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Two new ransomware-as-service (RaaS) programs have appeared on the threat radar this month, with one group professing to be a successor to  DarkSide  and  REvil , the two infamous ransomware syndicates that went off the grid following major attacks on Colonial Pipeline and Kaseya over the past few months. "The project has incorporated in itself the best features of DarkSide, REvil, and LockBit," the operators behind the new BlackMatter group said in their darknet public blog, making promises to not strike organizations in several industries, including healthcare, critical infrastructure, oil and gas, defense, non-profit, and government sectors. According to Flashpoint, the BlackMatter threat actor registered an account on Russian-language forums XSS and Exploit on July 19, quickly following it up with a post stating they are looking to purchase access to infected corporate networks comprising anywhere between 500 and 15,000 hosts in the U.S., Canada, Australia, and the U.

Business email compromise (BEC) refers to all types of email attacks that do not have payloads. Although there are numerous types, there are essentially two main mechanisms through which attackers penetrate organizations utilizing BEC techniques, spoofing and account take-over attacks. In a recent  study , 71% of organizations acknowledged they had seen a business email compromise (BEC) attack during the past year. Forty-three percent of organizations experienced a security incident in the last 12 months, with 35% stating that BEC/phishing attacks account for more than 50% of the incidents. The  FBI's Internet Crime Complaint Center  (IC3) reports that BEC scams were the most expensive of cyberattacks in 2020, with 19,369 complaints and adjusted losses of approximately $1.8 billion. Recent BEC attacks include spoofing attacks on Shark Tank Host Barbara Corcoran, who lost  $380,000 ; the Puerto Rican government attacks that amounted to $4 million, and Japanese media giant, Nikkei

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A previously undocumented Android-based remote access trojan (RAT) has been found to use screen recording features to steal sensitive information on the device, including banking credentials, and open the door for on-device fraud. Dubbed "Vultur" due to its use of Virtual Network Computing (VNC)'s remote screen-sharing technology to gain full visibility on targeted users, the mobile malware was distributed via the official Google Play Store and masqueraded as an app named "Protection Guard," attracting over 5,000 installations. Banking and crypto-wallet apps from entities located in Italy, Australia, and Spain were the primary targets. "For the first time we are seeing an Android banking trojan that has screen recording and keylogging as the main strategy to harvest login credentials in an automated and scalable way," researchers from ThreatFabric  said  in a write-up shared with The Hacker News. "The actors chose to steer away from the commo

Intelligence agencies in Australia, the U.K., and the U.S. issued a joint advisory on Wednesday detailing the most exploited vulnerabilities in 2020 and 2021, once again demonstrating how threat actors are able to swiftly weaponize publicly disclosed flaws to their advantage. "Cyber actors continue to exploit publicly known—and often dated—software vulnerabilities against broad target sets, including public and private sector organizations worldwide," the U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Australian Cyber Security Centre (ACSC), the United Kingdom's National Cyber Security Centre (NCSC), and the U.S. Federal Bureau of Investigation (FBI)  noted . "However, entities worldwide can mitigate the vulnerabilities listed in this report by applying the available patches to their systems and implementing a centralized patch management system." The top 30 vulnerabilities span a wide range of software, including remote work, virtual pri

An Android malware that was observed abusing accessibility services in the device to hijack user credentials from European banking applications has morphed into an entirely new botnet as part of a renewed campaign that began in May 2021. Italy's CERT-AGID, in late January, disclosed details about  Oscorp , a mobile malware developed to attack multiple financial targets with the goal of stealing funds from unsuspecting victims. Its features include the ability to intercept SMS messages and make phone calls, and carry out overlay attacks for more than 150 mobile applications by making use of lookalike login screens to siphon valuable data. The malware was distributed through malicious SMS messages, with the attacks often conducted in real-time by posing as bank operators to dupe targets over the phone and surreptitiously gain access to the infected device via WebRTC protocol and ultimately conduct unauthorized bank transfers. While no new activities were reported since then, it a

A Chinese cyberespionage group known for targeting Southeast Asia leveraged flaws in the Microsoft Exchange Server that came to light earlier this March to deploy a previously undocumented variant of a remote access trojan (RAT) on compromised systems. Attributing the intrusions to a threat actor named  PKPLUG  (aka  Mustang Panda  and HoneyMyte), Palo Alto Networks' Unit 42 threat intelligence team said it identified a new version of the modular PlugX malware, called THOR, that was delivered as a post-exploitation tool to one of the breached servers. Dating back to as early as 2008,  PlugX  is a fully-featured second-stage implant with capabilities such as file upload, download, and modification, keystroke logging, webcam control, and access to a remote command shell. "The variant observed [...] is unique in that it contains a change to its core source code: the replacement of its trademark word 'PLUG' to 'THOR,'" Unit 42 researchers Mike Harbison an

An Iranian cyberespionage group masqueraded as an aerobics instructor on Facebook in an attempt to infect the machine of an employee of an aerospace defense contractor with malware as part of a years-long social engineering and targeted malware campaign. Enterprise security firm Proofpoint attributed the covert operation to a state-aligned threat actor it tracks as TA456, and by the wider cybersecurity community under the monikers Tortoiseshell and Imperial Kitten. "Using the social media persona 'Marcella Flores,' TA456 built a relationship across corporate and personal communication platforms with an employee of a small subsidiary of an aerospace defense contractor," Proofpoint  said  in a report shared with The Hacker News. "In early June 2021, the threat actor attempted to capitalize on this relationship by sending the target malware via an ongoing email communication chain." Earlier this month, Facebook  revealed  it took steps to dismantle a &quo