Looks and sounds like a Yellow Sac spider. Don’t know if you’re in Michigan too but they’re pretty widespread as far as I know. And when we get them, we get them in bunches, and they have an unnerving habit of dropping down from the ceiling five inches in front of my face. Couldn’t tell you how many times that’s happened. Gah.
And they are somewhat venomous. Sweetie got bit by…something…several years ago, ended up with a weird scabby spot a quarter inch wide on his back and felt like crap for a couple of weeks. I can’t prove it but reading up it sounded a lot like the symptoms of a yellow sac bite, and they ARE all over around here at certain times of the year. I like house spiders (go ahead, eat all the bugs thank you) but I won’t hesitate to squish a yellow sac when I see one.