Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'a88b7a9d990f368d7db985991e669760' = '"%TEMP%\mas.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'a88b7a9d990f368d7db985991e669760' = '"%TEMP%\mas.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\mas.exe' = '%TEMP%\mas.exe:*:Enabled:mas.exe'
Creates and executes the following:
- '%TEMP%\mas.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\mas.exe" "mas.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\mas.exe
Network activity:
Connects to:
- '11#.#11.111.1':1177
UDP:
- DNS ASK l####.hopto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'