Malware
KeyBase
aka Kibex
KeyBase is a .NET credential stealer and keylogger that first emerged in February 2015.
KeyBase, also known as Kibex, is a Windows malware family.
Background
KeyBase is a .NET-based credential stealer and keylogger that initially appeared in February 2015. To pull additional credentials, it frequently bundles Nirsoft utilities like MailPassView and WebBrowserPassView.
Source: Malpedia (Fraunhofer FKIE).