Overview

overview

7

Static

static

3

NL4KW_Win.exe

windows10-2004-x64

7

NL4KW_Win.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 02:51

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General

  • Target
    NL4KW_Win.exe
  • Size 10.4MB
  • Sample261102-dcb4faev6z
  • SHA256 fd9b811d1052b6740de84a5ff5e7e62abb61e5ca94d350bffec4783c8ea3faf5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discovery

Malware Config

Signatures

  • Loads dropped DLL 26 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NL4KW_Win.exe
    "C:\Users\Admin\AppData\Local\Temp\NL4KW_Win.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Users\Admin\AppData\Local\Temp\NL4KW_Win.exe
      "C:\Users\Admin\AppData\Local\Temp\NL4KW_Win.exe"
      2⤵
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      PID:4844

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_bz2.pyd
        • Size 84KB
        • SHA256 65f610646d10d5babea080e060d244b546ec52c54012e5e937dc72dcc2e2e7bc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_ctypes.pyd
        • Size 124KB
        • SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _decimal.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_decimal.pyd
        • Size 255KB
        • SHA256 aeacfead2befcc0768063a037bb64bd32109ae09cb144e5f571b04dd7965db9d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_hashlib.pyd
        • Size 67KB
        • SHA256 03d233dbace599168eaffec823de6ed7beec8c2a4ebfe9b8a3d8e042a59af3ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_lzma.pyd
        • Size 157KB
        • SHA256 e3deecc1f59a3b811c608861decd84de1e8df8bafd5e2b39188861318c5a38cf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _queue.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_queue.pyd
        • Size 32KB
        • SHA256 48e76e0ad63f6932b4a77b5819f41c1e7595636ca8d9e824f0943a14b8bb5035
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_socket.pyd
        • Size 83KB
        • SHA256 3efa4636cf9e350856f6927d67a4c2564bf9bd2758a00bbf17d3aece5b60016d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_ssl.pyd
        • Size 175KB
        • SHA256 0bc527d2dbc50009f43b2ed5d5982c4f63f4b647647ffa9eda612dcda80f6040
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _wmi.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\_wmi.pyd
        • Size 39KB
        • SHA256 a980f1e7a29842bd946863fc2693fbeb555a9dc0f9e1630dfed9a2fcdef3ece2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\base_library.zip
        • Size 1.3MB
        • SHA256 8896383c31216e8c20ed5ca84f40babbe220bd5e1e6366dd3c630b082c04adc7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        cacert.pem
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\certifi\cacert.pem
        • Size 290KB
        • SHA256 c55b21f907f7f86d48add093552fb5651749ff5f860508ccbb423d6c1fbd80c7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        md.cp312-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\charset_normalizer\md.cp312-win_amd64.pyd
        • Size 10KB
        • SHA256 5c11b2fbe20a75aedcde205fbf0fdda2fa1ca9bd914ae72656dc6fb651bfded0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        md__mypyc.cp312-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\charset_normalizer\md__mypyc.cp312-win_amd64.pyd
        • Size 122KB
        • SHA256 ffe8d64a38b4060055beb2076e669b61034c045e3ec53bac74ee66bba3fc26c0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libssl-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\libssl-3.dll
        • Size 776KB
        • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python312.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\python312.dll
        • Size 6.6MB
        • SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pywintypes312.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\pywin32_system32\pywintypes312.dll
        • Size 133KB
        • SHA256 c8425ad78237164e31efbf859a857b02e098fcf4b37caadc1a725d21490f5f3f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        select.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\select.pyd
        • Size 32KB
        • SHA256 d4d7181b11db0bd22a6cd5cda6f8583d1f5c77615fd0a6ca33350619d6e0438a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _speedups.cp312-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\simplejson\_speedups.cp312-win_amd64.pyd
        • Size 40KB
        • SHA256 8ae64a0d1cfe33464716306b00e1a856c07fb3a921b89c9e2170b880b431fb55
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\ucrtbase.dll
        • Size 1.1MB
        • SHA256 91d027417ff2301b7135e864a5df6693488f8412ff87040f4897e0e03bc2577b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\unicodedata.pyd
        • Size 1.1MB
        • SHA256 208ee1cd3cbad0828433ca7246b05be2b1ff5569983d27d296c0b38888585488
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        win32api.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\win32\win32api.pyd
        • Size 130KB
        • SHA256 367a87c81b02b234b6176d498bcae5c27ee32c903c29b87cb63f40d9e5a642fc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        win32gui.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI41162\win32\win32gui.pyd
        • Size 216KB
        • SHA256 0d9412bbf844bb2f2f10a6bf59c715900330fb990ca8f2e17590f9f8b5e6252a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download