Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '41cbb2a3dc1f6874c1a884d983a1a190' = '"%ALLUSERSPROFILE%\iexplorerr.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '41cbb2a3dc1f6874c1a884d983a1a190' = '"%ALLUSERSPROFILE%\iexplorerr.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\41cbb2a3dc1f6874c1a884d983a1a190.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\iexplorerr.exe' = '%ALLUSERSPROFILE%\iexplorerr.exe:*:Enabled:iexplorerr.exe'
Creates and executes the following:
- '%ALLUSERSPROFILE%\iexplorerr.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%ALLUSERSPROFILE%\iexplorerr.exe" "iexplorerr.exe" ENABLE
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\iexplorerr.exe
Network activity:
Connects to:
- 'ti####a.no-ip.biz':81
UDP:
- DNS ASK ti####a.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
