Trojan.Siggen33.3013

Technical Information

Malicious functions

Patches code

in AMSI dll

zkp00wvoeunzwydm.exe process, Amsi.dll module

in NTDLL dll

zkp00wvoeunzwydm.exe process, ntdll.dll module

Modifies file system

Creates the following files

%TEMP%\_mei19602\crypto\cipher\_arc4.pyd
%TEMP%\_mei19602\crypto\cipher\_salsa20.pyd
%TEMP%\_mei19602\crypto\cipher\_chacha20.pyd
%TEMP%\_mei19602\crypto\cipher\_pkcs1_decode.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_aes.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_aesni.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_arc2.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_blowfish.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_cast.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_cbc.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_cfb.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ctr.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_des.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_des3.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ecb.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_eksblowfish.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ocb.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ofb.pyd
%TEMP%\_mei19602\crypto\hash\_blake2b.pyd
%TEMP%\_mei19602\crypto\hash\_blake2s.pyd
%TEMP%\_mei19602\crypto\hash\_md2.pyd
%TEMP%\_mei19602\crypto\hash\_md4.pyd
%TEMP%\_mei19602\crypto\hash\_md5.pyd
%TEMP%\_mei19602\crypto\hash\_ripemd160.pyd
%TEMP%\_mei19602\crypto\hash\_sha1.pyd
%TEMP%\_mei19602\crypto\hash\_sha224.pyd
%TEMP%\_mei19602\crypto\hash\_sha256.pyd
%TEMP%\_mei19602\crypto\hash\_sha384.pyd
%TEMP%\_mei19602\crypto\hash\_sha512.pyd
%TEMP%\_mei19602\crypto\hash\_ghash_clmul.pyd
%TEMP%\_mei19602\crypto\hash\_ghash_portable.pyd
%TEMP%\_mei19602\crypto\hash\_keccak.pyd
%TEMP%\_mei19602\crypto\hash\_poly1305.pyd
%TEMP%\_mei19602\crypto\math\_modexp.pyd
%TEMP%\_mei19602\crypto\protocol\_scrypt.pyd
%TEMP%\_mei19602\crypto\publickey\_curve25519.pyd
%TEMP%\_mei19602\crypto\publickey\_curve448.pyd
%TEMP%\_mei19602\crypto\publickey\_ec_ws.pyd
%TEMP%\_mei19602\crypto\publickey\_ed25519.pyd
%TEMP%\_mei19602\crypto\publickey\_ed448.pyd
%TEMP%\_mei19602\crypto\util\_cpuid_c.pyd
%TEMP%\_mei19602\crypto\util\_strxor.pyd
%TEMP%\_mei19602\vcruntime140.dll
%TEMP%\_mei19602\vcruntime140_1.dll
%TEMP%\_mei19602\_asyncio.pyd
%TEMP%\_mei19602\_bz2.pyd
%TEMP%\_mei19602\_cffi_backend.cp314-win_amd64.pyd
%TEMP%\_mei19602\_ctypes.pyd
%TEMP%\_mei19602\_decimal.pyd
%TEMP%\_mei19602\_hashlib.pyd
%TEMP%\_mei19602\_lzma.pyd
%TEMP%\_mei19602\_multiprocessing.pyd
%TEMP%\_mei19602\_overlapped.pyd
%TEMP%\_mei19602\_queue.pyd
%TEMP%\_mei19602\_socket.pyd
%TEMP%\_mei19602\_ssl.pyd
%TEMP%\_mei19602\_wmi.pyd
%TEMP%\_mei19602\_zstd.pyd
%TEMP%\_mei19602\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-fibers-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-fibers-l1-1-1.dll
%TEMP%\_mei19602\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-kernel32-legacy-l1-1-1.dll
%TEMP%\_mei19602\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei19602\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-sysinfo-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei19602\base_library.zip
%TEMP%\_mei19602\libcrypto-3.dll
%TEMP%\_mei19602\libffi-8.dll
%TEMP%\_mei19602\libssl-3.dll
%TEMP%\_mei19602\psutil\_psutil_windows.pyd
%TEMP%\_mei19602\pyexpat.pyd
%TEMP%\_mei19602\python3.dll
%TEMP%\_mei19602\python314.dll
%TEMP%\_mei19602\select.pyd
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\installer
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\metadata
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\record
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\wheel
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\licenses\license
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\top_level.txt
%TEMP%\_mei19602\setuptools\_vendor\jaraco\text\lorem ipsum.txt
%TEMP%\_mei19602\ucrtbase.dll
%TEMP%\_mei19602\unicodedata.pyd
%TEMP%\v4mhy7lb
%TEMP%\tmpmpq1om8b\fvdcfdssdfdsrf.exe
%TEMP%\bnd_abe0d8d2\everything.exe
%TEMP%\bnd_abe0d8d2\zkp00wvoeunzwydm.exe
%LOCALAPPDATA%\microsoft\clr_v4.0\usagelogs\fvdcfdssdfdsrf.exe.log

Deletes following files that it created itself

%TEMP%\v4mhy7lb
%TEMP%\_mei19602\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-fibers-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-fibers-l1-1-1.dll
%TEMP%\_mei19602\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-kernel32-legacy-l1-1-1.dll
%TEMP%\_mei19602\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei19602\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-sysinfo-l1-2-0.dll
%TEMP%\_mei19602\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei19602\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei19602\base_library.zip
%TEMP%\_mei19602\crypto\cipher\_arc4.pyd
%TEMP%\_mei19602\crypto\cipher\_chacha20.pyd
%TEMP%\_mei19602\crypto\cipher\_pkcs1_decode.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_aes.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_aesni.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_arc2.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_blowfish.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_cast.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_cbc.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_cfb.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ctr.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_des.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_des3.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ecb.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_eksblowfish.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ocb.pyd
%TEMP%\_mei19602\crypto\cipher\_raw_ofb.pyd
%TEMP%\_mei19602\crypto\cipher\_salsa20.pyd
%TEMP%\_mei19602\crypto\hash\_blake2b.pyd
%TEMP%\_mei19602\crypto\hash\_blake2s.pyd
%TEMP%\_mei19602\crypto\hash\_ghash_clmul.pyd
%TEMP%\_mei19602\crypto\hash\_ghash_portable.pyd
%TEMP%\_mei19602\crypto\hash\_keccak.pyd
%TEMP%\_mei19602\crypto\hash\_md2.pyd
%TEMP%\_mei19602\crypto\hash\_md4.pyd
%TEMP%\_mei19602\crypto\hash\_md5.pyd
%TEMP%\_mei19602\crypto\hash\_poly1305.pyd
%TEMP%\_mei19602\crypto\hash\_ripemd160.pyd
%TEMP%\_mei19602\crypto\hash\_sha1.pyd
%TEMP%\_mei19602\crypto\hash\_sha224.pyd
%TEMP%\_mei19602\crypto\hash\_sha256.pyd
%TEMP%\_mei19602\crypto\hash\_sha384.pyd
%TEMP%\_mei19602\crypto\hash\_sha512.pyd
%TEMP%\_mei19602\crypto\math\_modexp.pyd
%TEMP%\_mei19602\crypto\protocol\_scrypt.pyd
%TEMP%\_mei19602\crypto\publickey\_curve25519.pyd
%TEMP%\_mei19602\crypto\publickey\_curve448.pyd
%TEMP%\_mei19602\crypto\publickey\_ec_ws.pyd
%TEMP%\_mei19602\crypto\publickey\_ed25519.pyd
%TEMP%\_mei19602\crypto\publickey\_ed448.pyd
%TEMP%\_mei19602\crypto\util\_cpuid_c.pyd
%TEMP%\_mei19602\crypto\util\_strxor.pyd
%TEMP%\_mei19602\libcrypto-3.dll
%TEMP%\_mei19602\libffi-8.dll
%TEMP%\_mei19602\libssl-3.dll
%TEMP%\_mei19602\psutil\_psutil_windows.pyd
%TEMP%\_mei19602\pyexpat.pyd
%TEMP%\_mei19602\python3.dll
%TEMP%\_mei19602\python314.dll
%TEMP%\_mei19602\select.pyd
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\installer
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\licenses\license
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\metadata
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\record
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\top_level.txt
%TEMP%\_mei19602\setuptools\_vendor\importlib_metadata-8.7.1.dist-info\wheel
%TEMP%\_mei19602\setuptools\_vendor\jaraco\text\lorem ipsum.txt
%TEMP%\_mei19602\ucrtbase.dll
%TEMP%\_mei19602\unicodedata.pyd
%TEMP%\_mei19602\vcruntime140.dll
%TEMP%\_mei19602\vcruntime140_1.dll
%TEMP%\_mei19602\_asyncio.pyd
%TEMP%\_mei19602\_bz2.pyd
%TEMP%\_mei19602\_cffi_backend.cp314-win_amd64.pyd
%TEMP%\_mei19602\_ctypes.pyd
%TEMP%\_mei19602\_decimal.pyd
%TEMP%\_mei19602\_hashlib.pyd
%TEMP%\_mei19602\_lzma.pyd
%TEMP%\_mei19602\_multiprocessing.pyd
%TEMP%\_mei19602\_overlapped.pyd
%TEMP%\_mei19602\_queue.pyd
%TEMP%\_mei19602\_socket.pyd
%TEMP%\_mei19602\_ssl.pyd
%TEMP%\_mei19602\_wmi.pyd
%TEMP%\_mei19602\_zstd.pyd

Network activity

Connects to

'ap#.#pify.org':443
'tc#.##ceports.shop':24442

TCP

Other

'ap#.#pify.org':443

UDP

DNS ASK ap#.#pify.org
DNS ASK tc#.##ceports.shop

Miscellaneous

Creates and executes the following

'%TEMP%\tmpmpq1om8b\fvdcfdssdfdsrf.exe'
'%TEMP%\bnd_abe0d8d2\everything.exe'
'%TEMP%\bnd_abe0d8d2\zkp00wvoeunzwydm.exe'

Restarts the analyzed sample

Executes the following

'<SYSTEM32>\cmd.exe' /c "ver"
'<SYSTEM32>\cmd.exe' /c "ver"' (with hidden window)
'%TEMP%\tmpmpq1om8b\fvdcfdssdfdsrf.exe' ' (with hidden window)

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical Information

Curing recommendations

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