Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cfmmon.exe' = '<SYSTEM32>\cfmmon.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\Diskrun.exe
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\cfmmon.exe in
Modifies file system :
Creates the following files:
- <SYSTEM32>\cfmmon.exe
- C:\Autorun.inf
- C:\Diskrun.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Autorun.inf
- <SYSTEM32>\cfmmon.exe
- <Drive name for removable media>:\Diskrun.exe
- C:\Diskrun.exe
- C:\Autorun.inf
Network activity:
Connects to:
- 'th####hammer.biz':80
TCP:
HTTP GET requests:
- th####hammer.biz/snapbn/ip.php
HTTP POST requests:
- th####hammer.biz/snapbn/gate.php
UDP:
- DNS ASK th####hammer.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
