Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '6a13270504194043fb1d21b44315454a' = '"%TEMP%\msnb.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '6a13270504194043fb1d21b44315454a' = '"%TEMP%\msnb.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\6a13270504194043fb1d21b44315454a.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\msnb.exe' = '%TEMP%\msnb.exe:*:Enabled:msnb.exe'
Creates and executes the following:
- '%TEMP%\msnb.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\msnb.exe" "msnb.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\msnb.exe
Network activity:
Connects to:
- 'z2####.no-ip.biz':1177
UDP:
- DNS ASK z2####.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
