Overview

overview

7

Static

static

3

N5BOOTSTRA...NG.exe

windows10-2004-x64

7

N5BOOTSTRA...NG.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 15:51

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General

  • Target
    N5BOOTSTRAPPER--WORKING.exe
  • Size 9.5MB
  • Sample260623-tawcases2z
  • SHA256 f2091413f2c078e03f8da45512816c7b6ffb2c45e6014ffa51b8db3fb8f8c5dd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
spywarestealer

Malware Config

Signatures

  • Loads dropped DLL 19 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\N5BOOTSTRAPPER--WORKING.exe
    "C:\Users\Admin\AppData\Local\Temp\N5BOOTSTRAPPER--WORKING.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4084
    • C:\Users\Admin\AppData\Local\Temp\N5BOOTSTRAPPER--WORKING.exe
      "C:\Users\Admin\AppData\Local\Temp\N5BOOTSTRAPPER--WORKING.exe"
      2⤵
      • Loads dropped DLL
      PID:5012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        _raw_aes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\Crypto\Cipher\_raw_aes.pyd
        • Size 34KB
        • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _raw_aesni.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\Crypto\Cipher\_raw_aesni.pyd
        • Size 15KB
        • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _cpuid_c.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\Crypto\Util\_cpuid_c.pyd
        • Size 10KB
        • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_bz2.pyd
        • Size 86KB
        • SHA256 ef5277eb670219274e7d1e92190ddf7f4bb94d4922ca1c1a12efadfd2c4c66f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_ctypes.pyd
        • Size 139KB
        • SHA256 fd4847b99cd504a66bdc4739f15181b562774e6736bb88775880b073276dede1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_hashlib.pyd
        • Size 67KB
        • SHA256 9bc6ffcd2ab4ac87c4035f18b432e888d0d4a36795c97bf3f28ddf32cc34e40f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_lzma.pyd
        • Size 157KB
        • SHA256 39e5bc3624a26c9f6ad2e2df412543b0bd697a1d75338b44fe99763358d6d8cb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_socket.pyd
        • Size 85KB
        • SHA256 65caaa6f35c329d901ba3f3d9f7fc4d7443dcde89907dccbd6748786cc517476
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_ssl.pyd
        • Size 180KB
        • SHA256 12e31f50739e33b115c7e10febf1ccedeb5d9353cd539c608cc5dd164bee17a7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _wmi.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_wmi.pyd
        • Size 39KB
        • SHA256 6fb2c6316628664319b2abcf961f0cbbac809966a65b653c86e7864ad8701496
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\_zstd.pyd
        • Size 491KB
        • SHA256 54e6acfbc1cb27c9afea0e133cadac68b89869ff1a14eb0c678d40eb9c655347
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\base_library.zip
        • Size 1.3MB
        • SHA256 d60ce45ddacefa8a560ab469e291fe836b9b4202dc83f3db3ee91dd8f897d84f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 8b27ebae75cc99f20075322446af36c9ffcb4e3b400a77d712ef43f007f47f7d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libssl-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\libssl-3.dll
        • Size 776KB
        • SHA256 56dd50fb903b860ace831d0cd6c6250cd57e8655867c3a0fa16eac2d4cc0ba0b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\python314.dll
        • Size 6.5MB
        • SHA256 18310593c50ad109fc5c95db1fd5c92ecec9e1bfc66c976df9fc11dd62616d5a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pywintypes314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\pywin32_system32\pywintypes314.dll
        • Size 133KB
        • SHA256 e62808f40462f8066c8d19811cebd15467de6992b1cb48be5f5903910f5395f7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        win32crypt.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40842\win32\win32crypt.pyd
        • Size 123KB
        • SHA256 1144670ad8271e4d477167bcb55b8ec38e8ad9f02c6fbfe66024e67083da2131
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download