Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler] '{}' = 'afterdays'
Malicious functions:
Executes the following:
- <SYSTEM32>\rundll32.exe <SYSTEM32>\mmutuof.dll,windows
Modifies file system :
Creates the following files:
- %TEMP%\br1.exe
- <SYSTEM32>\mmutuof.dll
Deletes the following files:
- %TEMP%\br1.exe
Network activity:
Connects to:
- 'www.sy###rgerer.com':80
TCP:
HTTP GET requests:
- www.sy###rgerer.com/get.php?pa##########
UDP:
- DNS ASK www.sy###rgerer.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
