Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '732210602d987b443b5c7d65a1c09153' = '"%TEMP%\mcss.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '732210602d987b443b5c7d65a1c09153' = '"%TEMP%\mcss.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\732210602d987b443b5c7d65a1c09153.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\mcss.exe' = '%TEMP%\mcss.exe:*:Enabled:mcss.exe'
Creates and executes the following:
- '%TEMP%\mcss.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\mcss.exe" "mcss.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\mcss.exe
Network activity:
Connects to:
- 'al####os.dnsd.info':1177
UDP:
- DNS ASK al####os.dnsd.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
