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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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G1026 · 12 ATT&CK techniques · 0 correlated reports

Malteiro

Aliases: Malteiro

[Malteiro](https://attack.mitre.org/groups/G1026) 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](https://attack.mitre.org/software/S1122) banking trojan via a Malware-as-a-Service (MaaS) business model. [Malteiro](https://attack.mitre.org/groups/G1026) mainly targets victims throughout Latin America (particularly Mexico) and Europe (particularly Spain and Portugal).(Citation: SCILabs Malteiro 2021)

Open interactive actor investigation

ATT&CK techniques

T1027.013T1055.001T1059.005T1082T1140T1204.002T1518.001T1555T1555.003T1566.001T1614.001T1657

Correlated CTI and IR reports

Continue the investigation

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Attack tools, simulations and detection rules

Follow explicit source relationships into the reference modules. Linked procedures and detectors are not claims of live validation or actor attribution.

T1027.013 Encrypted/Encoded File simulation — Exact active technique ID
T1027.013 detection rules — Exact active technique ID; not actor-specific detector coverage
T1055.001 Dynamic-link Library Injection simulation — Exact active technique ID
T1055.001 detection rules — Exact active technique ID; not actor-specific detector coverage
T1059.005 Visual Basic simulation — Exact active technique ID
T1059.005 detection rules — Exact active technique ID; not actor-specific detector coverage
T1082 System Information Discovery simulation — Exact active technique ID
T1082 detection rules — Exact active technique ID; not actor-specific detector coverage
T1140 Deobfuscate/Decode Files or Information simulation — Exact active technique ID
T1140 detection rules — Exact active technique ID; not actor-specific detector coverage
T1204.002 Malicious File simulation — Exact active technique ID
T1204.002 detection rules — Exact active technique ID; not actor-specific detector coverage
T1518.001 Security Software Discovery simulation — Exact active technique ID
T1518.001 detection rules — Exact active technique ID; not actor-specific detector coverage
T1555 Credentials from Password Stores simulation — Exact active technique ID
T1555 detection rules — Exact active technique ID; not actor-specific detector coverage
T1555.003 Credentials from Web Browsers simulation — Exact active technique ID
T1555.003 detection rules — Exact active technique ID; not actor-specific detector coverage
T1566.001 Spearphishing Attachment simulation — Exact active technique ID
T1566.001 detection rules — Exact active technique ID; not actor-specific detector coverage
T1614.001 System Language Discovery simulation — Exact active technique ID
T1614.001 detection rules — Exact active technique ID; not actor-specific detector coverage
T1657 Financial Theft simulation — Exact active technique ID
T1657 detection rules — Exact active technique ID; not actor-specific detector coverage

Cyber Knowledge routes

These contextual routes explain behaviors associated with this ATT&CK group record. They support learning and investigation planning; they do not add attribution evidence.