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Brazilian Hackers | Breaking Cybersecurity News | The Hacker News

Brazilian Cybercriminals Using LOLBaS and CMD Scripts to Drain Bank Accounts

Brazilian Cybercriminals Using LOLBaS and CMD Scripts to Drain Bank Accounts

Jun 05, 2023 Banking Security / Malware
An unknown cybercrime threat actor has been observed targeting Spanish- and Portuguese-speaking victims to compromise online banking accounts in Mexico, Peru, and Portugal. "This threat actor employs tactics such as LOLBaS (living-off-the-land binaries and scripts), along with CMD-based scripts to carry out its malicious activities," the BlackBerry Research and Intelligence Team  said  in a report published last week. The cybersecurity company attributed the campaign, dubbed Operation CMDStealer , to a Brazilian threat actor based on an analysis of the artifacts. The attack chain primarily leverages social engineering, banking on Portuguese and Spanish emails containing tax- or traffic violation-themed lures to trigger the infections and gain unauthorized access to victims' systems. The emails come fitted with an HTML attachment that contains obfuscated code to fetch the next-stage payload from a remote server in the form of a RAR archive file. The files, which are
Alert: Brazilian Hackers Targeting Users of Over 30 Portuguese Banks

Alert: Brazilian Hackers Targeting Users of Over 30 Portuguese Banks

May 25, 2023 Financial Security / Cyber Threat
A Brazilian threat actor is targeting more than 30 Portuguese financial institutions with information-stealing malware as part of a long-running campaign that commenced in 2021. "The attackers can steal credentials and exfiltrate users' data and personal information, which can be leveraged for malicious activities beyond financial gain," SentinelOne researchers Aleksandar Milenkoski and Tom Hegel  said  in a new report shared with The Hacker News. The cybersecurity firm, which began tracking "Operation Magalenha" earlier this year, said the intrusions culminate in the deployment of two variants of a backdoor called  PeepingTitle  so as to "maximize attack potency." The links to Brazil stem from the use of the Brazilian-Portuguese language within the detected artifacts as well as source code overlaps with another banking trojan known as  Maxtrilha , which was first disclosed in September 2021. PeepingTitle, like Maxtrilha, is written in the Delphi
Making Sense of Operational Technology Attacks: The Past, Present, and Future

Making Sense of Operational Technology Attacks: The Past, Present, and Future

Mar 21, 2024Operational Technology / SCADA Security
When you read reports about cyber-attacks affecting operational technology (OT), it's easy to get caught up in the hype and assume every single one is sophisticated. But are OT environments all over the world really besieged by a constant barrage of complex cyber-attacks? Answering that would require breaking down the different types of OT cyber-attacks and then looking back on all the historical attacks to see how those types compare.  The Types of OT Cyber-Attacks Over the past few decades, there has been a growing awareness of the need for improved cybersecurity practices in IT's lesser-known counterpart, OT. In fact, the lines of what constitutes a cyber-attack on OT have never been well defined, and if anything, they have further blurred over time. Therefore, we'd like to begin this post with a discussion around the ways in which cyber-attacks can either target or just simply impact OT, and why it might be important for us to make the distinction going forward. Figure 1 The Pu
PixPirate: New Android Banking Trojan Targeting Brazilian Financial Institutions

PixPirate: New Android Banking Trojan Targeting Brazilian Financial Institutions

Feb 04, 2023 Mobile Security / Malware
A new Android banking trojan has set its eyes on Brazilian financial institutions to commit fraud by leveraging the PIX payments platform. Italian cybersecurity company Cleafy, which discovered the malware between the end of 2022 and the beginning of 2023, is tracking it under the name PixPirate. "PixPirate belongs to the newest generation of Android banking trojan, as it can perform ATS ( Automatic Transfer System ), enabling attackers to automate the insertion of a malicious money transfer over the instant payment platform PIX, adopted by multiple Brazilian banks," researchers Francesco Iubatti and Alessandro Strino  said . It is also the latest addition in a long list of Android banking malware to abuse the operating system's accessibility services API to carry out its nefarious functions, including disabling Google Play Protect, intercepting SMS messages, preventing uninstallation, and serving rogue ads via push notifications. Besides stealing passwords entered
cyber security

Automated remediation solutions are crucial for security

websiteWing SecurityShadow IT / SaaS Security
Especially when it comes to securing employees' SaaS usage, don't settle for a longer to-do list. Auto-remediation is key to achieving SaaS security.
More Stealthier Version of BrazKing Android Malware Spotted in the Wild

More Stealthier Version of BrazKing Android Malware Spotted in the Wild

Nov 23, 2021
Banking apps from Brazil are being targeted by a more elusive and stealthier version of an Android remote access trojan (RAT) that's capable of carrying out financial fraud attacks by stealing two-factor authentication (2FA) codes and initiating rogue transactions from infected devices to transfer money from victims' accounts to an account operated by the threat actor. IBM X-Force dubbed the revamped banking malware BrazKing , a previous version of which was referred to as  PixStealer  by Check Point Research. The mobile RAT was first seen around November 2018,  according  to ThreatFabric. "It turns out that its developers have been working on making the malware more agile than before, moving its core overlay mechanism to pull fake overlay screens from the command-and-control (C2) server in real-time," IBM X-Force researcher Shahar Tavor  noted  in a technical deep dive published last week. "The malware […] allows the attacker to log keystrokes, extract the pa
Hackers Targeting Brazil's PIX Payment System to Drain Users' Bank Accounts

Hackers Targeting Brazil's PIX Payment System to Drain Users' Bank Accounts

Sep 29, 2021
Two newly discovered malicious Android applications on Google Play Store have been used to target users of Brazil's instant payment ecosystem in a likely attempt to lure victims into fraudulently transferring their entire account balances into another bank account under cybercriminals' control. "The attackers distributed two different variants of banking malware, named PixStealer and MalRhino , through two separate malicious applications […] to carry out their attacks," Check Point Research said in an analysis shared with The Hacker News. "Both malicious applications were designed to steal money of victims through user interaction and the original PIX application." The two apps in question, which were uncovered in April 2021, have since been removed from the app store. Launched in November 2020 by the Central Bank of Brazil, the country's monetary authority,  Pix  is a state-owned payments platform that enables consumers and companies to make mone
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