Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'F87CE91C' = '%WINDIR%\F87CE91C\svchsot.exe'
Creates or modifies the following files:
- %WINDIR%\Tasks\At16.job
- %WINDIR%\Tasks\At17.job
- %WINDIR%\Tasks\At18.job
- %WINDIR%\Tasks\At13.job
- %WINDIR%\Tasks\At14.job
- %WINDIR%\Tasks\At15.job
- %WINDIR%\Tasks\At22.job
- %WINDIR%\Tasks\At23.job
- %WINDIR%\Tasks\At24.job
- %WINDIR%\Tasks\At19.job
- %WINDIR%\Tasks\At20.job
- %WINDIR%\Tasks\At21.job
- %WINDIR%\Tasks\At4.job
- %WINDIR%\Tasks\At5.job
- %WINDIR%\Tasks\At6.job
- %WINDIR%\Tasks\At1.job
- %WINDIR%\Tasks\At2.job
- %WINDIR%\Tasks\At3.job
- %WINDIR%\Tasks\At10.job
- %WINDIR%\Tasks\At11.job
- %WINDIR%\Tasks\At12.job
- %WINDIR%\Tasks\At7.job
- %WINDIR%\Tasks\At8.job
- %WINDIR%\Tasks\At9.job
Malicious functions:
Executes the following:
- '<SYSTEM32>\net1.exe' start "Task Scheduler"
- '<SYSTEM32>\net.exe' start "Task Scheduler"
Modifies file system:
Creates the following files:
- %WINDIR%\F87CE91C\svchsot.exe
Network activity:
Connects to:
- 'localhost':2012
- 'xi#####njishu.kmdns.net':8000
UDP:
- DNS ASK xi#####njishu.kmdns.net
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'ИрРЗіМРтЙэј¶ЦР'
- ClassName: '' WindowName: '??????????????'
