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CybercrimeFinancialIntermediate sophistication · Organisation

TA551

TA551 is a Russia-attributed cybercrime syndicate with a financial motive, tracked by Brandefense. It targets 5 sectors, including Manufacturing and Finance, in 5 countries, including the United States and the United Kingdom. It uses 33 MITRE ATT&CK techniques.

Also known as
  • GOLD CABIN
  • Shathak
  • Monster Libra
  • G0127
Origin
Russia
Techniques
33
Exploited CVEs
No CVE data
First seen
Jan 1, 2018
Last seen
Apr 15, 2021
Record updated

Who They Target.

Labelsbdef-qf:latest

About TA551.

TA551 is a financially-motivated threat group that has been active since at least 2018. The group has primarily targeted English, German, Italian, and Japanese speakers through email-based malware distribution campaigns.

Last updated Sep 11, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.