Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'Google Updater 2.0' = '%PROGRAMDATA%\Google Updater 2.0\k5y35ysak1ckk.exe'
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Google Updater 2.0' = '"%PROGRAMDATA%\Google Updater 2.0\k5y35ysak1ckk.exe"'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe] 'Debugger' = 'ujsfmoce.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'Google Updater 2.0' = '"%PROGRAMDATA%\Google Updater 2.0\k5y35ysak1ckk.exe"'
Sets the following service settings
- [<HKLM>\System\CurrentControlSet\Services\SSDPSRV] 'Start' = '00000002'
Malicious functions
To bypass firewall, removes or modifies the following registry keys
- [<HKLM>\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- '%APPDATA%\vbc.exe'
Injects code into
the following system processes:
- %WINDIR%\syswow64\explorer.exe
- <SYSTEM32>\dwm.exe
- %WINDIR%\explorer.exe
the following user processes:
- iexplore.exe
- firefox.exe
- excel.exe
Hooks functions
in browsers
- iexplore.exe process, dnsapi.dll module
- firefox.exe process, nss3.dll module
- iexplore.exe process, wininet.dll module
- firefox.exe process, dnsapi.dll module
Searches for windows to
detect analytical utilities:
- ClassName: '', WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'OLLYDBG', WindowName: ''
- ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
- ClassName: 'TIdaWindow', WindowName: ''
Modifies settings of Windows Internet Explorer
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '2500' = '00000003'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4] '2500' = '00000003'
Modifies file system
Creates the following files
- %APPDATA%\vbc.exe
- %APPDATA%\iframes\fields\x-cisco-vpn-settings.xml
- %APPDATA%\iframes\fields\vnd.debian.binary-package.xml
- %APPDATA%\qpid\colors.xml
- %APPDATA%\qpid\rc.exe
- %APPDATA%\qpid\microsoftvisualjupgradeengineinterface.dll
- %APPDATA%\iframes\fields\msddslmp.dll
- %APPDATA%\iframes\fields\x-font-framemaker.xml
- %TEMP%\remind_password\bo\model95.xml
- %APPDATA%\dbmodules\microsoftvisualstudiovshelp.dll
- %APPDATA%\dbmodules\crtowordsfr.dll
- %APPDATA%\dbmodules\msdatasrc.dll
- %APPDATA%\dbmodules\dbgurtmnu.dll
- %APPDATA%\dbmodules\plait.xml
- %TEMP%\remind_password\bo\insertcontrolsbar.xml
- %APPDATA%\dbmodules\microsoftvisualstudioui.dll
- %APPDATA%\iframes\fields\enum.xml
- %APPDATA%\iframes\fields\jsc.exe
- %APPDATA%\iframes\fields\x-ms-wmv.xml
- %TEMP%\imperishabilitynomansland.url
- %APPDATA%\draver\tl\u2ldts.dll
- %APPDATA%\draver\tl\cl.exe
- %APPDATA%\draver\tl\sbsmscorsec.dll
- %APPDATA%\draver\tl\mscorsn.dll
- %APPDATA%\draver\tl\msats10ui.dll
- %TEMP%\nsg8a93.tmp
- %APPDATA%\iframes\fields\u2lexch.dll
- %APPDATA%\iframes\fields\ladyjane.xml
- %APPDATA%\iframes\fields\edbgui.dll
- %APPDATA%\iframes\fields\pidgen.dll
- %APPDATA%\iframes\fields\ram.xml
- %APPDATA%\iframes\fields\microsoftvisualstudiovcproject.xml
- %APPDATA%\iframes\fields\vnd.ms-visio.stencil.macroenabled.main+xml.xml
- %APPDATA%\iframes\fields\dircontrolui.dll
- %TEMP%\harrow
- %TEMP%\hidalgohunchback.dll
Moves the following system files
- from %WINDIR%\syswow64\cmd.exe to %PROGRAMDATA%\google updater 2.0\k5y35ysak1ckk.exe
Network activity
Connects to
- 'br###ase-br.com':80
TCP
HTTP GET requests
- http://br###ase-br.com/~zadmin/div/md.exe
HTTP POST requests
- http://br###ase-br.com/~zadmin/lk/hdd/logout.php?pa#####
UDP
- DNS ASK br###ase-br.com
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: 'GMER'
- ClassName: '' WindowName: 'Monitoring - API Monitor v2 32-bit'
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\rundll32.exe' HidalgoHunchback,Hostage
- '%WINDIR%\syswow64\cmd.exe'
- '%WINDIR%\syswow64\explorer.exe'
