Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Microsoft Stuff you know' = 'winslogin.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Stuff you know' = 'winslogin.exe'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\winslogin.exe
- <SYSTEM32>\winslogin.exe 284 "<Full path to virus>"
Modifies file system :
Creates the following files:
- <SYSTEM32>\winslogin.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\winslogin.exe
Network activity:
Connects to:
- 'ir#.#uztest.com':8782
UDP:
- DNS ASK ir#.#uztest.com