Cервис управления информационной безопасностью
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MITRE ATT&CK - Преступная группа Malteiro
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Преступная группа
Malteiro
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Malteiro

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).(Citation: SCILabs Malteiro 2021)
ID: G1026
Associated Groups: 
Created: 13 Mar 2024
Last Modified: 29 Mar 2024

Associated Group Descriptions
Name Description

Techniques Used
Domain ID Name Use
Enterprise T1059 .005 Command and Scripting Interpreter: Visual Basic

Malteiro has utilized a dropper containing malicious VBS scripts.(Citation: SCILabs Malteiro 2021)
Enterprise T1555 .003 Credentials from Password Stores: Credentials from Web Browsers

Malteiro has stolen credentials stored in the victim’s browsers via software tool NirSoft WebBrowserPassView.(Citation: SCILabs Malteiro 2021)
Enterprise T1027 .013 Obfuscated Files or Information: Encrypted/Encoded File

Malteiro has used scripts encoded in Base64 certificates to distribute malware to victims.(Citation: SCILabs Malteiro Threat Overlap 2023)
Enterprise T1566 .001 Phishing: Spearphishing Attachment

Malteiro has sent spearphishing emails containing malicious .zip files.(Citation: SCILabs Malteiro 2021)
Enterprise T1055 .001 Process Injection: Dynamic-link Library Injection

Malteiro has injected Mispadu’s DLL into a process.(Citation: SCILabs Malteiro 2021)
Enterprise T1518 .001 Software Discovery: Security Software Discovery

Malteiro collects the installed antivirus on the victim machine.(Citation: SCILabs Malteiro 2021)
Enterprise T1614 .001 System Location Discovery: System Language Discovery

Malteiro will terminate Mispadu's infection process if the language of the victim machine is not Spanish or Portuguese.(Citation: SCILabs Malteiro 2021)
Enterprise T1204 .002 User Execution: Malicious File

Malteiro has relied on users to execute .zip file attachments containing malicious URLs.(Citation: SCILabs Malteiro 2021)

Software
ID Name References Techniques
S1122 Mispadu (Citation: ESET Security Mispadu Facebook Ads 2019) (Citation: SCILabs Malteiro 2021) (Citation: SCILabs URSA/Mispadu Evolution 2023) (Citation: Segurança Informática URSA Sophisticated Loader 2020) Deobfuscate/Decode Files or Information, Credentials from Web Browsers, Screen Capture, Msiexec, System Language Discovery, Browser Extensions, Browser Information Discovery, Spearphishing Link, System Information Discovery, Malicious File, Native API, Rundll32, Keylogging, Registry Run Keys / Startup Folder, Encrypted/Encoded File, Process Injection, Security Software Discovery, GUI Input Capture, Process Discovery, System Checks, File and Directory Discovery, Exfiltration Over C2 Channel, Asymmetric Cryptography, Clipboard Data, Credentials from Password Stores, Visual Basic

References

  1. SCILabs. (2021, December 23). Cyber Threat Profile Malteiro. Retrieved March 13, 2024.
  2. SCILabs. (2023, October 8). URSA/Mispadu: Overlap analysis with other threats. Retrieved March 13, 2024.
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