[Storm-0501](https://attack.mitre.org/groups/G1053) is a financially motivated cyber criminal group that uses commodity and open-source tools to conduct ransomware operations. [Storm-0501](https://attack.mitre.org/groups/G1053) has been active since 2021 and has previously been affiliated with Sabbath Ransomware and other Ransomware-as-a-Service (RaaS) variants such as Hive, [BlackCat](https://attack.mitre.org/software/S1068), Hunters International, [LockBit 3.0](https://attack.mitre.org/software/S1202), and [Embargo](https://attack.mitre.org/software/S1247) ransomware.(Citation: Avertium Storm-0501 Sabbath Ransomware Arcane January 2022)(Citation: Microsoft Storm-501 Sabbath Ransomware Embargo September 2024)(Citation: Microsoft Storm-0501 Embargo Ransomware August 2025)(Citation: Google Mandiant Storm-0501 Sabbath Ransomware November 2021)