Analysis

  • user interaction
    yes
  • max time kernel
    40s
  • max time network
    41s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    04/08/2026, 14:22

General

  • Target
    a.exe
  • Size 16.7MB
  • Sample260804-rpstlscb59
  • SHA256 54c73b9ed01f6da73703a491c6da2208944bb9c7550e8036beb932102c195736
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 27 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a.exe
    "C:\Users\Admin\AppData\Local\Temp\a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4736
    • C:\Users\Admin\AppData\Local\Temp\a.exe
      "C:\Users\Admin\AppData\Local\Temp\a.exe"
      2⤵
      • Loads dropped DLL
      PID:5324

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd
        • Size 213KB
        • SHA256 ba7fc544994f126cb7485ce52d265d2f32e93c4f1ea1fcd6fcdee3918f271979
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_aes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\Crypto\Cipher\_raw_aes.pyd
        • Size 34KB
        • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _raw_aesni.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\Crypto\Cipher\_raw_aesni.pyd
        • Size 15KB
        • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cpuid_c.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\Crypto\Util\_cpuid_c.pyd
        • Size 10KB
        • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _asyncio.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_asyncio.pyd
        • Size 70KB
        • SHA256 a5341a74bbec1ddc807c0236fcb6bfaceaf3b957eb69cdd9bca00657eb5e42b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_bz2.pyd
        • Size 83KB
        • SHA256 449058efc99fccb9e24d640084d845c78f3f86dd34c5c126cf69e523d6320d75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cffi_backend.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_cffi_backend.cp313-win_amd64.pyd
        • Size 176KB
        • SHA256 d5b09da2e726b4e90cf0edad5d2a0ec52f369dfd060e14d3807a32b2205031fa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_ctypes.pyd
        • Size 130KB
        • SHA256 5c0d5082fba1a2a3eb8d5e23073be25164c19f21304b09cecaab340dc7198815
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_decimal.pyd
        • Size 273KB
        • SHA256 4e27c06b84401039d10f800a0f06446b58508784ee366c7c8324d8fe9794e1a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_hashlib.pyd
        • Size 63KB
        • SHA256 52f29aebe9886e830dedc363cd64eb53b6830d84b26e14f1b6faa655a0900b5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_lzma.pyd
        • Size 155KB
        • SHA256 48f16b587c6faa44a9e073365b19599200b0f0a0ccb70121e76c2dac4ed53281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _multiprocessing.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_multiprocessing.pyd
        • Size 37KB
        • SHA256 82253e2d6ec717b317e26ed7dd141aadaea6cb55a9d0fee022a67d52b404fd06
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _overlapped.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_overlapped.pyd
        • Size 55KB
        • SHA256 7983f811ccd9c99c6db34b653339605ea45eb384f5e88a8b23ccf9fa5f0170d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_queue.pyd
        • Size 34KB
        • SHA256 af8ac8ab8b39f53b5dc192fbf58ad704a709db34e69753b97b83d087202e3a36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_socket.pyd
        • Size 83KB
        • SHA256 bced17d6f081d81ea7cd92f1e071e38f8840e61ee0fe1524221b776bcfa78650
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_sqlite3.pyd
        • Size 126KB
        • SHA256 8cba8b163393162e4a689d44488410d43b1d1b0a907499d0f01dbccf9c4ac10e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_ssl.pyd
        • Size 177KB
        • SHA256 3301ff340d26495c95108199b67fdf3402742d13070af8b6bf4eb2e0c5e13781
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\_wmi.pyd
        • Size 38KB
        • SHA256 ebd252d21af9c84128fca04c994093a5bd6ee857f1581f06f4026fdd6a2c40e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\base_library.zip
        • Size 1.3MB
        • SHA256 64e659d17e8acb1ad590a16b763c8659f977919da72c934a15c36a81b356eb48
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cd.cp313-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\charset_normalizer\cd.cp313-win_amd64.pyd
        • Size 10KB
        • SHA256 2e9f5049b3c5db7ab78c6abb94dfbbfe035ebab8f40594320f8c92221f486f24
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\libssl-3.dll
        • Size 776KB
        • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\pyexpat.pyd
        • Size 200KB
        • SHA256 554bbc65bfe8c19ba9bbd94f18977a8131109c6a4d64306778bd12250c2c5c56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\python3.DLL
        • Size 69KB
        • SHA256 fdd54b6c495e9278e73d68203fff0c300e416e704852908cf5b06666cffead51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\python313.dll
        • Size 5.8MB
        • SHA256 69fd86ea29370697c203f7e12830084f920f490766a8e3045af52c036a9ad529
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pywintypes313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\pywin32_system32\pywintypes313.dll
        • Size 133KB
        • SHA256 ea82e185e0bed58485a8df23712b62224f5e486dbb84d946115cad17512065cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\select.pyd
        • Size 31KB
        • SHA256 6393121130a3e85d0f6562948024d8614c4c144b84ab102af711c638344d1599
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\sqlite3.dll
        • Size 1.5MB
        • SHA256 441363c5b15394ca4b117200800722d48042c04407d03aac0d1a0a967b7c68e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\unicodedata.pyd
        • Size 695KB
        • SHA256 071494856fdad0042964769aa2fb1de4ea95c2cfcbe27cc7132293c68d13d710
        • MD5 SHA1 SHA512 SSDEEP TLSH

        win32crypt.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47362\win32\win32crypt.pyd
        • Size 123KB
        • SHA256 773c9f0ef15a6b4fffb3d8748ceb3d1e062616f29aa18fbccfb5f6df23493a46
        • MD5 SHA1 SHA512 SSDEEP TLSH