The Lampion banking trojan campaign, active since at least 2019, is a sophisticated spam operation originating from Brazil that targets users primarily through malicious email attachments and ClickFix-themed lures. The infection chain uses multiple stages of obfuscated Visual Basic scripts to deploy an updated Lampion Stealer malware. The threat actors employ advanced evasion tactics such as IP blacklisting and large file sizes to hinder analysis, and they leverage multiple cloud providers for distributed, ephemeral infrastructure. The campaign targets domains mimicking Portuguese tax authorities and finance portals, indicating a focus on Portuguese-speaking European countries. Although no CVSS score is assigned, the threat poses a medium severity risk due to its potential to steal sensitive banking credentials and personal data, combined with its persistence and stealth. European organizations, especially in Portugal, are at heightened risk given the targeted domain names and lures. Defenders should focus on enhanced email filtering, user awareness training about attachments, domain monitoring, and endpoint detection of obfuscated script execution to mitigate this threat.
The Water Saci campaign is a sophisticated malware operation targeting Portuguese-language systems, leveraging WhatsApp Web hijacking and multi-vector persistence mechanisms. It uses script-based techniques such as VBS downloaders and PowerShell scripts to automate malware distribution and maintain resilience. The campaign employs an email-based command and control infrastructure using IMAP for command retrieval, supplemented by HTTP polling for continuous communication. It features advanced anti-analysis capabilities and real-time remote control, enabling infected machines to operate as a coordinated botnet. The malware shares similarities with the Coyote banking trojan, indicating ties to Brazilian cybercriminal groups. Although no known exploits are reported in the wild, the campaign's complexity and persistence mechanisms pose a medium-level threat. European organizations with Portuguese-speaking user bases or connections to Brazil should be particularly vigilant. Mitigation requires targeted detection of script-based loaders, monitoring of WhatsApp Web session anomalies, and securing email clients against unauthorized IMAP access. Countries with strong economic or cultural ties to Brazil, such as Portugal and Spain, are most likely to be affected.
The Brazilian Caminho loader is a sophisticated malware delivery mechanism active since March 2025, leveraging LSB steganography to hide . NET payloads within images hosted on legitimate platforms. It initiates infection via phishing emails containing malicious scripts that download these steganographic images. The loader executes payloads filelessly in memory and establishes persistence using scheduled tasks. Caminho operates as a Loader-as-a-Service, delivering multiple malware families such as Remcos RAT, Xworm, and Katz stealer across South America, Africa, and Eastern Europe. Its use of bulletproof hosting and Portuguese language artifacts indicates a Brazilian origin and professional operation. The campaign targets multiple industries opportunistically without a specific sector focus. The infection chain employs multiple advanced techniques including fileless execution, steganography, and obfuscation, complicating detection and mitigation efforts. European organizations, especially in Eastern Europe, face risks of data theft, espionage, and system compromise. Mitigation requires targeted email security, memory scanning, and monitoring of scheduled tasks for persistence.
A new Astaroth banking trojan campaign has been discovered abusing GitHub to host malware configurations. The infection begins with a phishing email containing a link to download a zipped Windows shortcut file, which installs the Astaroth malware. The trojan detects when users access banking or cryptocurrency websites and steals credentials through keylogging. It sends stolen information to attackers using Ngrok reverse proxy and uses GitHub to update its configuration when command and control servers become inaccessible. The malware primarily targets South American countries, with a focus on Brazil. Astaroth employs various anti-analysis techniques and targets specific banking and cryptocurrency-related sites. The GitHub repositories hosting the malicious configurations have been reported and taken down.
The Iranian threat actor Nimbus Manticore has expanded its operations, targeting defense, telecommunications, and aviation sectors in Western Europe. The group uses sophisticated spear-phishing techniques, impersonating HR recruiters to lure victims to fake career portals. Their toolset includes the MiniJunk backdoor and MiniBrowse stealer, which have evolved to employ advanced evasion techniques like multi-stage DLL sideloading, heavy obfuscation, and code signing. The malware infrastructure leverages Azure App Services for resilient command and control. Nimbus Manticore's recent activities demonstrate increased focus on stealth, operational security, and expanding their targeting to align with Iranian strategic priorities.
TA558 Uses AI-Generated Scripts to Deploy Venom RAT in Brazil Hotel Attacks
Source: https://thehackernews.com/2025/09/ta558-uses-ai-generated-scripts-to.html
Hackers Grab $130M Using Brazil's Real-Time Payment System
Source: https://www.databreachtoday.co.uk/hackers-grab-130m-using-brazils-real-time-payment-system-a-29352
The ClickFix social engineering technique has gained popularity among threat actors, targeting thousands of devices globally. It tricks users into executing malicious commands on their devices by exploiting their tendency to solve minor technical issues. The technique often impersonates legitimate brands and combines with delivery vectors like phishing and malvertising. ClickFix campaigns typically lead users to a visual lure, such as a landing page, instructing them to run commands in the Windows Run dialog. This user interaction element helps bypass conventional security solutions. Various malware, including infostealers and remote access tools, are delivered through ClickFix attacks. The technique has evolved to target macOS users and is being sold as part of malware kits on hacker forums.
A sophisticated ransomware campaign has been uncovered, masquerading as a new SAP Ariba tool. The attack uses email lures, sender spoofing, and impersonation of legitimate software vendors to deliver LeeMe Ransomware. The malware employs SAP branding, a fake GUI, and a Portuguese ransom note. It targets various file types using AES-256 encryption and includes keylogging and data exfiltration capabilities. The ransomware creates autorun entries, bypasses Windows Defender, and sets up remote access. With a relatively low ransom demand, it appears to be a widespread campaign rather than targeting high-value individuals. The attack serves as a reminder of the importance of user vigilance and proper cybersecurity measures.
A new Android Trojan called PhantomCard is targeting banking customers in Brazil, with potential for global expansion. The malware relays NFC data from victims' banking cards to fraudsters' devices, enabling unauthorized transactions. Distributed through fake 'Google Play' pages as a 'card protection' app, PhantomCard is based on a Chinese-originating NFC relay Malware-as-a-Service. The actor behind it is a known reseller of Android threats in Brazil. PhantomCard's emergence highlights the growing popularity of NFC-based attacks among cybercriminals and the evolving threat landscape, where local threats can reach global markets through reselling schemes.
Threat actors are leveraging generative AI tools like DeepSite AI and BlackBox AI to create phishing templates that closely mimic official Brazilian government websites, such as the State Department of Traffic and Ministry of Education. These malicious replicas are boosted in search results using SEO poisoning techniques. The phishing pages collect sensitive personal data, including CPF numbers and addresses, validating the information through APIs to build credibility. The ultimate goal is to trick victims into making payments via Pix, Brazil's instant payment system. Technical analysis reveals AI-generated source code signatures, including TailwindCSS styling, explanatory comments, and non-functional elements. The campaign demonstrates the evolving sophistication of phishing attacks empowered by generative AI tools.
A large-scale Malware-as-a-Service operation, orchestrated by Chinese-speaking threat actors, has infected over 11,000 Android devices globally with the PlayPraetor Remote Access Trojan. The campaign primarily targets Europe, with significant presence in Portugal, Spain, and France, but also affects Africa, Latin America, and Asia. The botnet is expanding rapidly, with over 2,000 new infections weekly, focusing on Spanish and French speakers. The operation is managed through a sophisticated Chinese-language Command and Control panel, supporting multiple affiliates. PlayPraetor abuses Android's Accessibility Services to gain real-time control over compromised devices, targeting nearly 200 banking apps and cryptocurrency wallets worldwide.
A SpyLoan application called 'RapiPlata' was identified on a victim's device, having been downloaded by over 150,000 users from both Google Play and Apple App Store. The app, which ranked in the top 20 finance category in Colombia, had extensive access to sensitive user data, including SMS messages, call logs, calendar events, and installed applications. It uploaded this data to its servers, posing significant risks to users' privacy and financial security. The app's malicious behavior included harassing messages, unauthorized loan approvals, and data theft. Despite its removal from official app stores, it remains accessible through third-party websites. The app is part of a larger SpyLoan malware operation, with similarities to previously identified malicious apps.
New Predator spyware infrastructure revealed activity in Mozambique for first time
Source: https://securityaffairs.com/179036/hacking/new-predator-spyware-infrastructure-revealed-activity-in-mozambique-for-first-time.html
Paraguay Suffered Data Breach: 7.4 Million Citizen Records Leaked on Dark Web
Source: https://securityaffairs.com/178970/data-breach/paraguay-suffered-data-breach-7-4-million-citizen-records-leaked-on-dark-web.html
Hive0131 is conducting email campaigns targeting users in Colombia with fake electronic notifications of criminal proceedings, purportedly from The Judiciary of Colombia. The campaigns deliver DCRat, a banking trojan operated as Malware-as-a-Service, through embedded links or PDF lures. DCRat's presence has increased in Latin America since 2024. The infection chain involves downloading a loader called VMDetectLoader, which uses process hollowing to inject DCRat into memory. VMDetectLoader can detect virtual machines and create persistence through scheduled tasks or registry keys. DCRat has various capabilities including recording victims, file manipulation, and keystroke logging. IBM X-Force assesses that Latin America will continue facing targeting from actors deploying banking trojans via phishing campaigns.
A spam campaign targeting Brazilian users, particularly C-level executives and financial/HR accounts, has been identified since January 2025. The campaign exploits commercial remote monitoring and management (RMM) tools, specifically PDQ Connect and N-able remote access tools. Attackers use Brazilian electronic invoice system (NF-e) as bait, leading victims to malicious content on Dropbox. The threat actor, likely an initial access broker, abuses free trial periods of RMM tools to gain complete control of target machines. The campaign's objective is to create a network of compromised machines for potential sale to third parties, including ransomware operators and state-sponsored actors. The abuse of commercial RMM tools is increasing due to their digital signatures, full backdoor capabilities, and low cost.
A highly focused malicious campaign targeting Portuguese organizations, particularly in government, finance, and transportation sectors, has been uncovered. The campaign is linked to Lampion malware, an infostealer focusing on banking information. The threat actors have incorporated ClickFix lures, a social engineering technique that tricks victims into executing malicious commands. The infection chain involves multiple stages of obfuscated Visual Basic scripts, evasion techniques, and a complex execution method. While the final payload was not delivered in this instance, the campaign demonstrates the threat actors' adaptation and sophistication. The article emphasizes the importance of enhanced detection capabilities and provides recommendations for security practitioners to address this evolving threat.