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Researchers have pulled back the curtain on an updated version of an Apple macOS malware called RustBucket that comes with improved capabilities to establish persistence and avoid detection by security software. “This variant of RustBucket, a malware family that targets macOS systems, adds persistence capabilities not previously observed,” Elastic Security Labs researchers said in a […]
A new process injection technique dubbed Mockingjay could be exploited by threat actors to bypass security solutions to execute malicious code on compromised systems. “The injection is executed without space allocation, setting permissions or even starting a thread,” Security Joes researchers Thiago Peixoto, Felipe Duarte, and Ido Naor said in a report shared with The […]
A new Android malware campaign has been observed pushing the Anatsa banking trojan to target banking customers in the U.S., U.K., Germany, Austria, and Switzerland since the start of March 2023. “The actors behind Anatsa aim to steal credentials used to authorize customers in mobile banking applications and perform Device-Takeover Fraud (DTO) to initiate fraudulent […]
A new strain of JavaScript dropper has been observed delivering next-stage payloads like Bumblebee and IcedID. Cybersecurity firm Deep Instinct is tracking the malware as PindOS, which contains the name in its “User-Agent” string. Both Bumblebee and IcedID serve as loaders, acting as a vector for other malware on compromised hosts, including ransomware. A recent […]
The North Korean threat actor known as ScarCruft has been observed using an information-stealing malware with previously undocumented wiretapping features as well as a backdoor developed using Golang that exploits the Ably real-time messaging service. “The threat actor sent their commands through the Golang backdoor that is using the Ably service,” the AhnLab Security Emergency […]
The threat actor known as ChamelGang has been observed using a previously undocumented implant to backdoor Linux systems, marking a new expansion of the threat actor’s capabilities. The malware, dubbed ChamelDoH by Stairwell, is a C++-based tool for communicating via DNS-over-HTTPS (DoH) tunneling. ChamelGang was first outed by Russian cybersecurity firm Positive Technologies in September […]
A novel multi-stage loader called DoubleFinger has been observed delivering a cryptocurrency stealer dubbed GreetingGhoul in what’s an advanced attack targeting users in Europe, the U.S., and Latin America. “DoubleFinger is deployed on the target machine, when the victim opens a malicious PIF attachment in an email message, ultimately executing the first of DoubleFinger’s loader […]
Security researchers have warned about an “easily exploitable” flaw in the Microsoft Visual Studio installer that could be abused by a malicious actor to impersonate a legitimate publisher and distribute malicious extensions. “A threat actor could impersonate a popular publisher and issue a malicious extension to compromise a targeted system,” Varonis researcher Dolev Taler said. […]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) have published a joint advisory regarding the active exploitation of a recently disclosed critical flaw in Progress Software’s MOVEit Transfer application to drop ransomware. “The Cl0p Ransomware Gang, also known as TA505, reportedly began exploiting a previously unknown SQL injection vulnerability […]
Threat actors associated with the Cyclops ransomware have been observed offering an information stealer malware that’s designed to capture sensitive data from infected hosts. “The threat actor behind this [ransomware-as-a-service] promotes its offering on forums,” Uptycs said in a new report. “There it requests a share of profits from those engaging in malicious activities using […]
Spanish-speaking users in Latin America have been at the receiving end of a new botnet malware dubbed Horabot since at least November 2020. “Horabot enables the threat actor to control the victim’s Outlook mailbox, exfiltrate contacts’ email addresses, and send phishing emails with malicious HTML attachments to all addresses in the victim’s mailbox,” Cisco Talos […]
An analysis of the “evasive and tenacious” malware known as QBot has revealed that 25% of its command-and-control (C2) servers are merely active for a single day. What’s more, 50% of the servers don’t remain active for more than a week, indicating the use of an adaptable and dynamic C2 infrastructure, Lumen Black Lotus Labs […]
A crypter (alternatively spelled cryptor) malware dubbed AceCryptor has been used to pack numerous strains of malware since 2016. Slovak cybersecurity firm ESET said it identified over 240,000 detections of the crypter in its telemetry in 2021 and 2022. This amounts to more than 10,000 hits per month. Some of the prominent malware families contained […]
A new phishing technique called “file archiver in the browser” can be leveraged to “emulate” a file archiver software in a web browser when a victim visits a .ZIP domain. “With this phishing attack, you simulate a file archiver software (e.g., WinRAR) in the browser and use a .zip domain to make it appear more […]
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 […]
A hacking group dubbed OilAlpha with suspected ties to Yemen’s Houthi movement has been linked to a cyber espionage campaign targeting development, humanitarian, media, and non-governmental organizations in the Arabian peninsula. “OilAlpha used encrypted chat messengers like WhatsApp to launch social engineering attacks against its targets,” cybersecurity company Recorded Future said in a technical report […]
The Chinese nation-state actor known as Mustang Panda has been linked to a new set of sophisticated and targeted attacks aimed at European foreign affairs entities since January 2023. An analysis of these intrusions, per Check Point researchers Itay Cohen and Radoslaw Madej, has revealed a custom firmware implant designed explicitly for TP-Link routers. “The […]
Ransomware affiliates associated with the Qilin ransomware-as-a-service (RaaS) scheme earn anywhere between 80% to 85% of each ransom payment, according to new findings from Group-IB. The cybersecurity firm said it was able to infiltrate the group in March 2023, uncovering details about the affiliates’ payment structure and the inner workings of the RaaS program following […]
The threat actors behind the CopperStealer malware resurfaced with two new campaigns in March and April 2023 that are designed to deliver two novel payloads dubbed CopperStealth and CopperPhish. Trend Micro is tracking the financially motivated group under the name Water Orthrus. The adversary is also assessed to be behind another campaign known as Scranos, […]
A new ransomware group known as RA Group has become the latest threat actor to leverage the leaked Babuk ransomware source code to spawn its own locker variant. The cybercriminal gang, which is said to have been operating since at least April 22, 2023, is rapidly expanding its operations, according to cybersecurity firm Cisco Talos. […]
Government, aviation, education, and telecom sectors located in South and Southeast Asia have come under the radar of a new hacking group as part of a highly-targeted campaign that commenced in mid-2022 and continued into the first quarter of 2023. Symantec, by Broadcom Software, is tracking the activity under its insect-themed moniker Lancefly, with the […]