Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'd8c2d5f555aff577c781d570984b2a6b' = '"%TEMP%\lasvicas.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'd8c2d5f555aff577c781d570984b2a6b' = '"%TEMP%\lasvicas.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\d8c2d5f555aff577c781d570984b2a6b.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\lasvicas.exe' = '%TEMP%\lasvicas.exe:*:Enabled:lasvicas.exe'
Creates and executes the following:
- '%TEMP%\lasvicas.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\lasvicas.exe" "lasvicas.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\lasvicas.exe
Network activity:
Connects to:
- 'za####.hopto.org':356
UDP:
- DNS ASK za####.hopto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
