Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
- %WINDIR%\Tasks\SA.DAT
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\WMISYS] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- %WINDIR%\system\wmisys.exe
Executes the following:
- <SYSTEM32>\svchost.exe -k netsvcs
- <SYSTEM32>\ipconfig.exe /flushdns
Searches for windows to
detect analytical utilities:
- ClassName: 'pediy06' WindowName: ''
- ClassName: 'GBDYLLO' WindowName: ''
- ClassName: 'OLLYDBG' WindowName: ''
detect programs and games:
- ClassName: 'MSNHiddenWindowClass' WindowName: ''
Hides the following processes:
- %WINDIR%\system\wmisys.exe
Modifies file system :
Creates the following files:
- <DRIVERS>\sysdrv32.sys
- %WINDIR%\system\wmisys.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\system\wmisys.exe
Deletes itself.
Network activity:
Connects to:
- 'si#.####eaeexchange.info':8083
- 'co##.##tiesofchina.info':8085
- 'de#####.#ewskoreaimports.info':8084
- '<Private IP address>':445
- '<Private IP address>':139
UDP:
- DNS ASK si#.####eaeexchange.info
- DNS ASK co##.##tiesofchina.info
- DNS ASK de#####.#ewskoreaimports.info
- '<Private IP address>':1294
Miscellaneous:
Searches for the following windows:
- ClassName: 'AIM_CSignOnWnd' WindowName: ''
