Technical Information
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\rundll32.exe' VNlBtdM.dll,DllRegisterServer
Modifies file system
Creates the following files
- %WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\metadata\f0accf77cdcbff39f6191887f6d2d357
- %WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\content\f0accf77cdcbff39f6191887f6d2d357
- C:\msdownld.tmp\as10acfb.tmp\dws.dll
- %HOMEPATH%\documents\vnlbtdm.dll
Deletes the following files
- C:\msdownld.tmp\as10acfb.tmp\dws.dll
Network activity
TCP
- 'og###dedibl.at':443
UDP
- DNS ASK og###dedibl.at
Miscellaneous
Searches for the following windows
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
Creates and executes the following
- '<SYSTEM32>\rundll32.exe' VNlBtdM.dll,DllRegisterServer' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c ipconfig /all' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\msiexec.exe'
- '%WINDIR%\syswow64\cmd.exe' /c ipconfig /all
