Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'e1fe8660c1f641a22490df220a727220' = '"%APPDATA%\server.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'e1fe8660c1f641a22490df220a727220' = '"%APPDATA%\server.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\e1fe8660c1f641a22490df220a727220.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\server.exe' = '%APPDATA%\server.exe:*:Enabled:server.exe'
Creates and executes the following:
- '%HOMEPATH%\Local Settings\Tempserver.exe'
- '%APPDATA%\server.exe'
- '%TEMP%\ccsetup415.exe'
- '%TEMP%\safe.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\server.exe" "server.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\nsg4.tmp\g\pfWWW.dll
- %TEMP%\nsg4.tmp\modern-header.bmp
- %TEMP%\nsg4.tmp\g\gcombo\ComboOffer.html
- %TEMP%\nsg4.tmp\g\gcombo\combo-offer.png
- %TEMP%\nsg4.tmp\nsDialogs.dll
- %APPDATA%\server.exe
- %TEMP%\nsg4.tmp\modern-wizard.bmp
- %TEMP%\nsg4.tmp\ButtonEvent.dll
- %TEMP%\nsb3.tmp
- %TEMP%\nsg4.tmp\System.dll
- %TEMP%\ccsetup415.exe
- %TEMP%\safe.exe
- %TEMP%\nsg4.tmp\g\gtapi_signed.dll
- %TEMP%\nsg4.tmp\g\gcapi_dll.dll
- %HOMEPATH%\Local Settings\Tempserver.exe
- %TEMP%\nsg4.tmp\UserInfo.dll
Network activity:
Connects to:
- 'na####.no-ip.biz':1177
UDP:
- DNS ASK na####.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: '#32770' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
