Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'CssAuth' = '%APPDATA%\Locations\winhlps.exe'
Malicious functions:
Creates and executes the following:
- '%APPDATA%\Locations\winhlps.exe'
Executes the following:
- '%WINDIR%\regedit.exe' /s %TEMP%\kb71271.log
Modifies file system :
Creates the following files:
- %TEMP%\~DF4E74.doc
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\AWS96[1].jsp
- %TEMP%\kb71271.log
- <Current directory>\ka4281x3.log
- %APPDATA%\Locations\winhlps.exe
Sets the 'hidden' attribute to the following files:
- %APPDATA%\Locations\winhlps.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\AWS96[1].jsp
- %TEMP%\kb71271.log
- <Current directory>\ka4281x3.log
Network activity:
Connects to:
- '14#.#5.227.107':80
- 'wp#d':80
TCP:
HTTP GET requests:
- 14#.#5.227.107/AWS96.jsp?0o######################################
- wp#d/wpad.dat
UDP:
- DNS ASK wp#d
Miscellaneous:
Searches for the following windows:
- ClassName: 'WordPadClass' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'RegEdit_RegEdit' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
