Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'tempdirr' = '"%APPDATA%\WindowsDefender\svchost.exe"'
Modifies file system
Creates the following files
- %TEMP%\onefile_5004_134126479877874037\main.dll
- %TEMP%\onefile_5004_134126479877874037\_bz2.pyd
- %TEMP%\onefile_5004_134126479877874037\_cffi_backend.pyd
- %TEMP%\onefile_5004_134126479877874037\_ctypes.pyd
- %TEMP%\onefile_5004_134126479877874037\_decimal.pyd
- %TEMP%\onefile_5004_134126479877874037\_elementtree.pyd
- %TEMP%\onefile_5004_134126479877874037\_hashlib.pyd
- %TEMP%\onefile_5004_134126479877874037\_lzma.pyd
- %TEMP%\onefile_5004_134126479877874037\_queue.pyd
- %TEMP%\onefile_5004_134126479877874037\_socket.pyd
- %TEMP%\onefile_5004_134126479877874037\_sqlite3.pyd
- %TEMP%\onefile_5004_134126479877874037\_ssl.pyd
- %TEMP%\onefile_5004_134126479877874037\_tkinter.pyd
- %TEMP%\onefile_5004_134126479877874037\_wmi.pyd
- %TEMP%\onefile_5004_134126479877874037\libcrypto-3.dll
- %TEMP%\onefile_5004_134126479877874037\libffi-8.dll
- %TEMP%\onefile_5004_134126479877874037\libssl-3.dll
- %TEMP%\onefile_5004_134126479877874037\pyexpat.pyd
- %TEMP%\onefile_5004_134126479877874037\python3.dll
- %TEMP%\onefile_5004_134126479877874037\python313.dll
- %TEMP%\onefile_5004_134126479877874037\pythoncom313.dll
- %TEMP%\onefile_5004_134126479877874037\pywintypes313.dll
- %TEMP%\onefile_5004_134126479877874037\select.pyd
- %TEMP%\onefile_5004_134126479877874037\sqlite3.dll
- %TEMP%\onefile_5004_134126479877874037\tcl86t.dll
- %TEMP%\onefile_5004_134126479877874037\tk86t.dll
- %TEMP%\onefile_5004_134126479877874037\unicodedata.pyd
- %TEMP%\onefile_5004_134126479877874037\vcruntime140.dll
- %TEMP%\onefile_5004_134126479877874037\vcruntime140_1.dll
- %TEMP%\onefile_5004_134126479877874037\win32clipboard.pyd
- %TEMP%\onefile_5004_134126479877874037\win32crypt.pyd
- %TEMP%\onefile_5004_134126479877874037\zlib1.dll
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_salsa20.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_aes.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_aesni.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_cbc.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_cfb.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_ctr.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_ecb.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_eksblowfish.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_ocb.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\cipher\_raw_ofb.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_blake2s.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_md5.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_sha1.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_sha224.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_sha256.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_sha384.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_sha512.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_ghash_clmul.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_ghash_portable.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\hash\_keccak.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\protocol\_scrypt.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\util\_cpuid_c.pyd
- %TEMP%\onefile_5004_134126479877874037\crypto\util\_strxor.pyd
- %TEMP%\onefile_5004_134126479877874037\pil\_imaging.pyd
- %TEMP%\onefile_5004_134126479877874037\pil\_imagingcms.pyd
- %TEMP%\onefile_5004_134126479877874037\pil\_imagingft.pyd
- %TEMP%\onefile_5004_134126479877874037\pil\_imagingmath.pyd
- %TEMP%\onefile_5004_134126479877874037\pil\_imagingtk.pyd
- %TEMP%\onefile_5004_134126479877874037\pil\_webp.pyd
- %TEMP%\onefile_5004_134126479877874037\certifi\cacert.pem
- %TEMP%\onefile_5004_134126479877874037\charset_normalizer\md.pyd
- %TEMP%\onefile_5004_134126479877874037\charset_normalizer\md__mypyc.pyd
- %TEMP%\onefile_5004_134126479877874037\cryptography\hazmat\bindings\_rust.pyd
- %TEMP%\onefile_5004_134126479877874037\psutil\_psutil_windows.pyd
- %APPDATA%\windowsdefender\svchost.exe
- %TEMP%\onefile_4368_134126479925748750\main.dll
- %TEMP%\onefile_4368_134126479925748750\_bz2.pyd
- %TEMP%\onefile_4368_134126479925748750\_cffi_backend.pyd
- %TEMP%\onefile_4368_134126479925748750\_ctypes.pyd
- %TEMP%\onefile_4368_134126479925748750\_decimal.pyd
- %TEMP%\onefile_4368_134126479925748750\_elementtree.pyd
- %TEMP%\onefile_4368_134126479925748750\_hashlib.pyd
- %TEMP%\onefile_4368_134126479925748750\_lzma.pyd
- %TEMP%\onefile_4368_134126479925748750\_queue.pyd
- %TEMP%\onefile_4368_134126479925748750\_socket.pyd
- %TEMP%\onefile_4368_134126479925748750\_sqlite3.pyd
- %TEMP%\onefile_4368_134126479925748750\_ssl.pyd
- %TEMP%\onefile_4368_134126479925748750\_tkinter.pyd
- %TEMP%\onefile_4368_134126479925748750\_wmi.pyd
- %TEMP%\onefile_4368_134126479925748750\libcrypto-3.dll
- %TEMP%\onefile_4368_134126479925748750\libffi-8.dll
- %TEMP%\onefile_4368_134126479925748750\libssl-3.dll
- %TEMP%\onefile_4368_134126479925748750\pyexpat.pyd
- %TEMP%\onefile_4368_134126479925748750\python3.dll
- %TEMP%\onefile_4368_134126479925748750\python313.dll
- %TEMP%\onefile_4368_134126479925748750\pythoncom313.dll
- %TEMP%\onefile_4368_134126479925748750\pywintypes313.dll
- %TEMP%\onefile_4368_134126479925748750\select.pyd
- %TEMP%\onefile_4368_134126479925748750\sqlite3.dll
- %TEMP%\onefile_4368_134126479925748750\tcl86t.dll
- %TEMP%\onefile_4368_134126479925748750\tk86t.dll
- %TEMP%\onefile_4368_134126479925748750\unicodedata.pyd
- %TEMP%\onefile_4368_134126479925748750\vcruntime140.dll
- %TEMP%\onefile_4368_134126479925748750\vcruntime140_1.dll
- %TEMP%\onefile_4368_134126479925748750\win32clipboard.pyd
- %TEMP%\onefile_4368_134126479925748750\win32crypt.pyd
- %TEMP%\onefile_4368_134126479925748750\zlib1.dll
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_salsa20.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_aes.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_aesni.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_cbc.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_cfb.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_ctr.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_ecb.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_eksblowfish.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_ocb.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\cipher\_raw_ofb.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_blake2s.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_md5.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_sha1.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_sha224.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_sha256.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_sha384.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_sha512.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_ghash_clmul.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_ghash_portable.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\hash\_keccak.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\protocol\_scrypt.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\util\_cpuid_c.pyd
- %TEMP%\onefile_4368_134126479925748750\crypto\util\_strxor.pyd
- %TEMP%\onefile_4368_134126479925748750\pil\_imaging.pyd
- %TEMP%\onefile_4368_134126479925748750\pil\_imagingcms.pyd
- %TEMP%\onefile_4368_134126479925748750\pil\_imagingft.pyd
- %TEMP%\onefile_4368_134126479925748750\pil\_imagingmath.pyd
- %TEMP%\onefile_4368_134126479925748750\pil\_imagingtk.pyd
- %TEMP%\onefile_4368_134126479925748750\pil\_webp.pyd
- %TEMP%\onefile_4368_134126479925748750\certifi\cacert.pem
- %TEMP%\onefile_4368_134126479925748750\charset_normalizer\md.pyd
- %TEMP%\onefile_4368_134126479925748750\charset_normalizer\md__mypyc.pyd
- %TEMP%\onefile_4368_134126479925748750\cryptography\hazmat\bindings\_rust.pyd
- %TEMP%\onefile_4368_134126479925748750\psutil\_psutil_windows.pyd
- %TEMP%\.sys_cache\client.log
Deletes following files that it created itself
- %TEMP%\onefile_5004_134126479877874037\vcruntime140.dll
Network activity
Connects to
- '<DNS_SERVER>':53
UDP
- DNS ASK pi#.#hronos.rip
Miscellaneous
Creates and executes the following
- '%APPDATA%\windowsdefender\svchost.exe'
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\attrib.exe' +h %APPDATA%\WindowsDefender
- '<SYSTEM32>\cmd.exe' /c "wmic bios get manufacturer"
- '<SYSTEM32>\wbem\wmic.exe' bios get manufacturer
- '<SYSTEM32>\cmd.exe' /c "wmic bios get manufacturer"' (with hidden window)
