CURIUM
Essential information
- Confidence
- 100/100
- Published
- 16/12/2025 19:39
- Modified
- 27/03/2026 01:14
- Updated at
- 27/03/2026 01:14
- Revoked
- No
- Author / Source
- The MITRE Corporation
- Resource level
- —
- Primary motivation
- —
- Related entities
- 19 attack patterns (mitre), 1 malware
Aliases
Crimson Sandstorm TA456 Tortoise Shell Yellow Liderc
Description
[CURIUM](https://attack.mitre.org/groups/G1012) is an Iranian threat group, first reported in September 2019 and active since at least July 2018, targeting IT service providers in the Middle East.(Citation: Symantec Tortoiseshell 2019) [CURIUM](https://attack.mitre.org/groups/G1012) has since invested in building relationships with potential targets via social media over a period of months to establish trust and confidence before sending malware. Security researchers note [CURIUM](https://attack.mitre.org/groups/G1012) has demonstrated great patience and persistence by chatting with potential targets daily and sending benign files to help lower their security consciousness.(Citation: Microsoft Iranian Threat Actor Trends November 2021)
Marking (TLP)
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