[CreepyDrive](https://attack.mitre.org/software/S1023) is a custom implant has been used by [POLONIUM](https://attack.mitre.org/groups/G1005) since at least early 2022 for C2 with and exfiltration to actor-controlled OneDrive accounts.(Citation: Microsoft POLONIUM June 2022) [POLONIUM](https://attack.mitre.org/groups/G1005) has used a similar implant called CreepyBox that relies on actor-controlled DropBox accounts.(Citation: Microsoft POLONIUM June 2022)