Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'microsof' = '%WINDIR%\jmb\smss.exe '
Creates or modifies the following files:
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\run.jse
- %ALLUSERSPROFILE%\Start Menu\Programs\Startup\GZA.vbe
Malicious functions:
Creates and executes the following:
- '%WINDIR%\JMB\smss.exe'
Executes the following:
- '%WINDIR%\regedit.exe' /s %WINDIR%\WindowsMy.reg
- '<SYSTEM32>\reg.exe' add HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v "microsof" /d "%WINDIR%\jmb\smss.exe " /f
- '<SYSTEM32>\wscript.exe' "%WINDIR%\del.bho.vbe" 0
- '<SYSTEM32>\wscript.exe' "%WINDIR%\LJA\IEB.vbe" 0
- '<SYSTEM32>\regsvr32.exe' /s "%WINDIR%\YML\EGXWLWZVOR.dll"
- '%WINDIR%\regedit.exe' /s %WINDIR%\reg.reg
Modifies file system :
Creates the following files:
- %WINDIR%\JMB\smss.exe
- %WINDIR%\reg.reg
- %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Internt Explorer.url
- %WINDIR%\del.bho.vbe
- %WINDIR%\WindowsMy.reg
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\work[1].aspx
- %WINDIR%\userid.txt
- %WINDIR%\tao.ico
- %WINDIR%\YML\EGXWLWZVOR.dll
- %WINDIR%\LJA\IEB.vbe
Deletes the following files:
- %WINDIR%\del.bho.vbe
Deletes itself.
Network activity:
Connects to:
- 'localhost':1040
- 'localhost':1044
- 'localhost':1039
- 'localhost':1036
- 'to####.66660.com':80
TCP:
HTTP GET requests:
- to####.66660.com/api/work.aspx?cm########################################################################################
UDP:
- DNS ASK da##.#ainiang.cn
- DNS ASK www.my###ewebs.com
- DNS ASK js#.#6660.com
- DNS ASK www.di##xin.cn
- DNS ASK 11####rch.118114.cn
- DNS ASK to####.66660.com
- DNS ASK da##.pianya.cn
- DNS ASK da###.rengdiao.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'XFrame_Wnd' WindowName: '(null)'
- ClassName: 'Maxthon2_Frame' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: '(null)' WindowName: '(null)'
- ClassName: 'IEFrame' WindowName: '(null)'
- ClassName: 'RegEdit_RegEdit' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
