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This page is part of Threat Matrix, the public browser workspace for the main AdversaryGraph platform. Use it for ATT&CK pivots, actor and technique context, similarity leads, detection coverage review, and analyst-ready investigation paths.
Validation disclaimer: TTP overlap, actor similarity, generated summaries, and coverage findings are investigation leads, not attribution proof or operational validation without analyst review.
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Malteiro
Aliases: None listed
Malteiro is a financially motivated criminal group that is likely based in Brazil and has been active since at least November 2019. The group operates and distributes the Mispadu banking trojan via a Malware-as-a-Service (MaaS) business model. Malteiro mainly targets victims throughout Latin America (particularly Mexico) and Europe (particularly Spain and Portugal).
Open interactive actor investigation
ATT&CK techniques
Malicious FileT1555.003
Credentials from Web BrowsersT1055.001
Dynamic-link Library InjectionT1657
Financial TheftT1082
System Information DiscoveryT1059.005
Visual BasicT1027.013
Encrypted/Encoded FileT1518.001
Security Software DiscoveryT1566.001
Spearphishing AttachmentT1555
Credentials from Password StoresT1140
Deobfuscate/Decode Files or InformationT1614.001
System Language Discovery