APT / THREAT GROUP
EC2 Grouper
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
EC2 Grouper is a prolific threat actor known for leveraging AWS tools for PowerShell to conduct automated attacks in cloud environments. They typically utilize the CreateSecurityGroup API to establish remote access and exhibit a consistent security group naming convention. Credential acquisition is believed to stem from compromised cloud access keys, often sourced from public code repositories. Notably, their activities do not include calls to AuthorizeSecurityGroupIngress, suggesting a selective approach to escalation.
Threat Analysis
EC2 Grouper is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
External References
Quick Facts
TypeAPT / Threat Group
Aliases1
SourceMalpedia
Also Known As
EC2 Grouper
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.