TA542
TA542 is a cybercrime syndicate with a financial motive, tracked by Brandefense. It targets 8 sectors, including Government and Technology, in 3 countries, including the United States and the United Kingdom. It uses 2 MITRE ATT&CK techniques.
Also known as
- Mummy Spider
- ATK 104
- Mealybug
- Gold Crestwood
- Emotet Group
- Techniques
- 2
- Exploited CVEs
- No CVE data
- First seen
- Jan 1, 2014
- Record updated
Who They Target.
Sectors · 8
Countries · 3
Labelsbdef-qf:latestglobal
How They Operate · MITRE ATT&CK.
2 techniques across 1 of 14 tacticsArsenal · Malware And Tools.
- BlackCatmalware
- Emotetmalware
- Quantum Lockermalware
Last updated Nov 3, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.