Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'syshost.exe' = '"%APPDATA%\syshost.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'syshost.exe' = '"%APPDATA%\syshost.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'lol' = '%APPDATA%\@off@\java.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\{%USERNAME%-#nokia2mon2#}\syshost.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\@off@\java.exe
Executes the following:
- %WINDIR%\explorer.exe
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "lol" /t REG_SZ /d "%APPDATA%\@off@\java.exe" /f
- <SYSTEM32>\cmd.exe /c """%TEMP%\DSonN.bat"" "
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- %APPDATA%\@off@\java.exe
- %TEMP%\DSonN.bat
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\{%USERNAME%-#nokia2mon2#}\syshost.exe
Moves the following system files:
- from %WINDIR%\explorer.exe to %APPDATA%\syshost.exe
Network activity:
Connects to:
- 'sa##.##rkaz-royal.net':7493
UDP:
- DNS ASK sa##.##rkaz-royal.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
