Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\WindowsDown] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\sevser.exe (downloaded from the Internet)
- <SYSTEM32>\servet.exe
Executes the following:
- <SYSTEM32>\cmd.exe /c <SYSTEM32>\Deledomn.bat
Modifies file system :
Creates the following files:
- <SYSTEM32>\sevser.exe
- C:\AutoRun.inf
- C:\servet.exe
- <SYSTEM32>\servet.exe
- <SYSTEM32>\Deledomn.bat
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\sevser[1].exe
Sets the 'hidden' attribute to the following files:
- C:\servet.exe
- C:\AutoRun.inf
- <SYSTEM32>\servet.exe
Deletes itself.
Network activity:
Connects to:
- 'ha####clf.512j.com':80
- 'localhost':1037
TCP:
HTTP GET requests:
- ha####clf.512j.com/sevser.exe
UDP:
- DNS ASK ha####clf.512j.com
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: 'IE????????'
- ClassName: '#32770' WindowName: '???????????????????? - IE??????'
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '#32770' WindowName: 'IE ????????'
