Trojan.Siggen32.59813

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'WindowsHealthService' = '%TEMP%\SysHealthTrayX64.exe'

Creates or modifies the following files

<SYSTEM32>\tasks\windowshealthservice

Modifies file system

Creates the following files

%TEMP%\_mei32202\vcruntime140.dll
%TEMP%\_mei32202\_bz2.pyd
%TEMP%\_mei32202\_ctypes.pyd
%TEMP%\_mei32202\_decimal.pyd
%TEMP%\_mei32202\_hashlib.pyd
%TEMP%\_mei32202\_lzma.pyd
%TEMP%\_mei32202\_socket.pyd
%TEMP%\_mei32202\_ssl.pyd
%TEMP%\_mei32202\_zstd.pyd
%TEMP%\_mei32202\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-fibers-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-fibers-l1-1-1.dll
%TEMP%\_mei32202\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-kernel32-legacy-l1-1-1.dll
%TEMP%\_mei32202\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei32202\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-sysinfo-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei32202\base_library.zip
%TEMP%\_mei32202\libcrypto-3.dll
%TEMP%\_mei32202\libffi-8.dll
%TEMP%\_mei32202\libssl-3.dll
%TEMP%\_mei32202\python314.dll
%TEMP%\_mei32202\select.pyd
%TEMP%\_mei32202\ucrtbase.dll
%TEMP%\_mei32202\unicodedata.pyd
%TEMP%\stager_debug.txt
%TEMP%\syshealthtrayx64.exe
%TEMP%\_mei47842\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
%TEMP%\_mei47842\pil\_avif.cp314-win_amd64.pyd
%TEMP%\_mei47842\pil\_imaging.cp314-win_amd64.pyd
%TEMP%\_mei47842\pil\_imagingcms.cp314-win_amd64.pyd
%TEMP%\_mei47842\pil\_imagingmath.cp314-win_amd64.pyd
%TEMP%\_mei47842\pil\_imagingtk.cp314-win_amd64.pyd
%TEMP%\_mei47842\pil\_webp.cp314-win_amd64.pyd
%TEMP%\_mei47842\vcruntime140.dll
%TEMP%\_mei47842\vcruntime140_1.dll
%TEMP%\_mei47842\_asyncio.pyd
%TEMP%\_mei47842\_bz2.pyd
%TEMP%\_mei47842\_ctypes.pyd
%TEMP%\_mei47842\_decimal.pyd
%TEMP%\_mei47842\_elementtree.pyd
%TEMP%\_mei47842\_hashlib.pyd
%TEMP%\_mei47842\_lzma.pyd
%TEMP%\_mei47842\_multiprocessing.pyd
%TEMP%\_mei47842\_overlapped.pyd
%TEMP%\_mei47842\_queue.pyd
%TEMP%\_mei47842\_socket.pyd
%TEMP%\_mei47842\_ssl.pyd
%TEMP%\_mei47842\_wmi.pyd
%TEMP%\_mei47842\_zstd.pyd
%TEMP%\_mei47842\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-fibers-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-fibers-l1-1-1.dll
%TEMP%\_mei47842\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei47842\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-kernel32-legacy-l1-1-1.dll
%TEMP%\_mei47842\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei47842\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei47842\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei47842\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-sysinfo-l1-2-0.dll
%TEMP%\_mei47842\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-private-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei47842\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei47842\base_library.zip
%TEMP%\_mei47842\charset_normalizer\cd.cp314-win_amd64.pyd
%TEMP%\_mei47842\charset_normalizer\md.cp314-win_amd64.pyd
%TEMP%\_mei47842\libcrypto-3.dll
%TEMP%\_mei47842\libffi-8.dll
%TEMP%\_mei47842\libssl-3.dll
%TEMP%\_mei47842\numpy-2.4.6.dist-info\delvewheel
%TEMP%\_mei47842\numpy-2.4.6.dist-info\installer
%TEMP%\_mei47842\numpy-2.4.6.dist-info\metadata
%TEMP%\_mei47842\numpy-2.4.6.dist-info\record
%TEMP%\_mei47842\numpy-2.4.6.dist-info\wheel
%TEMP%\_mei47842\numpy-2.4.6.dist-info\entry_points.txt
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\license.txt
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\_core\include\numpy\libdivide\license.txt
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\_core\src\common\pythoncapi-compat\copying
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\_core\src\highway\license
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\_core\src\multiarray\dragon4_license.txt
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\_core\src\npysort\x86-simd-sort\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\_core\src\umath\svml\license
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\fft\pocketfft\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\linalg\lapack_lite\license.txt
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\ma\license
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\random\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\random\src\distributions\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\random\src\mt19937\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\random\src\pcg64\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\random\src\philox\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\random\src\sfc64\license.md
%TEMP%\_mei47842\numpy-2.4.6.dist-info\licenses\numpy\random\src\splitmix64\license.md
%TEMP%\_mei47842\numpy.libs\libscipy_openblas64_-63c857e738469261263c764a36be9436.dll
%TEMP%\_mei47842\numpy.libs\msvcp140-a4c2229bdc2a2a630acdc095b4d86008.dll
%TEMP%\_mei47842\numpy\_core\_multiarray_tests.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\_core\_multiarray_umath.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\fft\_pocketfft_umath.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\linalg\_umath_linalg.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\_bounded_integers.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\_common.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\_generator.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\_mt19937.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\_pcg64.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\_philox.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\_sfc64.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\bit_generator.cp314-win_amd64.pyd
%TEMP%\_mei47842\numpy\random\mtrand.cp314-win_amd64.pyd
%TEMP%\_mei47842\psutil\_psutil_windows.pyd
%TEMP%\_mei47842\pyexpat.pyd
%TEMP%\_mei47842\python3.dll
%TEMP%\_mei47842\python314.dll
%TEMP%\_mei47842\pywin32_system32\pywintypes314.dll
%TEMP%\_mei47842\select.pyd
%TEMP%\_mei47842\ucrtbase.dll
%TEMP%\_mei47842\unicodedata.pyd
%TEMP%\_mei47842\win32\win32pdh.pyd
%TEMP%\payload_debug.txt
%TEMP%\cleanup.bat
nul

Sets the 'hidden' attribute to the following files

%TEMP%\syshealthtrayx64.exe

Deletes following files that it created itself

%TEMP%\_mei32202\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-fibers-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-fibers-l1-1-1.dll
%TEMP%\_mei32202\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-kernel32-legacy-l1-1-1.dll
%TEMP%\_mei32202\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei32202\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-sysinfo-l1-2-0.dll
%TEMP%\_mei32202\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei32202\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei32202\base_library.zip
%TEMP%\_mei32202\libcrypto-3.dll
%TEMP%\_mei32202\libffi-8.dll
%TEMP%\_mei32202\libssl-3.dll
%TEMP%\_mei32202\python314.dll
%TEMP%\_mei32202\select.pyd
%TEMP%\_mei32202\ucrtbase.dll
%TEMP%\_mei32202\unicodedata.pyd
%TEMP%\_mei32202\vcruntime140.dll
%TEMP%\_mei32202\_bz2.pyd
%TEMP%\_mei32202\_ctypes.pyd
%TEMP%\_mei32202\_decimal.pyd
%TEMP%\_mei32202\_hashlib.pyd
%TEMP%\_mei32202\_lzma.pyd
%TEMP%\_mei32202\_socket.pyd
%TEMP%\_mei32202\_ssl.pyd
%TEMP%\_mei32202\_zstd.pyd

Deletes itself.

Network activity

Connects to

'64.##1.196.11':4444
'64.##1.196.11':4443

TCP

HTTP GET requests

http://64.###.196.11:4444/payload.exe via 64.##1.196.11

Other

'64.##1.196.11':4443

Miscellaneous

Creates and executes the following

'%TEMP%\syshealthtrayx64.exe'

Restarts the analyzed sample

Executes the following

'<SYSTEM32>\cmd.exe' /c "schtasks /create /tn "WindowsHealthService" /tr "%TEMP%\SysHealthTrayX64.exe" /sc onlogon /f"
'<SYSTEM32>\schtasks.exe' /create /tn "WindowsHealthService" /tr "%TEMP%\SysHealthTrayX64.exe" /sc onlogon /f
'<SYSTEM32>\cmd.exe' /c "wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv"
'<SYSTEM32>\wbem\wmic.exe' /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv
'<SYSTEM32>\cmd.exe' /c "%TEMP%\cleanup.bat"
'<SYSTEM32>\timeout.exe' /t 1 /nobreak
'<SYSTEM32>\cmd.exe' /c "schtasks /create /tn "WindowsHealthService" /tr "%TEMP%\SysHealthTrayX64.exe" /sc onlogon /f"' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "wmic /namespace:\\root\securitycenter2 path antivirusproduct get displayname /format:csv"' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "%TEMP%\cleanup.bat"' (with hidden window)

技术

术语

教育培训

误区

Technical Information

Curing recommendations

Free trial