86437adc818fe142e1fc588a355b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_queue.pyd
        • Size 35KB
        • SHA256 f9710ec4c6b5ca88f8f924594a35c61eb3478d000f0d894d08b88986be05deff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_socket.pyd
        • Size 86KB
        • SHA256 4e6f34190262676f20879a80605a5598fb7cec8da7719a99c3a6557ee9f59c3c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_sqlite3.pyd
        • Size 128KB
        • SHA256 0718548bad81faca438c3816daa7ee6565849dafa1f37bcac97cd59c22537054
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_ssl.pyd
        • Size 192KB
        • SHA256 bfc6258fecf2147b2b3a17459748e3a3e5adc29b25a2cd5076cbe544b00753a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_uuid.pyd
        • Size 27KB
        • SHA256 9b5f05d0d556b0e7fbbe0511bc52a1efce51a34d8d8f962ef481b3e5bfcd9ac6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_wmi.pyd
        • Size 38KB
        • SHA256 45dd8d2be03525c7f3b24967389d51a497e8047e321ac593668fdcb88bdadb52
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\_zstd.pyd
        • Size 494KB
        • SHA256 a91ff355cffae14997473aa6466cd6c9afcd7a5fa43d473dbd959e1c73637188
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\base_library.zip
        • Size 1.4MB
        • SHA256 a67fcd0cd59d6ec6069e878a2e85e3e92eac3a35e7dc8689c482b6c8571f3f83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\libssl-3.dll
        • Size 1.3MB
        • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\pyexpat.pyd
        • Size 229KB
        • SHA256 2746058b5725450f943ae4268401ddf91e4a60283b69d8b033ecf96381270c9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python315.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\python315.dll
        • Size 7.5MB
        • SHA256 a7cb70d14200ecc280886042d308897bf482c8e823eea5041d9ab70214b2f08e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pywintypes315.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\pywin32_system32\pywintypes315.dll
        • Size 134KB
        • SHA256 5c358cd2be80303fd839c0bbaaa6539875e9fd3f4f3d0356eae84fe7869e3bba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\select.pyd
        • Size 32KB
        • SHA256 c3c86c8f916b637e4db57cb3489409383cc00bca7f5d7d474a3bb66cd72fa49d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\sqlite3.dll
        • Size 1.6MB
        • SHA256 629f671b658898268592ae40a32bf66b051f10d08b288d57a41868b74176f6f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\unicodedata.pyd
        • Size 733KB
        • SHA256 372604f66f8e911c0ca574feacbb7b955c9d82859d56ca451c9736b9a150311d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        win32crypt.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI4602\win32\win32crypt.pyd
        • Size 123KB
        • SHA256 b47f7f2610a06b0e646f0ff81457c5f6c5e61c5db20c7da99fbaefd7f31a4fbd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_gmzo0ykw.pk1.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gmzo0ykw.pk1.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        kill.bat

        • Path C:\Users\Admin\AppData\Local\Temp\kill.bat
        • Size 155B
        • SHA256 40eaa6fcc015254a6c6622504b4ada9726a0be8005a6925347675f3d1f0bf906
        • MD5 SHA1 SHA512 TLSH

        memory/1888-477-0x000001C2D7540000-0x000001C2D7584000-memory.dmp

        memory/1888-478-0x000001C2D7AA0000-0x000001C2D7B16000-memory.dmp

        memory/3836-455-0x000002BF35A40000-0x000002BF35A50000-memory.dmp

        memory/3836-465-0x000002BF37430000-0x000002BF3745A000-memory.dmp

        memory/3836-466-0x000002BF37430000-0x000002BF37454000-memory.dmp

        memory/3836-464-0x000002BF35A40000-0x000002BF35A50000-memory.dmp

        memory/3836-456-0x000002BF359E0000-0x000002BF35A02000-memory.dmp

        memory/3836-454-0x000002BF35A40000-0x000002BF35A50000-memory.dmp