Trojan.Siggen32.17055

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Java Updater' = 'C:/Program Files/Java/Java Updater G‮lld.COM -hide'

Modifies file system

Creates the following files

%TEMP%\_mei51802\crypto\cipher\_arc4.pyd
%TEMP%\_mei51802\crypto\cipher\_salsa20.pyd
%TEMP%\_mei51802\crypto\cipher\_chacha20.pyd
%TEMP%\_mei51802\crypto\cipher\_pkcs1_decode.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_aes.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_aesni.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_arc2.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_blowfish.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_cast.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_cbc.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_cfb.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_ctr.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_des.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_des3.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_ecb.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_eksblowfish.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_ocb.pyd
%TEMP%\_mei51802\crypto\cipher\_raw_ofb.pyd
%TEMP%\_mei51802\crypto\hash\_blake2b.pyd
%TEMP%\_mei51802\crypto\hash\_blake2s.pyd
%TEMP%\_mei51802\crypto\hash\_md2.pyd
%TEMP%\_mei51802\crypto\hash\_md4.pyd
%TEMP%\_mei51802\crypto\hash\_md5.pyd
%TEMP%\_mei51802\crypto\hash\_ripemd160.pyd
%TEMP%\_mei51802\crypto\hash\_sha1.pyd
%TEMP%\_mei51802\crypto\hash\_sha224.pyd
%TEMP%\_mei51802\crypto\hash\_sha256.pyd
%TEMP%\_mei51802\crypto\hash\_sha384.pyd
%TEMP%\_mei51802\crypto\hash\_sha512.pyd
%TEMP%\_mei51802\crypto\hash\_ghash_clmul.pyd
%TEMP%\_mei51802\crypto\hash\_ghash_portable.pyd
%TEMP%\_mei51802\crypto\hash\_keccak.pyd
%TEMP%\_mei51802\crypto\hash\_poly1305.pyd
%TEMP%\_mei51802\crypto\math\_modexp.pyd
%TEMP%\_mei51802\crypto\protocol\_scrypt.pyd
%TEMP%\_mei51802\crypto\publickey\_ec_ws.pyd
%TEMP%\_mei51802\crypto\util\_cpuid_c.pyd
%TEMP%\_mei51802\crypto\util\_strxor.pyd
%TEMP%\_mei51802\msvcp140.dll
%TEMP%\_mei51802\pil\_imaging.cp310-win_amd64.pyd
%TEMP%\_mei51802\pil\_imagingtk.cp310-win_amd64.pyd
%TEMP%\_mei51802\pil\_webp.cp310-win_amd64.pyd
%TEMP%\_mei51802\vcruntime140.dll
%TEMP%\_mei51802\vcruntime140_1.dll
%TEMP%\_mei51802\_bz2.pyd
%TEMP%\_mei51802\_ctypes.pyd
%TEMP%\_mei51802\_decimal.pyd
%TEMP%\_mei51802\_hashlib.pyd
%TEMP%\_mei51802\_lzma.pyd
%TEMP%\_mei51802\_queue.pyd
%TEMP%\_mei51802\_socket.pyd
%TEMP%\_mei51802\_sqlite3.pyd
%TEMP%\_mei51802\_ssl.pyd
%TEMP%\_mei51802\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei51802\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei51802\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei51802\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei51802\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei51802\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei51802\libcrypto-1_1.dll
%TEMP%\_mei51802\libffi-7.dll
%TEMP%\_mei51802\libssl-1_1.dll
%TEMP%\_mei51802\python310.dll
%TEMP%\_mei51802\pywintypes310.dll
%TEMP%\_mei51802\select.pyd
%TEMP%\_mei51802\sqlite3.dll
%TEMP%\_mei51802\ucrtbase.dll
%TEMP%\_mei51802\unicodedata.pyd
%TEMP%\_mei51802\win32crypt.pyd
%TEMP%\_mei51802\base_library.zip
%TEMP%\_mei51802\certifi\cacert.pem
%TEMP%\_mei51802\structc.pyd
%ProgramFiles%\java\java updater g‮lld.com
%TEMP%\_mei61282\crypto\cipher\_arc4.pyd
%TEMP%\_mei61282\crypto\cipher\_salsa20.pyd
%TEMP%\_mei61282\crypto\cipher\_chacha20.pyd
%TEMP%\_mei61282\crypto\cipher\_pkcs1_decode.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_aes.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_aesni.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_arc2.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_blowfish.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_cast.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_cbc.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_cfb.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_ctr.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_des.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_des3.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_ecb.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_eksblowfish.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_ocb.pyd
%TEMP%\_mei61282\crypto\cipher\_raw_ofb.pyd
%TEMP%\_mei61282\crypto\hash\_blake2b.pyd
%TEMP%\_mei61282\crypto\hash\_blake2s.pyd
%TEMP%\_mei61282\crypto\hash\_md2.pyd
%TEMP%\_mei61282\crypto\hash\_md4.pyd
%TEMP%\_mei61282\crypto\hash\_md5.pyd
%TEMP%\_mei61282\crypto\hash\_ripemd160.pyd
%TEMP%\_mei61282\crypto\hash\_sha1.pyd
%TEMP%\_mei61282\crypto\hash\_sha224.pyd
%TEMP%\_mei61282\crypto\hash\_sha256.pyd
%TEMP%\_mei61282\crypto\hash\_sha384.pyd
%TEMP%\_mei61282\crypto\hash\_sha512.pyd
%TEMP%\_mei61282\crypto\hash\_ghash_clmul.pyd
%TEMP%\_mei61282\crypto\hash\_ghash_portable.pyd
%TEMP%\_mei61282\crypto\hash\_keccak.pyd
%TEMP%\_mei61282\crypto\hash\_poly1305.pyd
%TEMP%\_mei61282\crypto\math\_modexp.pyd
%TEMP%\_mei61282\crypto\protocol\_scrypt.pyd
%TEMP%\_mei61282\crypto\publickey\_ec_ws.pyd
%TEMP%\_mei61282\crypto\util\_cpuid_c.pyd
%TEMP%\_mei61282\crypto\util\_strxor.pyd
%TEMP%\_mei61282\msvcp140.dll
%TEMP%\_mei61282\pil\_imaging.cp310-win_amd64.pyd
%TEMP%\_mei61282\pil\_imagingtk.cp310-win_amd64.pyd
%TEMP%\_mei61282\pil\_webp.cp310-win_amd64.pyd
%TEMP%\_mei61282\vcruntime140.dll
%TEMP%\_mei61282\vcruntime140_1.dll
%TEMP%\_mei61282\_bz2.pyd
%TEMP%\_mei61282\_ctypes.pyd
%TEMP%\_mei61282\_decimal.pyd
%TEMP%\_mei61282\_hashlib.pyd
%TEMP%\_mei61282\_lzma.pyd
%TEMP%\_mei61282\_queue.pyd
%TEMP%\_mei61282\_socket.pyd
%TEMP%\_mei61282\_sqlite3.pyd
%TEMP%\_mei61282\_ssl.pyd
%TEMP%\_mei61282\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei61282\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei61282\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei61282\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei61282\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei61282\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei61282\libcrypto-1_1.dll
%TEMP%\_mei61282\libffi-7.dll
%TEMP%\_mei61282\libssl-1_1.dll
%TEMP%\_mei61282\python310.dll
%TEMP%\_mei61282\pywintypes310.dll
%TEMP%\_mei61282\select.pyd
%TEMP%\_mei61282\sqlite3.dll
%TEMP%\_mei61282\ucrtbase.dll
%TEMP%\_mei61282\unicodedata.pyd
%TEMP%\_mei61282\win32crypt.pyd
%TEMP%\_mei61282\base_library.zip
%TEMP%\_mei61282\certifi\cacert.pem
%TEMP%\_mei61282\structc.pyd
%TEMP%\9kgizqrmmi\local state
%TEMP%\9kgizqrmmi\screenshot.png
%TEMP%\9kgizqrmmi\system\tree.txt
%TEMP%\9kgizqrmmi\system\task list.txt
%TEMP%\9kgizqrmmi\system\system info.txt
%TEMP%\blank-user.zip

Deletes following files that it created itself

%TEMP%\blank-user.zip
%TEMP%\9kgizqrmmi\local state
%TEMP%\9kgizqrmmi\screenshot.png
%TEMP%\9kgizqrmmi\system\system info.txt
%TEMP%\9kgizqrmmi\system\task list.txt
%TEMP%\9kgizqrmmi\system\tree.txt

Network activity

Connects to

'ht##bin.org':443
'ip##pi.com':80

TCP

HTTP GET requests

http://ip##pi.com/json/?fi###########

Other

'ht##bin.org':443

UDP

DNS ASK ht##bin.org
DNS ASK ho#######heck.blankmcpe.repl.co
DNS ASK ip##pi.com

Miscellaneous

Creates and executes the following

'%ProgramFiles%\java\java updater g‮lld.com'

Restarts the analyzed sample

Executes the following

'<SYSTEM32>\cmd.exe' /c "wmic csproduct get uuid"
'<SYSTEM32>\wbem\wmic.exe' csproduct get uuid
'<SYSTEM32>\cmd.exe' /c "tasklist"
'<SYSTEM32>\tasklist.exe'
'<SYSTEM32>\cmd.exe' /c "attrib +h +r +s"C:/Program Files/Java/Java Updater G‮lld.COM""
'<SYSTEM32>\attrib.exe' +h +r +s"C:/Program Files/Java/Java Updater G‮lld.COM"
'<SYSTEM32>\cmd.exe' /c "REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Java Updater" /t REG_SZ /F /d "C:/Program Files/Java/Java Updater G‮lld.COM -hide""
'<SYSTEM32>\reg.exe' ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Java Updater" /t REG_SZ /F /d "C:/Program Files/Java/Java Updater G‮lld.COM -hide"
'<SYSTEM32>\cmd.exe' /c "C:/Program Files/Java/Java Updater G‮lld.COM"
'<SYSTEM32>\cmd.exe' /c "tree /A /F"
'<SYSTEM32>\tree.com' /A /F
'<SYSTEM32>\cmd.exe' /c "systeminfo"
'<SYSTEM32>\systeminfo.exe'
'<SYSTEM32>\cmd.exe' /c "wmic csproduct get uuid"' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "tasklist"' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "attrib +h +r +s"C:/Program Files/Java/Java Updater G‮lld.COM""' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Java Updater" /t REG_SZ /F /d "C:/Program Files/Java/Java Updater G‮lld.COM -hide""' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "C:/Program Files/Java/Java Updater G‮lld.COM"' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "tree /A /F"' (with hidden window)
'<SYSTEM32>\cmd.exe' /c "systeminfo"' (with hidden window)

Tecnologías

Términos

Formación y educación

Mitos

Technical Information

Curing recommendations

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