Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '63f441b1d77ff1b03eba02eacb9773fe' = '"%TEMP%\System.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '63f441b1d77ff1b03eba02eacb9773fe' = '"%TEMP%\System.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Corporation' = '<LS_APPDATA>\1.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\63f441b1d77ff1b03eba02eacb9773fe.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\System.exe' = '%TEMP%\System.exe:*:Enabled:System.exe'
Creates and executes the following:
- '%TEMP%\System.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\System.exe" "System.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\System.exe
- <LS_APPDATA>\1.exe
Network activity:
Connects to:
- 'ni####98.no-ip.biz':83
UDP:
- DNS ASK ni####98.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
