Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'e79d569ba77562f0d4316e586835f0a2' = '"%TEMP%\Chrome.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'e79d569ba77562f0d4316e586835f0a2' = '"%TEMP%\Chrome.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Skype.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Chrome.exe' = '%TEMP%\Chrome.exe:*:Enabled:Chrome.exe'
Creates and executes the following:
- '%HOMEPATH%\Local Settings\Tempserver.exe'
- '%TEMP%\Chrome.exe'
- '%TEMP%\Skype.exe'
- '%TEMP%\SkypeSetup.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Chrome.exe" "Chrome.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\gtapi.dll
- %HOMEPATH%\Local Settings\Tempserver.exe
- %TEMP%\Chrome.exe
- %TEMP%\SkypeSetup.exe
- %TEMP%\aut1.tmp
- %TEMP%\Skype.exe
- %TEMP%\aut2.tmp
Deletes the following files:
- %TEMP%\gtapi.dll
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'mo####4.ddns.net':1177
UDP:
- DNS ASK mo####4.ddns.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
