Analysis

  • max time kernel
    898s
  • max time network
    773s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/08/2026, 13:45

General

  • Target
    system_updater.exe
  • Size 6.7MB
  • Sample260821-q2te8sbf59
  • SHA256 bb7375cc656a1b54558fb044c50a2dceece874c7ab0ed8ede32a2c6bfed2e533
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
upx

Malware Config

Signatures

  • Loads dropped DLL 7 IoCs
  • UPX packed file 23 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\system_updater.exe
    "C:\Users\Admin\AppData\Local\Temp\system_updater.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Users\Admin\AppData\Local\Temp\system_updater.exe
      "C:\Users\Admin\AppData\Local\Temp\system_updater.exe"
      2⤵
      • Loads dropped DLL
      PID:2492

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\VCRUNTIME140.dll
        • Size 116KB
        • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\_bz2.pyd
        • Size 48KB
        • SHA256 2fa654b026c1ebe9587e46a4ce9122515504f9865e0838ad17a5f0697511c263
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\_ctypes.pyd
        • Size 58KB
        • SHA256 5674fd92d1b14b2f20b42d7bbbbbcd4100e3593234d571c4b8b644d88c15eb43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\_decimal.pyd
        • Size 107KB
        • SHA256 8c8bd47ea2d2a7c3b250e44d0345c9d0965a699376f8c684845573145882d8db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\_hashlib.pyd
        • Size 35KB
        • SHA256 72d9a389107c7bdef1dfcde90c3a0e7c47a7ad818de2958c101d8475a23815d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\_lzma.pyd
        • Size 86KB
        • SHA256 061631f54228d288a90cc73d674fb051e8c398ff72013c460b83ed08e58a140c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\_socket.pyd
        • Size 43KB
        • SHA256 4ce0e6a88096e961041fee7209bd1b537e45040bc7b6798a2b9160baffeaa9c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-console-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-console-l1-1-0.dll
        • Size 21KB
        • SHA256 88ace577a9c51061cb7d1a36babbbefa48212fadc838ffde98fdfff60de18386
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-datetime-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-datetime-l1-1-0.dll
        • Size 21KB
        • SHA256 1bd81dfd19204b44662510d9054852fb77c9f25c1088d647881c9b976cc16818
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-debug-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-debug-l1-1-0.dll
        • Size 21KB
        • SHA256 591358eb4d1531e9563ee0813e4301c552ce364c912ce684d16576eabf195dc3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-errorhandling-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-errorhandling-l1-1-0.dll
        • Size 21KB
        • SHA256 d56ce7b1cd76108ad6c137326ec694a14c99d48c3d7b0ace8c3ff4d9bcee3ce8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-fibers-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-fibers-l1-1-0.dll
        • Size 21KB
        • SHA256 91d249d7bc0e38ef6bcb17158b1fdc6dd8888dc086615c9b8b750b87e52a5fb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-fibers-l1-1-1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-fibers-l1-1-1.dll
        • Size 21KB
        • SHA256 fc9d86cec621383eab636ebc87ddd3f5c19a3cb2a33d97be112c051d0b275429
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-file-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-file-l1-1-0.dll
        • Size 25KB
        • SHA256 1ca895aba4e7435563a6b43e85eba67a0f8c74aa6a6a94d0fc48fa35535e2585
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-file-l1-2-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-file-l1-2-0.dll
        • Size 21KB
        • SHA256 4cadbc0c39da7c6722206fdcebd670abe5b8d261e7b041dd94f9397a89d1990d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-file-l2-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-file-l2-1-0.dll
        • Size 21KB
        • SHA256 93c624b366ba16c643fc8933070a26f03b073ad0cf7f80173266d67536c61989
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-handle-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-handle-l1-1-0.dll
        • Size 21KB
        • SHA256 39095f59c41d76ec81bb2723d646fde4c148e7cc3402f4980d2ade95cb9c84f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-heap-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-heap-l1-1-0.dll
        • Size 21KB
        • SHA256 8f105771b236dbcb859de271f0a6822ce1cb79c36988dd42c9e3f6f55c5f7eb9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-interlocked-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-interlocked-l1-1-0.dll
        • Size 21KB
        • SHA256 53b25e753ca785bf8b695d89dde5818a318890211dc992a89146f16658f0b606
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-kernel32-legacy-l1-1-1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-kernel32-legacy-l1-1-1.dll
        • Size 21KB
        • SHA256 a9b13a1cd1b8c19b0c6b4afcd5bb0dd29c0e2288231ac9e6db8510094ce68ba6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-libraryloader-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-libraryloader-l1-1-0.dll
        • Size 21KB
        • SHA256 7f39ba298b41e4963047341288cab36b6a241835ee11ba4ad70f44dacd40906c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-localization-l1-2-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-localization-l1-2-0.dll
        • Size 21KB
        • SHA256 6ee44dd0d8510dc024c9f7c79b1b9fa88c987b26b6beb6653ddd11751c34e5dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-memory-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-memory-l1-1-0.dll
        • Size 21KB
        • SHA256 0512a35316ec9180437f86696a84c5c06a7e4e82e050055a656e5bf9fca206f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-namedpipe-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-namedpipe-l1-1-0.dll
        • Size 21KB
        • SHA256 c05f1fffe3b5a2738ea54ce9485cca026fb9635f982626fba1e1dcc531897273
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-processenvironment-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-processenvironment-l1-1-0.dll
        • Size 21KB
        • SHA256 c4eca98c3c67b6395d5b005b00ac1eb0318b86b23aa71035a44c2b1602befba9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-processthreads-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-processthreads-l1-1-0.dll
        • Size 21KB
        • SHA256 5ccb89e93d67bc3288d4e84649c5346e66e15e3d7cd65d989daf3f4cb584be9a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-processthreads-l1-1-1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-processthreads-l1-1-1.dll
        • Size 21KB
        • SHA256 4ad565a8ba3ef0ea8ab87221ad11f83ee0bc844ce236607958406663b407333e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-profile-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-profile-l1-1-0.dll
        • Size 21KB
        • SHA256 7809160932f44e59b021699f5bc68799eb7293ee1fa926d6fcca3c3445302e61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-rtlsupport-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-rtlsupport-l1-1-0.dll
        • Size 21KB
        • SHA256 9dc1e91e71c7c054854bd1487cb4e6946d82c9f463430f1c4e8d1471005172b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-string-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-string-l1-1-0.dll
        • Size 21KB
        • SHA256 60fc31d2a0c634412f529dba76af3b9bf991352877c6dae528186d3935704cfd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-synch-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-synch-l1-1-0.dll
        • Size 21KB
        • SHA256 3a72b4f29f39a265d32ad12f0ce15dbf60129c840e10d84d427829ede45e78ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-synch-l1-2-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-synch-l1-2-0.dll
        • Size 21KB
        • SHA256 efc1e4460984a73cf47a3def033af1c8f3b1dbc1a56cd27781d3aacf3e3330cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-sysinfo-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-sysinfo-l1-1-0.dll
        • Size 21KB
        • SHA256 b203d862ddef1dd62bf623fc866c7f7a9c317c1c2ae30d1f52cb41f955b5698e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-sysinfo-l1-2-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-sysinfo-l1-2-0.dll
        • Size 21KB
        • SHA256 2703635d835396afd0f138d7c73751afe7e33a24f4225d08c1690b0a371932c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-timezone-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-timezone-l1-1-0.dll
        • Size 21KB
        • SHA256 33f4fddc181066fce06b2227bded813f95e94ed1f3d785e982c6b6b56c510c57
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-core-util-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-core-util-l1-1-0.dll
        • Size 21KB
        • SHA256 6eda016742a6171205a387a14b3c0b331841567740376f56768f8c151724207d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-conio-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-conio-l1-1-0.dll
        • Size 21KB
        • SHA256 b762061b688aae679afe788904d2c9970f74a7dac98f3b42463d08f25e483d3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-convert-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-convert-l1-1-0.dll
        • Size 25KB
        • SHA256 ebb2ae5535a64f65daeab8235585114fc9dd2cf1a49f5852d446250b998b6ae4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-environment-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-environment-l1-1-0.dll
        • Size 21KB
        • SHA256 17d63275d00bdd8670422b95bd264c532998e0a1b041079e54fce4b6b7a55819
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-filesystem-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-filesystem-l1-1-0.dll
        • Size 21KB
        • SHA256 9a9e2a65a281644e368d0f272b95ba5f6b445d1c35910d06056c5ebeb77402db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-heap-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-heap-l1-1-0.dll
        • Size 21KB
        • SHA256 bab9ac3ec83e380ae51e4295ef3bf2c738627812d3a49d1e713661abbc8dc57a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-locale-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-locale-l1-1-0.dll
        • Size 21KB
        • SHA256 bd14c67ea28e21d6257ad780a37122c9b5773f69e693f5db6bffaee4d839526e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-math-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-math-l1-1-0.dll
        • Size 29KB
        • SHA256 606d66d82db562ea7979179d06486a0f94d079941d26b80a1e2c49d29959df6f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-process-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-process-l1-1-0.dll
        • Size 21KB
        • SHA256 f6156b1020380ec4f0e48577ebedaaef5fb1ab1f337d8b4e72e6a33a7567a9cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-runtime-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-runtime-l1-1-0.dll
        • Size 25KB
        • SHA256 c5902934d026d7e15fbe9917d474f3322846a41a25e66f4b2b1f758801879f4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-stdio-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-stdio-l1-1-0.dll
        • Size 25KB
        • SHA256 a9c5a153d8c0286f9b41a2b1c65854ad9e6471b8755b7de87bae4470e60bcab6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-string-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-string-l1-1-0.dll
        • Size 25KB
        • SHA256 25b8f83a7767211b11132775a0e27a45aa4ec8ab4e6572599f9c172ae3606b40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-time-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-time-l1-1-0.dll
        • Size 21KB
        • SHA256 7c7f6393f06de11750adb09cc5698ae55cd9fb27b2e51e207286feb1b5b2b156
        • MD5 SHA1 SHA512 SSDEEP TLSH

        api-ms-win-crt-utility-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\api-ms-win-crt-utility-l1-1-0.dll
        • Size 21KB
        • SHA256 d8ba5f17b9ffcbf3aeaf3fa1da226832d2fa90f81acce0cd669464e76ce434ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\base_library.zip
        • Size 1.4MB
        • SHA256 94d5f8b858b199a3073d7ca61ae7afc36f4588c7f91e2474d81b68b12e24ad86
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\libcrypto-3.dll
        • Size 1.6MB
        • SHA256 8155e6bcfd9e4a6c5192a35c1173dc29527e2a60b698e5c9e1bc24174bb8cb14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\libffi-8.dll
        • Size 29KB
        • SHA256 ced71befa72b674586413bdf9db7d93eb734e7ed28fbe5cc66b505f729442c46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python311.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\python311.dll
        • Size 1.6MB
        • SHA256 9a5b412406e9cfcc5564c2fbdb546bcb36dc83e99349a85048bce337b1e329a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\select.pyd
        • Size 25KB
        • SHA256 edb347796da9c12dc58d2ead7272240684347c0ee73e52d9537cf80664317b2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\ucrtbase.dll
        • Size 1.3MB
        • SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI12922\unicodedata.pyd
        • Size 295KB
        • SHA256 f287493f053a1933c0808fef2ec3d26f27fa2a15d750ef2979d5d8a35e4aa05f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2492-125-0x00007FF92A0D0000-0x00007FF92A0F4000-memory.dmp

        memory/2492-123-0x00007FF929B50000-0x00007FF929B7D000-memory.dmp

        memory/2492-122-0x00007FF92A0A0000-0x00007FF92A0B9000-memory.dmp

        memory/2492-68-0x00007FF92A0D0000-0x00007FF92A0F4000-memory.dmp

        memory/2492-69-0x00007FF92A0C0000-0x00007FF92A0CF000-memory.dmp

        memory/2492-124-0x00007FF9157F0000-0x00007FF915DE2000-memory.dmp

        memory/2492-135-0x00007FF929B50000-0x00007FF929B7D000-memory.dmp

        memory/2492-132-0x00007FF92A0C0000-0x00007FF92A0CF000-memory.dmp

        memory/2492-62-0x00007FF9157F0000-0x00007FF915DE2000-memory.dmp

        memory/2492-131-0x00007FF9157F0000-0x00007FF915DE2000-memory.dmp

        memory/2492-134-0x00007FF92A0A0000-0x00007FF92A0B9000-memory.dmp

        memory/2492-133-0x00007FF92A0D0000-0x00007FF92A0F4000-memory.dmp