Trojan.Siggen37.805

Technical Information

To ensure autorun and distribution

Creates or modifies the following files

%APPDATA%\microsoft\windows\start menu\programs\startup\<File name>.exe

Malicious functions

Reads files which store third party applications passwords

%LOCALAPPDATA%\microsoft\edge\user data\default\login data
%LOCALAPPDATA%\google\chrome\user data\default\login data
%LOCALAPPDATA%\google\chrome\user data\default\web data
%LOCALAPPDATA%\microsoft\edge\user data\default\web data

Modifies file system

Creates the following files

%TEMP%\_mei000008342\crypto\cipher\_arc4.pyd
%TEMP%\_mei000008342\crypto\cipher\_salsa20.pyd
%TEMP%\_mei000008342\crypto\cipher\_chacha20.pyd
%TEMP%\_mei000008342\crypto\cipher\_pkcs1_decode.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_aes.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_aesni.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_arc2.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_blowfish.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_cast.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_cbc.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_cfb.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_ctr.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_des.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_des3.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_ecb.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_eksblowfish.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_ocb.pyd
%TEMP%\_mei000008342\crypto\cipher\_raw_ofb.pyd
%TEMP%\_mei000008342\crypto\hash\_blake2b.pyd
%TEMP%\_mei000008342\crypto\hash\_blake2s.pyd
%TEMP%\_mei000008342\crypto\hash\_md2.pyd
%TEMP%\_mei000008342\crypto\hash\_md4.pyd
%TEMP%\_mei000008342\crypto\hash\_md5.pyd
%TEMP%\_mei000008342\crypto\hash\_ripemd160.pyd
%TEMP%\_mei000008342\crypto\hash\_sha1.pyd
%TEMP%\_mei000008342\crypto\hash\_sha224.pyd
%TEMP%\_mei000008342\crypto\hash\_sha256.pyd
%TEMP%\_mei000008342\crypto\hash\_sha384.pyd
%TEMP%\_mei000008342\crypto\hash\_sha512.pyd
%TEMP%\_mei000008342\crypto\hash\_ghash_clmul.pyd
%TEMP%\_mei000008342\crypto\hash\_ghash_portable.pyd
%TEMP%\_mei000008342\crypto\hash\_keccak.pyd
%TEMP%\_mei000008342\crypto\hash\_poly1305.pyd
%TEMP%\_mei000008342\crypto\math\_modexp.pyd
%TEMP%\_mei000008342\crypto\protocol\_scrypt.pyd
%TEMP%\_mei000008342\crypto\publickey\_curve25519.pyd
%TEMP%\_mei000008342\crypto\publickey\_curve448.pyd
%TEMP%\_mei000008342\crypto\publickey\_ec_ws.pyd
%TEMP%\_mei000008342\crypto\publickey\_ed25519.pyd
%TEMP%\_mei000008342\crypto\publickey\_ed448.pyd
%TEMP%\_mei000008342\crypto\util\_cpuid_c.pyd
%TEMP%\_mei000008342\crypto\util\_strxor.pyd
%TEMP%\_mei000008342\vcruntime140.dll
%TEMP%\_mei000008342\vcruntime140_1.dll
%TEMP%\_mei000008342\_asyncio.pyd
%TEMP%\_mei000008342\_brotli.cp312-win_amd64.pyd
%TEMP%\_mei000008342\_bz2.pyd
%TEMP%\_mei000008342\_cffi_backend.cp312-win_amd64.pyd
%TEMP%\_mei000008342\_ctypes.pyd
%TEMP%\_mei000008342\_decimal.pyd
%TEMP%\_mei000008342\_hashlib.pyd
%TEMP%\_mei000008342\_lzma.pyd
%TEMP%\_mei000008342\_multiprocessing.pyd
%TEMP%\_mei000008342\_overlapped.pyd
%TEMP%\_mei000008342\_queue.pyd
%TEMP%\_mei000008342\_socket.pyd
%TEMP%\_mei000008342\_sqlite3.pyd
%TEMP%\_mei000008342\_ssl.pyd
%TEMP%\_mei000008342\_uuid.pyd
%TEMP%\_mei000008342\_wmi.pyd
%TEMP%\_mei000008342\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-fibers-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-fibers-l1-1-1.dll
%TEMP%\_mei000008342\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei000008342\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-kernel32-legacy-l1-1-1.dll
%TEMP%\_mei000008342\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei000008342\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei000008342\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei000008342\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-sysinfo-l1-2-0.dll
%TEMP%\_mei000008342\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei000008342\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei000008342\backports\zstd\_zstd.cp312-win_amd64.pyd
%TEMP%\_mei000008342\base_library.zip
%TEMP%\_mei000008342\bcrypt\_bcrypt.pyd
%TEMP%\_mei000008342\certifi\cacert.pem
%TEMP%\_mei000008342\charset_normalizer\cd.cp312-win_amd64.pyd
%TEMP%\_mei000008342\charset_normalizer\md.cp312-win_amd64.pyd
%TEMP%\_mei000008342\cryptography-43.0.1.dist-info\installer
%TEMP%\_mei000008342\cryptography-43.0.1.dist-info\metadata
%TEMP%\_mei000008342\cryptography-43.0.1.dist-info\record
%TEMP%\_mei000008342\cryptography-43.0.1.dist-info\wheel
%TEMP%\_mei000008342\cryptography-43.0.1.dist-info\license_files\license
%TEMP%\_mei000008342\cryptography-43.0.1.dist-info\license_files\license.apache
%TEMP%\_mei000008342\cryptography-43.0.1.dist-info\license_files\license.bsd
%TEMP%\_mei000008342\cryptography\hazmat\bindings\_rust.pyd
%TEMP%\_mei000008342\h2-4.4.1.dist-info\installer
%TEMP%\_mei000008342\h2-4.4.1.dist-info\metadata
%TEMP%\_mei000008342\h2-4.4.1.dist-info\record
%TEMP%\_mei000008342\h2-4.4.1.dist-info\wheel
%TEMP%\_mei000008342\h2-4.4.1.dist-info\licenses\license
%TEMP%\_mei000008342\h2-4.4.1.dist-info\top_level.txt
%TEMP%\_mei000008342\libcrypto-3.dll
%TEMP%\_mei000008342\libffi-8.dll
%TEMP%\_mei000008342\libssl-3.dll
%TEMP%\_mei000008342\pyexpat.pyd
%TEMP%\_mei000008342\python3.dll
%TEMP%\_mei000008342\python312.dll
%TEMP%\_mei000008342\select.pyd
%TEMP%\_mei000008342\setuptools\_vendor\jaraco\text\lorem ipsum.txt
%TEMP%\_mei000008342\sqlite3.dll
%TEMP%\_mei000008342\ucrtbase.dll
%TEMP%\_mei000008342\unicodedata.pyd
%LOCALAPPDATA%\tempcrdyntrnqt.db
%LOCALAPPDATA%\tempcrvgneuqwh.db
%TEMP%\crpassw.txt
%LOCALAPPDATA%\tempcrewmjerqn.db
%LOCALAPPDATA%\tempcrdmyotwot.db
%TEMP%\crautofill.txt

Deletes following files that it created itself

%LOCALAPPDATA%\tempcrvgneuqwh.db
%LOCALAPPDATA%\tempcrdyntrnqt.db
%LOCALAPPDATA%\tempcrewmjerqn.db
%LOCALAPPDATA%\tempcrdmyotwot.db

Network activity

Connects to

'ap#.#ofile.io':443
'ap#.#pify.org':443
'ge####ation-db.com':443
'di##ord.com':443

TCP

Other

'ap#.#pify.org':443
'ge####ation-db.com':443
'di##ord.com':443
'ap#.#ofile.io':443

UDP

DNS ASK ap#.#ofile.io
DNS ASK ap#.#pify.org
DNS ASK ge####ation-db.com
DNS ASK di##ord.com

Miscellaneous

Restarts the analyzed sample

Executes the following

'<SYSTEM32>\cmd.exe' /c "tasklist"
'<SYSTEM32>\tasklist.exe'
'<SYSTEM32>\cmd.exe' /c "tasklist"' (with hidden window)

TECHNOLOGIES

TERMINOLOGIE

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MYTHES

Technical Information

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