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=USUAN1100396

MacLeod's description:

Genre: Soundtrack
Length: 2:19
Instruments: Percussion

A semi-chaotic mix of drums with nice reverb. 010
ISRC: US-UAN-11-00396
Dark, Eerie, Suspenseful, Unnerving 2008