Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '081e34d164bb678a9d3dbe11cf0ad9c9' = '"%TEMP%\driver.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '081e34d164bb678a9d3dbe11cf0ad9c9' = '"%TEMP%\driver.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'microsoft' = '<LS_APPDATA>\Crypted1111.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\081e34d164bb678a9d3dbe11cf0ad9c9.exe
Creates the following files on removable media:
- <Drive name for removable media>:\081e34d164bb678a9d3dbe11cf0ad9c9.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\driver.exe' = '%TEMP%\driver.exe:*:Enabled:driver.exe'
Creates and executes the following:
- '%TEMP%\driver.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\driver.exe" "driver.exe" ENABLE
Modifies file system :
Creates the following files:
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new
- <LS_APPDATA>\Crypted1111.exe
- %TEMP%\driver.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\081e34d164bb678a9d3dbe11cf0ad9c9.exe
Moves the following files:
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\enterprisesec.config.cch
- from %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch.new to %WINDIR%\Microsoft.NET\Framework\v2.0.50727\CONFIG\security.config.cch
Network activity:
Connects to:
- 'be####91.no-ip.org':1357
UDP:
- DNS ASK be####91.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'