Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Winlogon' = '%APPDATA%\Microsoft\winlogon.exe'
Malicious functions:
Creates and executes the following:
- '%APPDATA%\Microsoft\winlogon.exe'
Modifies file system :
Creates the following files:
- %APPDATA%\Microsoft\winlogon.exe
- %TEMP%\m673520.res
- %TEMP%\aut1.tmp
Deletes the following files:
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 's1.###5-download.ru':6667
UDP:
- DNS ASK s1.###5-download.ru
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'