Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '199f3d9632906635fe7195e4ca97a467' = '"%APPDATA%\lsass.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '199f3d9632906635fe7195e4ca97a467' = '"%APPDATA%\lsass.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\199f3d9632906635fe7195e4ca97a467.exe
Creates the following files on removable media:
- <Drive name for removable media>:\199f3d9632906635fe7195e4ca97a467.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\lsass.exe' = '%APPDATA%\lsass.exe:*:Enabled:lsass.exe'
Creates and executes the following:
- '%APPDATA%\lsass.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\lsass.exe" "lsass.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\lsass.exe
- %TEMP%\8cc1e039-1b9c-4d7f-8640-6b8f3eb13716\AgileDotNetRT.dll
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\199f3d9632906635fe7195e4ca97a467.exe
Network activity:
Connects to:
- 'si#####d99.zapto.org':2000
UDP:
- DNS ASK si#####d99.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
