Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Windows Service' = '%HOMEPATH%\M-800-6785-6027-8976\winsvcn.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\M-800-6785-6027-8976\winsvcn.exe' = '%HOMEPATH%\M-800-6785-6027-8976\winsvcn.exe:*:Enabled:Microsoft Windows Service'
Creates and executes the following:
- %HOMEPATH%\M-800-6785-6027-8976\winsvcn.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\M-800-6785-6027-8976\winsvcn.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\M-800-6785-6027-8976\winsvcn.exe
Network activity:
Connects to:
- 'sr##0.biz':5050
UDP:
- DNS ASK sr##0.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''