Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Loader' = '%APPDATA%\syssl.exe -lds'
Malicious functions:
Creates and executes the following:
- '%APPDATA%\syssl.exe' -lds
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram %APPDATA%\syssl.exe "Windows Update Viewer" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\d132046
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\doit[1].php
- %APPDATA%\syssl.exe
Deletes the following files:
- %TEMP%\d132046
Network activity:
Connects to:
- 'gy###eplace.cn':80
TCP:
HTTP GET requests:
- gy###eplace.cn/ld/doit.php?v=#############
UDP:
- DNS ASK gy###eplace.cn
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
