Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysfbtray' = '%WINDIR%\bill106.exe'
Malicious functions:
Executes the following:
- '<SYSTEM32>\cmd.exe' /c %WINDIR%\dxxdv34567.bat
- '%WINDIR%\bill106.exe'
Modifies file system:
Creates the following files:
- %WINDIR%\dxxdv34567.bat
- %WINDIR%\bill106.exe
- C:\fb20160531.log
Sets the 'hidden' attribute to the following files:
- %WINDIR%\bill106.exe
Deletes itself.
Network activity:
Connects to:
- '74.##5.232.51':80
TCP:
HTTP GET requests:
- http://www.google.com/ via 74.##5.232.51
UDP:
- DNS ASK www.google.com