Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '53b6f6cbe7c28bb1a6deaf6cf4f17fd8' = '"%TEMP%\microsoft.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '53b6f6cbe7c28bb1a6deaf6cf4f17fd8' = '"%TEMP%\microsoft.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\53b6f6cbe7c28bb1a6deaf6cf4f17fd8.exe
Creates the following files on removable media:
- <Drive name for removable media>:\53b6f6cbe7c28bb1a6deaf6cf4f17fd8.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\microsoft.exe' = '%TEMP%\microsoft.exe:*:Enabled:microsoft.exe'
Creates and executes the following:
- '%TEMP%\microsoft.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\microsoft.exe" "microsoft.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\microsoft.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\53b6f6cbe7c28bb1a6deaf6cf4f17fd8.exe
Network activity:
Connects to:
- 'mr###.no-ip.info':1777
UDP:
- DNS ASK mr###.no-ip.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
