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Win32.HLLP.Rox.1.origin

Added to the Dr.Web virus database: 2019-08-07

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows] 'AppInit_DLLs' = '<SYSTEM32>\dnsq.dll'
Creates the following services
  • [<HKLM>\System\CurrentControlSet\Services\NetApi000] 'ImagePath' = 'C:\NetApi000.sys'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\pagefile.pif
Malicious functions
Creates and loads libraries (exploit)
  • <SYSTEM32>\dnsq.dll
Executes the following
  • '%ProgramFiles%\internet explorer\iexplore.exe' http://w.##mo.com/r.htm
Modifies file system
Creates the following files
  • C:\netapi000.sys
  • <SYSTEM32>\com\smss.exe
  • <SYSTEM32>\com\netcfg.000
  • <SYSTEM32>\com\netcfg.dll
  • <SYSTEM32>\com\lsass.exe
  • C:\037589.log
  • <SYSTEM32>\1319389.log
  • <SYSTEM32>\dnsq.dll
  • C:\autorun.inf
  • C:\pagefile.pif
  • D:\autorun.inf
  • D:\pagefile.pif
Sets the 'hidden' attribute to the following files
  • C:\netapi000.sys
  • <SYSTEM32>\com\smss.exe
  • <SYSTEM32>\com\netcfg.000
  • <SYSTEM32>\com\netcfg.dll
  • <SYSTEM32>\com\lsass.exe
  • C:\037589.log
  • <SYSTEM32>\dnsq.dll
  • C:\autorun.inf
  • C:\pagefile.pif
  • D:\autorun.inf
  • D:\pagefile.pif
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\pagefile.pif
Deletes the following files
  • C:\netapi000.sys
Substitutes the following files
  • C:\netapi000.sys
Network activity
TCP
HTTP GET requests
  • http://w.##mo.com/r.htm
  • http://pa###ngcrew.net/assets/scripts/js3.js
  • http://w.##mo.com/track.php?do###############################################################################################################################################################
  • http://iy###arch.com/?dn#######################
UDP
  • DNS ASK ba##u.com
  • DNS ASK w.##mo.com
  • DNS ASK pa###ngcrew.net
  • DNS ASK iy###arch.com
Miscellaneous
Searches for the following windows
  • ClassName: 'XOR' WindowName: 'MSCTFIME SMSS'
  • ClassName: '' WindowName: 'SREng ½éÉÜ'
  • ClassName: '' WindowName: '@@Éý¼¶'
  • ClassName: '' WindowName: 'ɨÃè'
  • ClassName: 'fg' WindowName: 'gg'
  • ClassName: '#32770' WindowName: 'MCI Program Com Application'
  • ClassName: 'dd' WindowName: 'gg'
  • ClassName: 'XOR' WindowName: 'MSICTFIME SMSS'
  • ClassName: '' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
Creates and executes the following
  • '<SYSTEM32>\com\smss.exe' %ALLUSERSPROFILE%\Start Menu\Programs\Startup\~.exe
  • '<SYSTEM32>\com\lsass.exe'
  • '<SYSTEM32>\cmd.exe' /c echo ok' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\bak"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\dnsq.dll"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\netcfg.dll"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\netcfg.000"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\lsass.exe"' (with hidden window)
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\smss.exe"' (with hidden window)
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\smss.exe /e /t /g Everyone:F' (with hidden window)
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\smss.exe /e /t /g user:F' (with hidden window)
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\lsass.exe /e /t /g Everyone:F' (with hidden window)
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\lsass.exe /e /t /g user:F' (with hidden window)
  • '<SYSTEM32>\regsvr32.exe' <SYSTEM32>\com\netcfg.dll /s' (with hidden window)
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com /e /t /g Everyone:F' (with hidden window)
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com /e /t /g user:F' (with hidden window)
  • '<SYSTEM32>\ping.exe' -f -n 1 www.ba##u.com' (with hidden window)
  • '%ProgramFiles%\internet explorer\iexplore.exe' http://w.##mo.com/r.htm' (with hidden window)
Executes the following
  • '<SYSTEM32>\cmd.exe' /c echo ok
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com /e /t /g user:F
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com /e /t /g Everyone:F
  • '<SYSTEM32>\regsvr32.exe' <SYSTEM32>\com\netcfg.dll /s
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\lsass.exe /e /t /g user:F
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\lsass.exe /e /t /g Everyone:F
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\smss.exe /e /t /g user:F
  • '<SYSTEM32>\cacls.exe' <SYSTEM32>\com\smss.exe /e /t /g Everyone:F
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\smss.exe"
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\lsass.exe"
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\netcfg.000"
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\netcfg.dll"
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\dnsq.dll"
  • '<SYSTEM32>\cmd.exe' /c rd /s /q "<SYSTEM32>\com\bak"
  • '<SYSTEM32>\ping.exe' -f -n 1 www.ba##u.com
  • '<SYSTEM32>\rundll32.exe' "%ProgramFiles%\Microsoft Office\Office12\GrooveUtil.DLL",GetResourceModulePath trKTi/kNclGWvtoq0dvNv86qkSfdRUiU

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