UnclassifiedIdeologyAdvanced sophistication
QuietCrabs
QuietCrabs is a threat actor group with an ideological motive, tracked by Brandefense. It uses 9 MITRE ATT&CK techniques.
- Techniques
- 9
- Exploited CVEs
- No CVE data
- Record updated
About QuietCrabs.
An actor believed to originate from Asia with a focus on cyber espionage, known for long dwell times (averaging 393 days) and using custom malware like KrustyLoader.
Last updated Jul 24, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.