Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b076988ab36723ae58cf95c914bf0f9a' = '"%WINDIR%\WindowsSecurity.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b076988ab36723ae58cf95c914bf0f9a' = '"%WINDIR%\WindowsSecurity.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\b076988ab36723ae58cf95c914bf0f9a.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\WindowsSecurity.exe' = '%WINDIR%\WindowsSecurity.exe:*:Enabled:WindowsSecurity.exe'
Creates and executes the following:
- '%WINDIR%\WindowsSecurity.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%WINDIR%\WindowsSecurity.exe" "WindowsSecurity.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\WindowsSecurity.exe
Network activity:
Connects to:
- 'sh#####alker1.no-ip.org':1177
UDP:
- DNS ASK sh#####alker1.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
