Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '324854dd7e129c22cd76cb20124410ac' = '"%WINDIR%\RuntimeBroker.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '324854dd7e129c22cd76cb20124410ac' = '"%WINDIR%\RuntimeBroker.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\324854dd7e129c22cd76cb20124410ac.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\RuntimeBroker.exe' = '%WINDIR%\RuntimeBroker.exe:*:Enabled:RuntimeBroker.exe'
Creates and executes the following:
- '%WINDIR%\RuntimeBroker.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%WINDIR%\RuntimeBroker.exe" "RuntimeBroker.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\RuntimeBroker.exe
Network activity:
Connects to:
- 'so#####merad.no-ip.biz':80
UDP:
- DNS ASK so#####merad.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'