Technical Information
To ensure autorun and distribution:
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\1.exe
Malicious functions:
Executes the following:
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\a18467stva41a.dll, droqp
- '<SYSTEM32>\cacls.exe' %TEMP%\ /e /p everyone:f cacls "%WINDIR%" /e /p everyone:f
- '<SYSTEM32>\sc.exe' config AVP start= disabled
- '<SYSTEM32>\wbem\wmiadap.exe' /R /T
- '<SYSTEM32>\ipconfig.exe' /all
- '<SYSTEM32>\taskkill.exe' /im 360sd_se.exe /f
- '<SYSTEM32>\sc.exe' config rsravmon start= disabled
- '<SYSTEM32>\sc.exe' config ekrn start= disabled
- '<SYSTEM32>\taskkill.exe' /im ekrn.exe /f
- '<SYSTEM32>\taskkill.exe' /im 360sd.exe /f
- '<SYSTEM32>\taskkill.exe' /im egui.exe /f
Terminates or attempts to terminate
the following user processes:
- ekrn.exe
Hooks the following functions in System Service Descriptor Table (SSDT):
- NtQuerySystemInformation, handler: pcidump.sys
Hides the following processes:
- <SYSTEM32>\cacls.exe
- <SYSTEM32>\wbem\wmiprvse.exe
- <SYSTEM32>\taskkill.exe
- <Auxiliary element>
- <SYSTEM32>\sc.exe
Modifies file system :
Creates the following files:
- <DRIVERS>\pcidump.sys
- C:\1.exe
- C:\autorun.inf
- <SYSTEM32>\a18467stva41a.dll
- %TEMP%\pci1.sys
- %WINDIR%\def26500aab6334ccd.dll
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\1.exe
- <Drive name for removable media>:\autorun.inf
- C:\1.exe
- C:\autorun.inf
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\401[1].txt
Modifies the HOSTS file.
Network activity:
Connects to:
- 'dw####ff.3322.org':80
- 'localhost':1039
TCP:
HTTP GET requests:
- dw####ff.3322.org/401.txt
UDP:
- DNS ASK dw####ff.3322.org
Miscellaneous:
Searches for the following windows:
- ClassName: '#32770' WindowName: 'Windows ОДјю±Ј»¤'
- ClassName: '#32770' WindowName: 'Windows ????????'
- ClassName: '' WindowName: ''
