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Tetrade is an umbrella grouping for Brazilian banking malware families. The provided content directly identifies Grandoreiro as part of the Tetrade umbrella/group and notes that Brazilian-origin families such as Grandoreiro, part of Tetrade, remained active in 2025 with global reach despite major law-enforcement disruption in early 2024. Based on the supporting content, Tetrade is associated with Brazilian financial cybercrime activity targeting banks and related financial services. The content specifically ties Tetrade to Grandoreiro, a Brazilian banking trojan used to perform fraudulent banking operations by abusing the victim’s computer to bypass banking security controls. No additional high-confidence aliases, sub-groups, or attribution details beyond Grandoreiro’s membership in Tetrade are directly provided in the content.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
1 malware family attributed to this actor across reporting.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Brazilian banking malware activity cluster associated with Grandoreiro, noted for sustained activity and global reach in financial malware operations.
Brazilian cybercrime umbrella associated here with Grandoreiro banking-trojan operations conducting fraudulent banking activity worldwide.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.