Technical Information
Malicious functions:
Executes the following:
- '<SYSTEM32>\regsvr32.exe' /s %WINDIR%\dm.dll
Searches for windows to
detect analytical utilities:
- ClassName: 'FilemonClass' WindowName: '(null)'
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: '(null)'
- ClassName: 'RegmonClass' WindowName: '(null)'
- ClassName: 'OLLYDBG' WindowName: '(null)'
- ClassName: 'GBDYLLO' WindowName: '(null)'
- ClassName: 'pediy06' WindowName: '(null)'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\tnt_invite[1].html
- %WINDIR%\dm.dll
Sets the 'hidden' attribute to the following files:
- %WINDIR%\dm.dll
Network activity:
Connects to:
- '12#.#25.114.144':80
- '11#.#61.221.155':211
- 'localhost':1036
- 'tn#.qq.com':80
TCP:
HTTP GET requests:
- 12#.#25.114.144/special/time/
- tn#.qq.com/tnt_invite.html?ui##############################
UDP:
- DNS ASK op##.baidu.com
- DNS ASK tn#.qq.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: '18467-41' WindowName: '(null)'
- ClassName: '(null)' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '(null)' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '(null)' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
