Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows Updates' = '%TEMP%\<File name>.exe'
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\vbc.exe' = '%TEMP%\vbc.exe:*:Enabled:Windows Messanger'
- [<HKLM>\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\G679BBVS1H.exe' = '%APPDATA%\G679BBVS1H.exe:*:Enabled:Wi...
Injects code into
the following user processes:
- vbc.exe
Modifies file system
Creates the following files
- %TEMP%\<File name>.exe
- %TEMP%\vbc.exe
- %APPDATA%\g679bbvs1h.exe
- %APPDATA%\data.dat
Network activity
UDP
- DNS ASK ra###.no-ip.biz
Miscellaneous
Creates and executes the following
- '%TEMP%\vbc.exe'
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%TEMP%\vbc.exe" /t REG_SZ /d "%TEMP%\vbc.exe:*:Enabled:W...' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\G679BBVS1H.exe" /t REG_SZ /d "%APPDATA%\G679BB...' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%TEMP%\vbc.exe" /t REG_SZ /d "%TEMP%\vbc.exe:*:Enabled:W...
- '<SYSTEM32>\cmd.exe' /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\G679BBVS1H.exe" /t REG_SZ /d "%APPDATA%\G679BB...
- '<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
- '<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%TEMP%\vbc.exe" /t REG_SZ /d "%TEMP%\vbc.exe:*:Enabled:Windows ...
- '<SYSTEM32>\reg.exe' ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\G679BBVS1H.exe" /t REG_SZ /d "%APPDATA%\G679BBVS1H.ex...
