Analysis

  • max time kernel
    2s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/08/2026, 21:28

General

  • Target
    Steam Tools Fixer/SteamToolFixer.exe
  • Size 18.0MB
  • Sample260809-1bb4dawcqd
  • SHA256 aa16e47fa7e1e667ce67f06b0c296ed2fe2e201f63267b18db9092540648c5f1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Steam Tools Fixer\SteamToolFixer.exe
    "C:\Users\Admin\AppData\Local\Temp\Steam Tools Fixer\SteamToolFixer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Users\Admin\AppData\Local\Temp\Steam Tools Fixer\SteamToolFixer.exe
      "C:\Users\Admin\AppData\Local\Temp\Steam Tools Fixer\SteamToolFixer.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:132

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
        • Size 211KB
        • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSVCP140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\MSVCP140.dll
        • Size 544KB
        • SHA256 0f885b509a685d2bbfa652fed26b5fb31d88fbdab0a978c641d1c7b8aa460aa9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _asyncio.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_asyncio.pyd
        • Size 76KB
        • SHA256 cc27a21453b309197030b5fa8051a8a9c89aec79f9b81ee4ea2a2551ac0f912f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _brotli.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_brotli.cp314-win_amd64.pyd
        • Size 836KB
        • SHA256 44f02bcf2b15519a487cf653e16b5f9c65f26d0be559592878988ad47148fc5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_bz2.pyd
        • Size 86KB
        • SHA256 ef5277eb670219274e7d1e92190ddf7f4bb94d4922ca1c1a12efadfd2c4c66f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _cffi_backend.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_cffi_backend.cp314-win_amd64.pyd
        • Size 177KB
        • SHA256 58bbe1eb15f9ab8e9ea45715a8311e2366b360d910a4685448bdd728d5177a01
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_ctypes.pyd
        • Size 139KB
        • SHA256 fd4847b99cd504a66bdc4739f15181b562774e6736bb88775880b073276dede1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_decimal.pyd
        • Size 283KB
        • SHA256 1ee2247153ec6c6e5b3b49402f294b2b7325385ad489a5522e6fa9b406575e8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _elementtree.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_elementtree.pyd
        • Size 135KB
        • SHA256 1f8259cc74aed52e4cd2de6cb1b54bec8b1725a84760c1c5b30ded49f652824a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_hashlib.pyd
        • Size 67KB
        • SHA256 9bc6ffcd2ab4ac87c4035f18b432e888d0d4a36795c97bf3f28ddf32cc34e40f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_lzma.pyd
        • Size 157KB
        • SHA256 39e5bc3624a26c9f6ad2e2df412543b0bd697a1d75338b44fe99763358d6d8cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _multiprocessing.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_multiprocessing.pyd
        • Size 37KB
        • SHA256 a8c15ee29f60536e00fd7c26c0315e062c4f018e2e46e7f6eb65c1fed0d886a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _overlapped.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_overlapped.pyd
        • Size 56KB
        • SHA256 0e8b684fdcc8c6de88bd4b92b6ed44a6fd917949c98b0691285e0cf6c760dc36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_queue.pyd
        • Size 35KB
        • SHA256 acf60e246f6a83a914fb6c411f04bd3eb8bba83070612ca44af99d74f06c5524
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_socket.pyd
        • Size 85KB
        • SHA256 65caaa6f35c329d901ba3f3d9f7fc4d7443dcde89907dccbd6748786cc517476
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_ssl.pyd
        • Size 180KB
        • SHA256 12e31f50739e33b115c7e10febf1ccedeb5d9353cd539c608cc5dd164bee17a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_uuid.pyd
        • Size 27KB
        • SHA256 635d6c46bbf6b86dd30a802bd1c6e214dabccb44d1452c52f0b557ae5bcc6f68
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_wmi.pyd
        • Size 39KB
        • SHA256 6fb2c6316628664319b2abcf961f0cbbac809966a65b653c86e7864ad8701496
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\_zstd.pyd
        • Size 491KB
        • SHA256 54e6acfbc1cb27c9afea0e133cadac68b89869ff1a14eb0c678d40eb9c655347
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\base_library.zip
        • Size 1.3MB
        • SHA256 2db808e0f4c7d30b2caab5987b8ce4680298caba25910d4649f115b290409b46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cd.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\charset_normalizer\cd.cp314-win_amd64.pyd
        • Size 10KB
        • SHA256 da3ce780d6d58ae8c6920b99f806f64d58a1b33f4a01382861b01b50549199f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ClrLoader.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\clr_loader\ffi\dlls\amd64\ClrLoader.dll
        • Size 10KB
        • SHA256 07f62bcb1b70320f221ffb2cfc5ce6133815195f3e7cdb8d833222506188c2ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 8b27ebae75cc99f20075322446af36c9ffcb4e3b400a77d712ef43f007f47f7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\libssl-3.dll
        • Size 776KB
        • SHA256 56dd50fb903b860ace831d0cd6c6250cd57e8655867c3a0fa16eac2d4cc0ba0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _psutil_windows.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\psutil\_psutil_windows.pyd
        • Size 69KB
        • SHA256 0035450801bd7d938e9e146c5ec28e619cb5a5f4a18cdc53ac7e9734c7f94f78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        INSTALLER

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\pycparser-3.0.dist-info\INSTALLER
        • Size 4B
        • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
        • MD5 SHA1 SHA512

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\pyexpat.pyd
        • Size 214KB
        • SHA256 9349be352300fef4b16da0574c670b174d75094574ab51f3d385767d1e3dfc0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\python3.DLL
        • Size 72KB
        • SHA256 f3d0cd260a46a9617a8b1d4d5e8703278478c22a910165bffb4e4ddf6562d93f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\python314.dll
        • Size 6.5MB
        • SHA256 18310593c50ad109fc5c95db1fd5c92ecec9e1bfc66c976df9fc11dd62616d5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Python.Runtime.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\pythonnet\runtime\Python.Runtime.dll
        • Size 435KB
        • SHA256 648e6b415be8f45018af71f377aa3a97772799b353ac3a5e8612a99313de4907
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\select.pyd
        • Size 32KB
        • SHA256 8c3ee20776d8eb7c441f2006ed46b9ba932060c6b66df4c1e156dcf7738d56ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\unicodedata.pyd
        • Size 740KB
        • SHA256 a7a2bfeed5d0480d8c458b3a61ee32c478ae10c694e8be61c3ba0e8cc2a6e1c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.html

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19042\web\index.html
        • Size 17KB
        • SHA256 43d77be716e6996b4ce27fe42c22aa7e6181937275328e6ce376bc2cf0e751ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/132-289-0x00000275D5F60000-0x00000275D5F7A000-memory.dmp

        memory/132-296-0x00000275D6180000-0x00000275D6190000-memory.dmp

        memory/132-286-0x00007FF816330000-0x00007FF81633A000-memory.dmp

        memory/132-288-0x00000275D6080000-0x00000275D60F4000-memory.dmp

        memory/132-282-0x00000275D6180000-0x00000275D6190000-memory.dmp

        memory/132-290-0x00000275D5F40000-0x00000275D5F48000-memory.dmp

        memory/132-291-0x00000275D5F80000-0x00000275D5F88000-memory.dmp

        memory/132-292-0x00000275D6020000-0x00000275D6028000-memory.dmp

        memory/132-293-0x00000275D6180000-0x00000275D6190000-memory.dmp

        memory/132-294-0x00000275D60B0000-0x00000275D60D2000-memory.dmp

        memory/132-295-0x00000275F0510000-0x00000275F0AB6000-memory.dmp

        memory/132-285-0x00000275D5F00000-0x00000275D5F0A000-memory.dmp

        memory/132-297-0x00000275D5F90000-0x00000275D5F98000-memory.dmp

        memory/132-298-0x00000275D5F90000-0x00000275D5F98000-memory.dmp

        memory/132-299-0x00000275D5F90000-0x00000275D5F98000-memory.dmp

        memory/132-300-0x00000275F0110000-0x00000275F01B2000-memory.dmp

        memory/132-301-0x00000275D5F90000-0x00000275D5F9E000-memory.dmp

        memory/132-303-0x00000275F01C0000-0x00000275F02C0000-memory.dmp

        memory/132-302-0x00000275D6180000-0x00000275D6190000-memory.dmp

        memory/132-305-0x00000275F0070000-0x00000275F0078000-memory.dmp

        memory/132-306-0x00000275D6180000-0x00000275D6190000-memory.dmp