Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'e58d25491ede6e4712a12d9e905cf881' = '"%TEMP%\sys32.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'e58d25491ede6e4712a12d9e905cf881' = '"%TEMP%\sys32.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\e58d25491ede6e4712a12d9e905cf881.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\sys32.exe' = '%TEMP%\sys32.exe:*:Enabled:sys32.exe'
Creates and executes the following:
- '%TEMP%\sys32.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\sys32.exe" "sys32.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\sys32.exe
Network activity:
UDP:
- DNS ASK ki#####er08.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
