Overview

overview

7

Static

static

3

keylogger/...er.exe

windows10-2004-x64

7

keylogger/...er.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 17:23

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General

  • Target
    keylogger/ThemeHelper.exe
  • Size 8.0MB
  • Sample261012-vx8ftaythy
  • SHA256 d77bf9aebbc22abf98692da3383c52e3a6cdbb51a5302288059a848ce561f9d4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
persistence

Malware Config

Signatures

  • Loads dropped DLL 18 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4100
  • C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe
    C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe
      C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4332

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\_bz2.pyd
        • Size 84KB
        • SHA256 65f610646d10d5babea080e060d244b546ec52c54012e5e937dc72dcc2e2e7bc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\_ctypes.pyd
        • Size 124KB
        • SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\_lzma.pyd
        • Size 157KB
        • SHA256 e3deecc1f59a3b811c608861decd84de1e8df8bafd5e2b39188861318c5a38cf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _queue.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\_queue.pyd
        • Size 32KB
        • SHA256 48e76e0ad63f6932b4a77b5819f41c1e7595636ca8d9e824f0943a14b8bb5035
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\base_library.zip
        • Size 1.3MB
        • SHA256 d5158cc3f3fd64209fc375b5951fe38dae9f56e2fedefe16613804d78982573d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python312.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\python312.dll
        • Size 6.6MB
        • SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008c82\unicodedata.pyd
        • Size 1.1MB
        • SHA256 208ee1cd3cbad0828433ca7246b05be2b1ff5569983d27d296c0b38888585488
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ThemeCache.txt
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
        • Size 956B
        • SHA256 5c70edea82e9d38c71b82783f6a1908483a65a8d938ae7ef2940edccb0c09d54
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ThemeCache.txt
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
        • Size 1KB
        • SHA256 c2d3333ce5c2e6a64ce1e5a68da2332b9a80c1445b8393a286c704c64cd0a85a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ThemeCache.txt
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
        • Size 1KB
        • SHA256 7557ad146723960851b5048775f9c1feda210a2426116439f28039111c7e5cd3
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ThemeCache.txt
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
        • Size 1KB
        • SHA256 da1f9245560b28fd89fdaf8f2cb709ed30696200a6c66b5b2eb1d88f9f382755
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ThemeCache.txt
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
        • Size 1KB
        • SHA256 45e6bc3de3f40a3aa5717ad3e71c55993f52f50fc3581fc4c20433195cafcb9b
        • MD5 SHA1 SHA512 TLSH
        Submit Download