Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '19c39bca3f448ad3748d8792aa1d8b89' = '"%TEMP%\ Update Windows.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '19c39bca3f448ad3748d8792aa1d8b89' = '"%TEMP%\ Update Windows.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\19c39bca3f448ad3748d8792aa1d8b89.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\ Update Windows.exe' = '%TEMP%\ Update Windows.exe:*:Enabled: Update Windows.exe'
Creates and executes the following:
- '%TEMP%\ Update Windows.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\ Update Windows.exe" " Update Windows.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\ Update Windows.exe
Network activity:
Connects to:
- 'he####2.no-ip.biz':1155
UDP:
- DNS ASK he####2.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'