Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100125

MacLeod's description:

Genre: Soundtrack
Length: 2:21
Instruments: Synths
Tempo: 70

Slow moving, and moog-like.
ISRC: US-UAN-11-00125
Dark, Epic, Unnerving 2007