Malware
Silver Sparrow
According to Red Canary, Silver Sparrow is an activity cluster that includes a binary compiled to run on Apple’s new M1 chips but has been distributed without payload so far.
Silver Sparrow is a macOS malware family.
Background
Red Canary describes Silver Sparrow as an activity cluster featuring a binary built to run natively on Apple's new M1 chips, though to date it has been seen spreading without any actual payload.
Source: Malpedia (Fraunhofer FKIE).