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A new phishing campaign is leveraging decoy Microsoft Word documents as bait to deliver a backdoor written in the  Nim programming language . "Malware written in uncommon programming languages puts the security community at a disadvantage as researchers and reverse engineers' unfamiliarity can hamper their investigation," Netskope researchers Ghanashyam Satpathy and Jan Michael Alcantara  said . Nim-based malware has been a rarity in the threat landscape, although that has been slowly changing in recent years as attackers continue to either develop custom tools from scratch using the language or port existing versions of their nefarious programs to it. This has been demonstrated in the case of loaders such as  NimzaLoader ,  Nimbda ,  IceXLoader , as well as ransomware families tracked under the names  Dark Power  and  Kanti . The attack chain documented by Netskope begins with a phishing email containing a Word document attachment that, when...

The threat actor known as  UAC-0099  has been linked to continued attacks aimed at Ukraine, some of which leverage a high-severity flaw in the WinRAR software to deliver a malware strain called LONEPAGE. "The threat actor targets Ukrainian employees working for companies outside of Ukraine," cybersecurity firm Deep Instinct  said  in a Thursday analysis. UAC-0099 was  first documented  by the Computer Emergency Response Team of Ukraine (CERT-UA) in June 2023, detailing its attacks against state organizations and media entities for espionage motives. The attack chains leveraged phishing messages containing HTA, RAR, and LNK file attachments that led to the deployment of  LONEPAGE , a Visual Basic Script (VBS) malware that's capable of contacting a command-and-control (C2) server to retrieve additional payloads such as keyloggers, stealers, and screenshot malware. "During 2022-2023, the mentioned group received unauthorized remote access to several...

Organizations in the Defense Industrial Base (DIB) sector are in the crosshairs of an Iranian threat actor as part of a campaign designed to deliver a never-before-seen backdoor called FalseFont. The findings come from Microsoft, which is tracking the activity under its weather-themed moniker  Peach Sandstorm  (formerly Holmium), which is also known as APT33, Elfin, and Refined Kitten. "FalseFont is a custom backdoor with a wide range of functionalities that allow operators to remotely access an infected system, launch additional files, and send information to its [command-and-control] servers," the Microsoft Threat Intelligence team  said  on X (previously Twitter). The first recorded use of the implant was in early November 2023. The tech giant further said that the latest development aligns with previous activity from Peach Sandstorm and demonstrates a continued evolution of the threat actor's tradecraft. In a report published in September 2023, Microsoft...

A new analysis of the sophisticated commercial spyware called Predator has revealed that its ability to persist between reboots is offered as an "add-on feature" and that it depends on the licensing options opted by a customer. "In 2021, Predator spyware couldn't survive a reboot on the infected Android system (it had it on iOS)," Cisco Talos researchers Mike Gentile, Asheer Malhotra, and Vitor Ventura  said  in a report shared with The Hacker News. "However, by April 2022, that capability was being offered to their customers." Predator is the product of a consortium called the Intellexa Alliance, which includes Cytrox (subsequently acquired by WiSpear), Nexa Technologies, and Senpai Technologies. Both Cytrox and Intellexa were  added  to the Entity List by the U.S. in July 2023 for "trafficking in cyber exploits used to gain access to information systems." The latest findings come more than six months after the cybersecurity vendor detai...

Cybersecurity researchers have discovered an updated version of an Android banking malware called Chameleon that has expanded its targeting to include users in the U.K. and Italy. "Representing a restructured and enhanced iteration of its predecessor, this evolved Chameleon variant excels in executing Device Takeover (DTO) using the accessibility service, all while expanding its targeted region," Dutch mobile security firm ThreatFabric  said  in a report shared with The Hacker News. Chameleon was  previously documented  by Cyble in April 2023, noting that it had been used to single out users in Australia and Poland since at least January. Like other banking malware, it's known to abuse its permissions to Android's accessibility service to harvest sensitive data and conduct overlay attacks. The rogue apps containing the earlier version were hosted on phishing pages and found to impersonate genuine institutions in the countries, such as the Australian Taxation Offi...

A new piece of JavaScript malware has been observed attempting to steal users' online banking account credentials as part of a campaign that has targeted more than 40 financial institutions across the world. The activity cluster, which employs JavaScript web injections, is estimated to have led to at least 50,000 infected user sessions spanning North America, South America, Europe, and Japan. IBM Security Trusteer said it detected the campaign in March 2023. "Threat actors' intention with the web injection module is likely to compromise popular banking applications and, once the malware is installed, intercept the users' credentials in order to then access and likely monetize their banking information," security researcher Tal Langus  said . Attack chains are characterized by the use of scripts loaded from the threat actor-controlled server ("jscdnpack[.]com"), specifically targeting a page structure that's common to several banks. It's susp...