Техническая информация
Для обеспечения автозапуска и распространения
Модифицирует следующие ключи реестра
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'WindowsSecurityService' = '"%APPDATA%\Microsoft\WindowsSecurity\WindowsSecurityService.exe"'
Создает или изменяет следующие файлы
- <SYSTEM32>\tasks\windowssecurityhealthservice
- <SYSTEM32>\tasks\windowssecurityhealthservice_periodic
- %APPDATA%\microsoft\windows\start menu\programs\startup\windowssecurityservice.exe
Изменения в файловой системе
Создает следующие файлы
- %TEMP%\_mei21602\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
- %TEMP%\_mei21602\pil\_avif.cp314-win_amd64.pyd
- %TEMP%\_mei21602\pil\_imaging.cp314-win_amd64.pyd
- %TEMP%\_mei21602\pil\_imagingcms.cp314-win_amd64.pyd
- %TEMP%\_mei21602\pil\_imagingmath.cp314-win_amd64.pyd
- %TEMP%\_mei21602\pil\_imagingtk.cp314-win_amd64.pyd
- %TEMP%\_mei21602\pil\_webp.cp314-win_amd64.pyd
- %TEMP%\_mei21602\vcruntime140.dll
- %TEMP%\_mei21602\vcruntime140_1.dll
- %TEMP%\_mei21602\_asyncio.pyd
- %TEMP%\_mei21602\_bz2.pyd
- %TEMP%\_mei21602\_ctypes.pyd
- %TEMP%\_mei21602\_decimal.pyd
- %TEMP%\_mei21602\_elementtree.pyd
- %TEMP%\_mei21602\_hashlib.pyd
- %TEMP%\_mei21602\_lzma.pyd
- %TEMP%\_mei21602\_multiprocessing.pyd
- %TEMP%\_mei21602\_overlapped.pyd
- %TEMP%\_mei21602\_queue.pyd
- %TEMP%\_mei21602\_socket.pyd
- %TEMP%\_mei21602\_ssl.pyd
- %TEMP%\_mei21602\_wmi.pyd
- %TEMP%\_mei21602\_zstd.pyd
- %TEMP%\_mei21602\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-fibers-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-fibers-l1-1-1.dll
- %TEMP%\_mei21602\api-ms-win-core-file-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\_mei21602\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-kernel32-legacy-l1-1-1.dll
- %TEMP%\_mei21602\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\_mei21602\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\_mei21602\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\_mei21602\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-sysinfo-l1-2-0.dll
- %TEMP%\_mei21602\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-private-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\_mei21602\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\_mei21602\base_library.zip
- %TEMP%\_mei21602\charset_normalizer\cd.cp314-win_amd64.pyd
- %TEMP%\_mei21602\charset_normalizer\md.cp314-win_amd64.pyd
- %TEMP%\_mei21602\libcrypto-3.dll
- %TEMP%\_mei21602\libffi-8.dll
- %TEMP%\_mei21602\libssl-3.dll
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\delvewheel
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\installer
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\metadata
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\record
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\wheel
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\entry_points.txt
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\license.txt
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\_core\include\numpy\libdivide\license.txt
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\_core\src\common\pythoncapi-compat\copying
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\_core\src\highway\license
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\_core\src\multiarray\dragon4_license.txt
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\_core\src\npysort\x86-simd-sort\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\_core\src\umath\svml\license
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\fft\pocketfft\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\linalg\lapack_lite\license.txt
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\ma\license
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\random\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\random\src\distributions\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\random\src\mt19937\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\random\src\pcg64\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\random\src\philox\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\random\src\sfc64\license.md
- %TEMP%\_mei21602\numpy-2.4.4.dist-info\licenses\numpy\random\src\splitmix64\license.md
- %TEMP%\_mei21602\numpy.libs\libscipy_openblas64_-63c857e738469261263c764a36be9436.dll
- %TEMP%\_mei21602\numpy.libs\msvcp140-a4c2229bdc2a2a630acdc095b4d86008.dll
- %TEMP%\_mei21602\numpy\_core\_multiarray_tests.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\_core\_multiarray_umath.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\fft\_pocketfft_umath.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\linalg\_umath_linalg.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\_bounded_integers.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\_common.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\_generator.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\_mt19937.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\_pcg64.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\_philox.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\_sfc64.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\bit_generator.cp314-win_amd64.pyd
- %TEMP%\_mei21602\numpy\random\mtrand.cp314-win_amd64.pyd
- %TEMP%\_mei21602\psutil\_psutil_windows.pyd
- %TEMP%\_mei21602\pyexpat.pyd
- %TEMP%\_mei21602\pyreadline3-3.5.4.dist-info\installer
- %TEMP%\_mei21602\pyreadline3-3.5.4.dist-info\license.md
- %TEMP%\_mei21602\pyreadline3-3.5.4.dist-info\metadata
- %TEMP%\_mei21602\pyreadline3-3.5.4.dist-info\record
- %TEMP%\_mei21602\pyreadline3-3.5.4.dist-info\wheel
- %TEMP%\_mei21602\pyreadline3-3.5.4.dist-info\top_level.txt
- %TEMP%\_mei21602\python3.dll
- %TEMP%\_mei21602\python314.dll
- %TEMP%\_mei21602\pywin32_system32\pywintypes314.dll
- %TEMP%\_mei21602\select.pyd
- %TEMP%\_mei21602\ucrtbase.dll
- %TEMP%\_mei21602\unicodedata.pyd
- %TEMP%\_mei21602\win32\win32api.pyd
- %TEMP%\_mei21602\win32\win32evtlog.pyd
- %TEMP%\_mei21602\win32\win32pdh.pyd
- %TEMP%\_mei21602\yaml\_yaml.cp314-win_amd64.pyd
- %APPDATA%\microsoft\windowssecurity\windowssecurityservice.exe
Присваивает атрибут 'скрытый' для следующих файлов
- %APPDATA%\microsoft\windowssecurity\windowssecurityservice.exe
Сетевая активность
UDP
- DNS ASK le#######vr.tail0bc2ab.ts.net
Другое
Перезапускает анализируемый образец
Запускает на исполнение
- '<SYSTEM32>\cmd.exe' /c "ver" (со скрытым окном)
- '<SYSTEM32>\cmd.exe' /c "attrib +h +s "%APPDATA%\Microsoft\WindowsSecurity\WindowsSecurityService.exe"" (со скрытым окном)
- '<SYSTEM32>\attrib.exe' +h +s "%APPDATA%\Microsoft\WindowsSecurity\WindowsSecurityService.exe"
- '<SYSTEM32>\cmd.exe' /c "schtasks /delete /tn "WindowsSecurityHealthService" /f" (со скрытым окном)
- '<SYSTEM32>\schtasks.exe' /delete /tn "WindowsSecurityHealthService" /f
- '<SYSTEM32>\cmd.exe' /c "schtasks /create /tn "WindowsSecurityHealthService" /tr "\"%APPDATA%\Microsoft\WindowsSecurity\WindowsSecurityService.exe\"" /sc onlogon /rl highest /f" (со скрытым окном)
- '<SYSTEM32>\schtasks.exe' /create /tn "WindowsSecurityHealthService" /tr "\"%APPDATA%\Microsoft\WindowsSecurity\WindowsSecurityService.exe\"" /sc onlogon /rl highest /f
- '<SYSTEM32>\cmd.exe' /c "schtasks /create /tn "WindowsSecurityHealthService_periodic" /tr "\"%APPDATA%\Microsoft\WindowsSecurity\WindowsSecurityService.exe\"" /sc minute /mo 15 /f" (со скрытым окном)
- '<SYSTEM32>\schtasks.exe' /create /tn "WindowsSecurityHealthService_periodic" /tr "\"%APPDATA%\Microsoft\WindowsSecurity\WindowsSecurityService.exe\"" /sc minute /mo 15 /f
- '<SYSTEM32>\cmd.exe' /c "powershell -c "Get-MpComputerStatus | Select-Object -Property AMRunningMode,AntivirusEnabled,RealTimeProtectionEnabled | Format-List"" (со скрытым окном)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -c "Get-MpComputerStatus | Select-Object -Property AMRunningMode,AntivirusEnabled,RealTimeProtectionEnabled | Format-List"
