Think, Talk, Hack

FormBook Malware Spreads via Malvertising Using MalVirt Loader to Evade Detection

An ongoing malvertising campaign is being used to distribute virtualized .NET loaders that are designed to deploy the FormBook information-stealing malware. “The loaders, dubbed MalVirt, use obfuscated virtualization for anti-analysis and evasion along with the Windows Process Explorer driver for terminating processes,” SentinelOne researchers Aleksandar Milenkoski and Tom Hegel said in a technical write-up. The […]

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New Threat: Stealthy HeadCrab Malware Compromised Over 1,200 Redis Servers

At least 1,200 Redis database servers worldwide have been corralled into a botnet using an “elusive and severe threat” dubbed HeadCrab since early September 2021. “This advanced threat actor utilizes a state-of-the-art, custom-made malware that is undetectable by agentless and traditional anti-virus solutions to compromise a large number of Redis servers,” Aqua security researcher Asaf […]

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New Prilex Malware Blocks Contactless Payments to Steal Credit Card Data

Prilex is indeed a single threat actor that transformed from malware targeted at ATMs into distinctive modular point-of-sale (PoS) malware. Prilex has resurfaced with new upgrades that allow it to block contactless payment transactions. This is extremely sophisticated malware that uses a special cryptographic technique, patches target software in real-time, forces protocol downgrades, manipulates with cryptograms, performs […]

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Prilex PoS Malware Evolves to Block Contactless Payments to Steal from NFC Cards

The Brazilian threat actors behind an advanced and modular point-of-sale (PoS) malware known as Prilex have reared their head once again with new updates that allow it to block contactless payment transactions. Russian cybersecurity firm Kaspersky said it detected three versions of Prilex (06.03.8080, 06.03.8072, and 06.03.8070) that are capable of targeting NFC-enabled credit cards, […]

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Prilex PoS malware modified to steal data from NFC cards

The components that make up contactless payment systems include credit and debit cards, key fobs, smart cards, and other devices, such as smartphones and other mobile devices that employ radio-frequency identification (RFID) or near-field communication (NFC, which is used in Samsung Pay, Apple Pay, Google Pay, Fitbit Pay, or any bank mobile application that supports […]

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New Report Reveals NikoWiper Malware That Targeted Ukraine Energy Sector

The Russia-affiliated Sandworm used yet another wiper malware strain dubbed NikoWiper as part of an attack that took place in October 2022 targeting an energy sector company in Ukraine. “The NikoWiper is based on SDelete, a command line utility from Microsoft that is used for securely deleting files,” cybersecurity company ESET revealed in its latest […]

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Researchers Uncover Packer Used by Several Malware to Evade Detection for 6 Years

A shellcode-based packer dubbed TrickGate has been successfully operating without attracting notice for over six years, while enabling threat actors to deploy a wide range of malware such as TrickBot, Emotet, AZORult, Agent Tesla, FormBook, Cerber, Maze, and REvil over the years. “TrickGate managed to stay under the radar for years because it is transformative […]

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Titan Stealer: A New Golang-Based Information Stealer Malware Emerges

A new Golang-based information stealer malware dubbed Titan Stealer is being advertised by threat actors through their Telegram channel. “The stealer is capable of stealing a variety of information from infected Windows machines, including credential data from browsers and crypto wallets, FTP client details, screenshots, system information, and grabbed files,” Uptycs security researchers Karthickkumar Kathiresan […]

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Gootkit Malware Continues to Evolve with New Components and Obfuscations

The threat actors associated with the Gootkit malware have made “notable changes” to their toolset, adding new components and obfuscations to their infection chains. Google-owned Mandiant is monitoring the activity cluster under the moniker UNC2565, noting that the usage of the malware is “exclusive to this group.” Gootkit, also called Gootloader, is spread through compromised […]

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Researchers Discover New PlugX Malware Variant Spreading via Removable USB Devices

Cybersecurity researchers have uncovered a PlugX sample that employs sneaky methods to infect attached removable USB media devices in order to propagate the malware to additional systems. “This PlugX variant is wormable and infects USB devices in such a way that it conceals itself from the Windows operating file system,” Palo Alto Networks Unit 42 […]

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Chinese Hackers Utilize Golang Malware in DragonSpark Attacks to Evade Detection

Organizations in East Asia are being targeted by a likely Chinese-speaking actor dubbed DragonSpark while employing uncommon tactics to go past security layers. “The attacks are characterized by the use of the little known open source SparkRAT and malware that attempts to evade detection through Golang source code interpretation,” SentinelOne said in an analysis published […]

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Chinese Hackers Exploit FortiOS Zero-Day Vulnerability to Deploy New Malware

Mandiant recently reported that a group of hackers originating from China utilized a vulnerability within FortiOS SSL-VPN that had only recently been discovered, and marked as a zero-day exploit, in December.  The hackers targeted both a government organization in Europe and an African-based managed service provider with a new, specifically designed malware called ‘BOLDMOVE’ that […]

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Emotet Malware Makes a Comeback with New Evasion Techniques

The Emotet malware operation has continued to refine its tactics in an effort to fly under the radar, while also acting as a conduit for other dangerous malware such as Bumblebee and IcedID. Emotet, which officially reemerged in late 2021 following a coordinated takedown of its infrastructure by authorities earlier that year, has continued to […]

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ChatGPT Can Be Used to Create Dangerous Polymorphic Malware

The cybersecurity experts at CyberArk have provided information on the mechanism by which the ChatGPT AI chatbot can produce a new strain of polymorphic malware. Polymorphic malware could be easily made using ChatGPT. With relatively little effort or expenditure on the part of the attacker, this malware’s sophisticated capabilities can readily elude security tools and […]

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Roaming Mantis Spreading Mobile Malware That Hijacks Wi-Fi Routers’ DNS Settings

Threat actors associated with the Roaming Mantis attack campaign have been observed delivering an updated variant of their patent mobile malware known as Wroba to infiltrate Wi-Fi routers and undertake Domain Name System (DNS) hijacking. Kaspersky, which carried out an analysis of the malicious artifact, said the feature is designed to target specific Wi-Fi routers […]

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Chinese Hackers Exploited Recent Fortinet Flaw as 0-Day to Drop Malware

A suspected China-nexus threat actor exploited a recently patched vulnerability in Fortinet FortiOS SSL-VPN as a zero-day in attacks targeting a European government entity and a managed service provider (MSP) located in Africa. Telemetry evidence gathered by Google-owned Mandiant indicates that the exploitation occurred as early as October 2022, at least nearly two months before […]

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Android Users Beware: New Hook Malware with RAT Capabilities Emerges

The threat actor behind the BlackRock and ERMAC Android banking trojans has unleashed yet another malware for rent called Hook that introduces new capabilities to access files stored in the devices and create a remote interactive session. ThreatFabric, in a report shared with The Hacker News, characterized Hook as a novel ERMAC fork that’s advertised […]

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Hackers Can Abuse Legitimate GitHub Codespaces Feature to Deliver Malware

New research has found that it is possible for threat actors to abuse a legitimate feature in GitHub Codespaces to deliver malware to victim systems. GitHub Codespaces is a cloud-based configurable development environment that allows users to debug, maintain, and commit changes to a given codebase from a web browser or via an integration in […]

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Researchers Uncover 3 PyPI Packages Spreading Malware to Developer Systems

A threat actor by the name Lolip0p has uploaded three rogue packages to the Python Package Index (PyPI) repository that are designed to drop malware on compromised developer systems. The packages – named colorslib (versions 4.6.11 and 4.6.12), httpslib (versions 4.6.9 and 4.6.11), and libhttps (version 4.6.12) – by the author between January 7, 2023, […]

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A new privilege escalation vulnerability in the Linux kernel, enables a local attacker to execute malware on vulnerable systems

A new privilege escalation vulnerability has been identified in the Linux kernel by researcher Davide Ornaghi. This vulnerability might enable a local attacker to execute code on vulnerable computers with elevated rights if the kernel is installed on those systems. Additionally, Davide published the proof-of-concept and the write-up. The vulnerability, which has been assigned the […]

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New Backdoor Created Using Leaked CIA’s Hive Malware Discovered in the Wild

Unidentified threat actors have deployed a new backdoor that borrows its features from the U.S. Central Intelligence Agency (CIA)’s Hive multi-platform malware suite, the source code of which was released by WikiLeaks in November 2017. “This is the first time we caught a variant of the CIA Hive attack kit in the wild, and we […]

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