Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '5a07966c3b106a03775bce5c650e8fac' = '"%TEMP%\EBhost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '5a07966c3b106a03775bce5c650e8fac' = '"%TEMP%\EBhost.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\5a07966c3b106a03775bce5c650e8fac.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\wscript.exe' = '<SYSTEM32>\wscript.exe:*:Enabled:wscript.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\EBhost.exe' = '%TEMP%\EBhost.exe:*:Enabled:EBhost.exe'
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Creates and executes the following:
- '%TEMP%\EBhost.exe'
Executes the following:
- '<SYSTEM32>\wscript.exe' "%TEMP%\EBhost.vbe"
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "<SYSTEM32>\wscript.exe" "wscript.exe" ENABLE
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\EBhost.exe" "EBhost.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\EBhost.vbe
- %TEMP%\EBhost.exe
Deletes the following files:
- %TEMP%\EBhost.vbe
Network activity:
Connects to:
- 'localhost':1177
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'