Analysis

  • max time kernel
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/09/2026, 19:03

General

  • Target
    SyntaxEasyCTF.exe
  • Size 6.9MB
  • Sample260922-xqpq8sdd67
  • SHA256 93511db96ed1f5a8231fac4da5b1f8ed43ef24d8fdc5d2e2fafd10de2daa6bf4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 4 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\SyntaxEasyCTF.exe
    "C:\Users\Admin\AppData\Local\Temp\SyntaxEasyCTF.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6124
    • C:\Users\Admin\AppData\Local\Temp\SyntaxEasyCTF.exe
      "C:\Users\Admin\AppData\Local\Temp\SyntaxEasyCTF.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4636
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
        • Executes a command shell one-liner
        PID:3500

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\_bz2.pyd
        • Size 84KB
        • SHA256 b3dd7cea6d03342252834cebcc814af37d850b86d0627fa22b7f6990882f2f8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\_decimal.pyd
        • Size 276KB
        • SHA256 f55d81378a3261a7073fb71aee674152265b6f24ba6f375f9b939d5a117d8e6b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\_hashlib.pyd
        • Size 67KB
        • SHA256 1a3010b06c2fcd625dece3dd0883ca060e98b94adc062b06cb1a671cfc3b5caf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\_lzma.pyd
        • Size 155KB
        • SHA256 f20be6a9fee8fb5d53170c4bc24a39b48d3c0ccbe8e2000e60ff7d65b77c6ea1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\_socket.pyd
        • Size 84KB
        • SHA256 127a39d2198f17dd9b573904fe7e4040c7c8718753e6c4edee2ff6c35f487fac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\base_library.zip
        • Size 1.3MB
        • SHA256 c5648b71a46cde72cdae1ccaaa42b31aeb1a24143b8ea10ed41e76d316cd1ff9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\python313.dll
        • Size 5.8MB
        • SHA256 41ec4fc4e5bc8b207258590238f7f050b13fdfee84c4a7b1ecff6e945d031a10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\select.pyd
        • Size 32KB
        • SHA256 9cc1ef0264060099503592db57ee7d7c1f8d6bea689b2ed125919c7a30b7ab7f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI61242\unicodedata.pyd
        • Size 695KB
        • SHA256 1989628f16052f9123c5cf603e96490a75fde6228315457556f96a838bf9e904
        • MD5 SHA1 SHA512 SSDEEP TLSH