Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '5831ee4cb4f566bd679e2435434196c2' = '"%HOMEPATH%\Skype_TM.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5831ee4cb4f566bd679e2435434196c2' = '"%HOMEPATH%\Skype_TM.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\5831ee4cb4f566bd679e2435434196c2.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\Skype_TM.exe' = '%HOMEPATH%\Skype_TM.exe:*:Enabled:Skype_TM.exe'
Creates and executes the following:
- '%HOMEPATH%\Skype_TM.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\Skype_TM.exe" "Skype_TM.exe" ENABLE
Modifies file system :
Creates the following files:
- %HOMEPATH%\Skype_TM.exe
Network activity:
Connects to:
- 'ar###.no-ip.biz':1177
UDP:
- DNS ASK ar###.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
