Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'a799001520bca49d3a5f756264232567' = '"%TEMP%\System23.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'a799001520bca49d3a5f756264232567' = '"%TEMP%\System23.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\a799001520bca49d3a5f756264232567.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\System23.exe' = '%TEMP%\System23.exe:*:Enabled:System23.exe'
Creates and executes the following:
- '%TEMP%\System23.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\System23.exe" "System23.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\System23.exe
Network activity:
Connects to:
- 'ha####-19.no-ip.biz':1177
UDP:
- DNS ASK ha####-19.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
