Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '33b68ccb340146178b0f267961714672' = '"%ALLUSERSPROFILE%\server.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '33b68ccb340146178b0f267961714672' = '"%ALLUSERSPROFILE%\server.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\server.exe' = '%ALLUSERSPROFILE%\server.exe:*:Enabled:server.exe'
Creates and executes the following:
- '%ALLUSERSPROFILE%\server.exe'
- '%PROGRAM_FILES%\as.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%ALLUSERSPROFILE%\server.exe" "server.exe" ENABLE
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %PROGRAM_FILES%\ad1.jpg
Modifies file system :
Creates the following files:
- %HOMEPATH%\Recent\Program Files.lnk
- %ALLUSERSPROFILE%\server.exe
- %HOMEPATH%\Recent\ad1.lnk
- %PROGRAM_FILES%\ad1.jpg
- %PROGRAM_FILES%\as.exe
Network activity:
Connects to:
- 'jo####573.zapto.org':5552
UDP:
- DNS ASK jo####573.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'EDIT' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
