Technical Information
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Modifies file system
Substitutes the following executable files
- <Full path to file>
Substitutes the following files
- %ProgramFiles%\UNP\Logs\UpdateNotificationPipeline.001.etl
Moves itself
- from <Full path to file> to <Current directory>\old_<File name>.exe
Network activity
TCP
HTTP GET requests
- http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?ab##############
UDP
- DNS ASK share.microsoft.com
- DNS ASK go.microsoft.com
- DNS ASK settings-win.data.microsoft.com
- DNS ASK maps.windows.com
- DNS ASK dl.delivery.mp.microsoft.com
- DNS ASK ar#.msn.com
- DNS ASK im##########-rt-microsoft-com.akamaized.net
Miscellaneous
Searches for the following windows
- ClassName: 'OleMainThreadWndClass' WindowName: ''
Executes the following
- '<SYSTEM32>\devicecensus.exe' UserCxt
- '<SYSTEM32>\svchost.exe' -k netsvcs -p
