The Portuguese Abuse Open Feed 0xSI_f33d is an open sharing database with the ability to collect indicators from multiple sources, developed and maintained by Segurança-Informática. This feed is based on automatic searches and also has a strong contribution from the community. This makes it a reliable and trustworthy and continuously updated source, focused on the threats targeting Portuguese citizens.
The Threat Report Portugal: Q2 2020 compiles data collected on the malicious campaigns that occurred from April to Jun, Q2, of 2020. The campaigns were classified as either phishing or malware. In addition, the report highlights the threats, trends, and key takeaways of threats observed and reported into 0xSI_f33d. This report provides intelligence and indicators of compromise (IOCs) that organizations can use to fight current attacks, anticipating emerging threats, and manage security awareness in a better way.
The results depicted in Figure 1 show that phishing campaigns (84,5%) were more prevalent than malware (15,5%) during Q2 2020.
Observing the threats by category from Jan – Jun, it is possible to verify that there was an increasing number of phishing campaigns during March, April, and Jun, and this is a strong indicator related to the COVID-19 pandemic situation.
From Figure 2, January presented a total of 15 phishing campaigns, 29 in February and 46 during March. 196 campaigns were registered during April, 262 in April, and 204 in June. It is crucial to monitor this growth indicator to predict the trend for the next months.
On the other hand, May and June were the months where malware was spotlighted, with the botnet Mirai and the infamous Lampion Trojan in place. This piece of malware was identified at the end of December 2019 using template emails from the Portuguese Government Finance & Tax and Energias de Portugal (EDP) with the goal of collecting banking details from victim’s devices. Also, other trojan bankers were identified and analyzed during Q2, including TroyStealer and Grandoreiro expanded now to Portugal.
Overall, the Lampion Trojan malware was one of the prevalent threats affecting Portuguese citizens during Q2 2020. Other trojan bankers variants and families affecting users from different banks in Portugal were also observed. These kinds of malwares come from Brazil and the attacks are disseminated via phishing campaigns. Criminals are also using smishing to enlarge the scope and to impact a large group of victims.
In a research conducted by Segurança-Informática, where the whole phishing chain was described, it is possible to validate that the Android trojan bankers used Android webviews to remotely load the phishing-landing page. Those landing-pages were the same that were used in the current phishing waves, confirming that the threat group is the same.
Indeed, the same threat, with the same modus operandi is common amongst different bank organizations.
Regarding the affected sectors (Figure 5), Banking was the most affected with both phishing and malware campaigns hitting Portuguese citizens during Q2 2020. Next, was Retail and Financing, as the most sectors affected in this season.
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About the author Pedro Tavares
Pedro Tavares is a professional in the field of information security, working as an Ethical Hacker, Malware Analyst, Cybersecurity Analyst and also a Security Evangelist. He is also a founding member at CSIRT.UBI and Editor-in-Chief of the security computer blog seguranca-informatica.pt.
(SecurityAffairs – hacking, Threat Report Portugal Q2 2020)