Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '<Virus name>' = '<Current directory>\<Virus name>Test.exe'
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\UPDATE.exe'
- '<SYSTEM32>\UPDATE.exe' (downloaded from the Internet)
Modifies file system :
Creates the following files:
- <SYSTEM32>\UPDATE.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\UPDATE[1].exe
Network activity:
Connects to:
- 'ti####.dothome.co.kr':80
- 'localhost':1036
TCP:
HTTP GET requests:
- ti####.dothome.co.kr/UPDATE.exe
UDP:
- DNS ASK ti####.dothome.co.kr
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
