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A now-patched vulnerability in VMware Workspace ONE Access has been observed being exploited to deliver both cryptocurrency miners and ransomware on affected machines. “The attacker intends to utilize a victim’s resources as much as possible, not only to install RAR1Ransom for extortion, but also to spread GuardMiner to collect cryptocurrency,” Fortinet FortiGuard Labs researcher Cara […]
A Russian-speaking ransomware group dubbed OldGremlin has been attributed to 16 malicious campaigns aimed at entities operating in the transcontinental Eurasian nation over the course of two and a half years. “The group’s victims include companies in sectors such as logistics, industry, insurance, retail, real estate, software development, and banking,” Group-IB said in an exhaustive […]
As many as 16 malicious apps with over 20 million cumulative downloads have been taken down from the Google Play Store after they were caught committing mobile ad fraud. The Clicker malware masqueraded as seemingly harmless utilities like cameras, currency/unit converters, QR code readers, note-taking apps, and dictionaries, among others, in a bid to trick […]
The Ursnif malware has become the latest malware to shed its roots as a banking trojan to revamp itself into a generic backdoor capable of delivering next-stage payloads, joining the likes of Emotet, Qakbot, and TrickBot. “This is a significant shift from the malware’s original purpose to enable banking fraud, but is consistent with the […]
The threat actors behind the Black Basta ransomware family have been observed using the Qakbot trojan to deploy the Brute Ratel C4 framework as a second-stage payload in recent attacks. The development marks the first time the nascent adversary simulation software is being delivered via a Qakbot infection, cybersecurity firm Trend Micro said in a […]
New research has disclosed what’s being called a security vulnerability in Microsoft 365 that could be exploited to infer message contents due to the use of a broken cryptographic algorithm. “The [Office 365 Message Encryption] messages are encrypted in insecure Electronic Codebook (ECB) mode of operation,” Finnish cybersecurity company WithSecure said in a report published […]
A new ransomware campaign targeted the transportation and logistics sectors in Ukraine and Poland on October 11 with a previously unknown payload dubbed Prestige. “The activity shares victimology with recent Russian state-aligned activity, specifically on affected geographies and countries, and overlaps with previous victims of the FoxBlade malware (also known as HermeticWiper),” the Microsoft Threat […]
Tata Power Company Limited, India’s largest integrated power company, on Friday confirmed it was targeted by a cyber attack. The intrusion on IT infrastructure impacted “some of its IT systems,” the company said in a filing with the National Stock Exchange (NSE) of India. It further said it has taken steps to retrieve and restore […]
Web infrastructure and security company Cloudflare disclosed this week that it halted a 2.5 Tbps distributed denial-of-service (DDoS) attack launched by a Mirai botnet. Characterizing it as a “multi-vector attack consisting of UDP and TCP floods,” researcher Omer Yoachimik said the DDoS attack targeted the Minecraft server Wynncraft in Q3 2022. “The entire 2.5 Tbps […]
An unofficial version of the popular WhatsApp messaging app called YoWhatsApp has been observed deploying an Android trojan known as Triada. The goal of the malware is to steal the keys that “allow the use of a WhatsApp account without the app,” Kaspersky said in a new report. “If the keys are stolen, a user […]
Malicious actors are resorting to voice phishing (vishing) tactics to dupe victims into installing Android malware on their devices, new research from ThreatFabric reveals. The Dutch mobile security company said it identified a network of phishing websites targeting Italian online-banking users that are designed to get hold of their contact details. Telephone-oriented attack delivery (TOAD), […]
A new piece of research has detailed the increasingly sophisticated nature of the malware toolset employed by an advanced persistent threat (APT) group named Earth Aughisky. “Over the last decade, the group has continued to make adjustments in the tools and malware deployments on specific targets located in Taiwan and, more recently, Japan,” Trend Micro […]
In yet another case of bring your own vulnerable driver (BYOVD) attack, the operators of the BlackByte ransomware are leveraging a flaw in a legitimate Windows driver to bypass security solutions. “The evasion technique supports disabling a whopping list of over 1,000 drivers on which security products rely to provide protection,” Sophos threat researcher Andreas […]
The Australian Federal Police (AFP) has arrested a 19-year-old teen from Sydney for allegedly attempting to leverage the data leaked following the Optus data breach late last month to extort victims. The suspect is said to have carried out a text message blackmail scam, demanding that the recipients transfer $2,000 to a bank account or […]
A U.S. federal court jury has found former Uber Chief Security Officer Joseph Sullivan guilty of not disclosing a 2016 breach of customer and driver records to regulators and attempting to cover up the incident. Sullivan has been convicted on two counts: One for obstructing justice by not reporting the incident and another for misprision. […]
Australia’s largest telecommunications company Telstra disclosed that it was the victim of a data breach through a third-party, nearly two weeks after Optus reported a breach of its own. “There has been no breach of Telstra’s systems,” Narelle Devine, the company’s chief information security officer for the Asia Pacific region, said. “And no customer account […]
A recently discovered malware builder called Quantum Builder is being used to deliver the Agent Tesla remote access trojan (RAT). “This campaign features enhancements and a shift toward LNK (Windows shortcut) files when compared to similar attacks in the past,” Zscaler ThreatLabz researchers Niraj Shivtarkar and Avinash Kumar said in a Tuesday write-up. Sold on […]
The infamous Lazarus Group has continued its pattern of leveraging unsolicited job opportunities to deploy malware targeting Apple’s macOS operating system. In the latest variant of the campaign observed by cybersecurity company SentinelOne last week, decoy documents advertising positions for the Singapore-based cryptocurrency exchange firm Crypto[.]com have been used to mount the attacks. The latest […]
The Australian Federal Police (AFP) on Monday disclosed it’s working to gather “crucial evidence” and that it’s collaborating with overseas law enforcement authorities following the hack of telecom provider Optus. “Operation Hurricane has been launched to identify the criminals behind the alleged breach and to help shield Australians from identity fraud,” the AFP said in […]
At least three alleged hacktivist groups working in support of Russian interests are likely doing so in collaboration with state-sponsored cyber threat actors, according to Mandiant. The Google-owned threat intelligence and incident response firm said with moderate confidence that “moderators of the purported hacktivist Telegram channels ‘XakNet Team,’ ‘Infoccentr,’ and ‘CyberArmyofRussia_Reborn’ are coordinating their operations […]
The BlackCat ransomware crew has been spotted fine-tuning their malware arsenal to fly under the radar and expand their reach. “Among some of the more notable developments has been the use of a new version of the Exmatter data exfiltration tool, and the use of Eamfo, information-stealing malware that is designed to steal credentials stored […]