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A previously unknown threat actor has been targeting companies in the U.S. and Germany with bespoke malware designed to steal confidential information. Enterprise security company Proofpoint, which is tracking the activity cluster under the name Screentime, said the group, dubbed TA866, is likely financially motivated. “TA866 is an organized actor able to perform well thought-out […]
After the U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a decryptor for affected victims to recover from ESXiArgs ransomware attacks, the threat actors have bounced back with an updated version that encrypts more data. The emergence of the new variant was reported by a system administrator on an online forum, where another participant stated […]
A Sydney man has been sentenced to an 18-month Community Correction Order (CCO) and 100 hours of community service for attempting to take advantage of the Optus data breach last year to blackmail its customers. The unnamed individual, 19 when arrested in October 2022 and now 20, used the leaked records stolen from the security […]
A Russian national on February 7, 2023, pleaded guilty in the U.S. to money laundering charges and for attempting to conceal the source of funds obtained in connection with Ryuk ransomware attacks. Denis Mihaqlovic Dubnikov, 30, was arrested in Amsterdam in November 2021 before he was extradited from the Netherlands in August 2022. He is […]
VMware on Monday said it found no evidence that threat actors are leveraging an unknown security flaw, i.e., a zero-day, in its software as part of an ongoing ransomware attack spree worldwide. “Most reports state that End of General Support (EoGS) and/or significantly out-of-date products are being targeted with known vulnerabilities which were previously addressed […]
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 […]
The Iranian nation-state hacking group known as OilRig has continued to target government organizations in the Middle East as part of a cyber espionage campaign that leverages a new backdoor to exfiltrate data. “The campaign abuses legitimate but compromised email accounts to send stolen data to external mail accounts controlled by the attackers,” Trend Micro […]
F5 has warned of a high-severity flaw impacting BIG-IP appliances that could lead to denial-of-service (DoS) or arbitrary code execution. The issue is rooted in the iControl Simple Object Access Protocol (SOAP) interface and affects the following versions of BIG-IP – 13.1.5 14.1.4.6 – 14.1.5 15.1.5.1 – 15.1.8 16.1.2.2 – 16.1.3, and 17.0.0 “A format […]
The State Cyber Protection Centre (SCPC) of Ukraine has called out the Russian state-sponsored threat actor known as Gamaredon for its targeted cyber attacks on public authorities and critical information infrastructure in the country. The advanced persistent threat, also known as Actinium, Armageddon, Iron Tilden, Primitive Bear, Shuckworm, Trident Ursa, and UAC-0010, has a track […]
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 […]
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 […]
The U.K. National Cyber Security Centre (NCSC) on Thursday warned of spear-phishing attacks mounted by Russian and Iranian state-sponsored actors for information-gathering operations. “The attacks are not aimed at the general public but targets in specified sectors, including academia, defense, government organizations, NGOs, think tanks, as well as politicians, journalists, and activists,” the NCSC said. […]
New research has linked the operations of a politically motivated hacktivist group known as Moses Staff to another nascent threat actor named Abraham’s Ax that emerged in November 2022. This is based on “several commonalities across the iconography, videography, and leak sites used by the groups, suggesting they are likely operated by the same entity,” […]
A North Korean nation-state group notorious for crypto heists has been attributed to a new wave of malicious email attacks as part of a “sprawling” credential harvesting activity targeting a number of industry verticals, marking a significant shift in its strategy. The state-aligned threat actor is being tracked by Proofpoint under the name TA444, and […]
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 […]
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 […]
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 […]
Cybercriminals are increasingly leveraging malicious LNK files as an initial access method to download and execute payloads such as Bumblebee, IcedID, and Qakbot. A recent study by cybersecurity experts has shown that it is possible to identify relationships between different threat actors by analyzing the metadata of malicious LNK files, uncovering information such as the […]
The U.S. Department of Justice (DoJ) on Wednesday announced the arrest of Anatoly Legkodymov (aka Gandalf and Tolik), the cofounder of Hong Kong-registered cryptocurrency exchange Bitzlato, for allegedly processing $700 million in illicit funds. The 40-year-old Russian national, who was arrested in Miami, was charged in a U.S. federal court with “conducting a money transmitting […]
An ongoing campaign dubbed Earth Bogle is leveraging geopolitical-themed lures to deliver the NjRAT remote access trojan to victims across the Middle East and North Africa. “The threat actor uses public cloud storage services such as files[.]fm and failiem[.]lv to host malware, while compromised web servers distribute NjRAT,” Trend Micro said in a report published […]
A “large and resilient infrastructure” comprising over 250 domains is being used to distribute information-stealing malware such as Raccoon and Vidar since early 2020. The infection chain “uses about a hundred of fake cracked software catalogue websites that redirect to several links before downloading the payload hosted on file share platforms, such as GitHub,” cybersecurity […]