Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '62305ddb45566272ddca140cdfb57b82' = '"%TEMP%\30.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '62305ddb45566272ddca140cdfb57b82' = '"%TEMP%\30.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\62305ddb45566272ddca140cdfb57b82.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\30.exe' = '%TEMP%\30.exe:*:Enabled:30.exe'
Creates and executes the following:
- '%TEMP%\30.exe'
- '%PROGRAM_FILES%\n111111.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\30.exe" "30.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\30.exe
- %PROGRAM_FILES%\n111111.exe
- %TEMP%\aut1.tmp
Deletes the following files:
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'yh###.no-ip.org':25
UDP:
- DNS ASK yh###.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
