Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '7d31449cc24545e5baf7b7e98c5e61d9' = '"%APPDATA%\Explorer.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '7d31449cc24545e5baf7b7e98c5e61d9' = '"%APPDATA%\Explorer.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\Explorer.exe' = '%APPDATA%\Explorer.exe:*:Enabled:Explorer.exe'
Creates and executes the following:
- '%APPDATA%\Explorer.exe'
- '%HOMEPATH%\Local Settings\Tempserver.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\Explorer.exe" "Explorer.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\Explorer.exe
- %HOMEPATH%\Local Settings\Tempserver.exe
Network activity:
Connects to:
- 'ha#####r01.no-ip.biz':1177
UDP:
- DNS ASK ha#####r01.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
