Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 18:57

General

  • Target
    Syntax.exe
  • Size 6.5MB
  • Sample260922-xmervsdc99
  • SHA256 cd0b0f4d2e625e1be072a602e3bbcdc5c5147810ce5ff83b53fcdf46c655cf82
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Syntax.exe
    "C:\Users\Admin\AppData\Local\Temp\Syntax.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\Syntax.exe
      "C:\Users\Admin\AppData\Local\Temp\Syntax.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4292
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
        • Executes a command shell one-liner
        PID:4772

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\VCRUNTIME140.dll
        • Size 96KB
        • SHA256 d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\_bz2.pyd
        • Size 81KB
        • SHA256 5843872d5e2b08f138a71fe9ba94813afee59c8b48166d4a8eb0f606107a7e80
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\_decimal.pyd
        • Size 245KB
        • SHA256 d0df57988a74acd50b2d261e8b5f2c25da7b940ec2aafbee444c277552421e6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\_hashlib.pyd
        • Size 62KB
        • SHA256 39bc615842a176db72d4e0558f3cdcae23ab0623ad132f815d21dcfbfd4b110e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\_lzma.pyd
        • Size 154KB
        • SHA256 613de58e4a9a80eff8f8bc45c350a6eaebf89f85ffd2d7e3b0b266bf0888a60a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\_socket.pyd
        • Size 76KB
        • SHA256 39715ef8d043354f0ab15f62878530a38518fb6192bc48da6a098498e8d35769
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\base_library.zip
        • Size 1.4MB
        • SHA256 019f576a81bd83ff2ecb1d5d7bfd3971f7b6e74ade8a46f91fcf844e88ef1508
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-1_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\libcrypto-1_1.dll
        • Size 3.3MB
        • SHA256 976ce72efd0a8aeeb6e21ad441aa9138434314ea07f777432205947cdb149541
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python311.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\python311.dll
        • Size 5.5MB
        • SHA256 a0cf640e756875c25c12b4a38ba5f2772e8e512036e2ac59eb8567bf05ffbfb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\select.pyd
        • Size 28KB
        • SHA256 0046eb32f873cde62cf29af02687b1dd43154e9fd10e0aa3d8353d3debb38790
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI13762\unicodedata.pyd
        • Size 1.1MB
        • SHA256 ecf7836aa0d36b5880eb6f799ec402b1f2e999f78bfff6fb9a942d1d8d0b9baa
        • MD5 SHA1 SHA512 SSDEEP TLSH