Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b2f1a6a01299014673d6f1c36048461d' = '"%APPDATA%\server.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b2f1a6a01299014673d6f1c36048461d' = '"%APPDATA%\server.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:
- '%APPDATA%\server.exe'
- '<LS_APPDATA>qgYnuwMGdp.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\server.exe" "server.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>eeahqGWWYT..jpg
Modifies file system :
Creates the following files:
- %APPDATA%\server.exe
- %HOMEPATH%\Recent\Local Settings.lnk
- %HOMEPATH%\Recent\Application DataeeahqGWWYT..lnk
- <LS_APPDATA>qgYnuwMGdp.exe
- <LS_APPDATA>eeahqGWWYT..jpg
Network activity:
Connects to:
- 'cs###.no-ip.biz':1176
UDP:
- DNS ASK cs###.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'