A Brazilian threat actor known as Prilex has resurfaced after a year-long operational hiatus with an advanced and complex malware to steal money by means of fraudulent transactions. "The Prilex group has shown a high level of knowledge about credit and debit card transactions, and how software used for payment processing works," Kaspersky researchers said. "This enables the … [Read more...] about Brazilian Prilex Hackers Resurfaced With Sophisticated Point-of-Sale Malware
Malware
Researchers Warn of New Go-based Malware Targeting Windows and Linux Systems
A new, multi-functional Go-based malware dubbed Chaos has been rapidly growing in volume in recent months to ensnare a wide range of Windows, Linux, small office/home office (SOHO) routers, and enterprise servers into its botnet. "Chaos functionality includes the ability to enumerate the host environment, run remote shell commands, load additional modules, automatically … [Read more...] about Researchers Warn of New Go-based Malware Targeting Windows and Linux Systems
Russian Sandworm Hackers Impersonate Ukrainian Telecoms to Distribute Malware
A threat cluster linked to the Russian nation-state actor tracked as Sandworm has continued its targeting of Ukraine with commodity malware by masquerading as telecom providers, new findings show. Recorded Future said it discovered new infrastructure belonging to UAC-0113 that mimics operators like Datagroup and EuroTransTelecom to deliver payloads such as Colibri loader and … [Read more...] about Russian Sandworm Hackers Impersonate Ukrainian Telecoms to Distribute Malware
Researchers Warn of Self-Spreading Malware Targeting Gamers via YouTube
Gamers looking for cheats on YouTube are being targeted with links to malicious password-protected archive files designed to install the RedLine Stealer malware and crypto miners on compromised machines. "The videos advertise cheats and cracks and provide instructions on hacking popular games and software," Kaspersky security researcher Oleg Kupreev said in a new report … [Read more...] about Researchers Warn of Self-Spreading Malware Targeting Gamers via YouTube
The Anatomy of Wiper Malware, Part 1: Common Techniques
This blog post is the first in a four-part series in which CrowdStrike’s Endpoint Protection Content Research Team will dive into various wipers discovered by the security community over the past 10 years. Our goal is to review in depth the various techniques employed by wipers that target the Windows operating system. Background A wiper is a type of malware with a single … [Read more...] about The Anatomy of Wiper Malware, Part 1: Common Techniques
The Anatomy of Wiper Malware, Part 2: Third-Party Drivers
In Part 1 of this four-part blog series examining wiper malware, we introduced the topic of wipers, reviewed their recent history and presented common adversary techniques that leverage wipers to destroy system data. In Part 2, CrowdStrike’s Endpoint Protection Content Research Team discusses how threat actors have used legitimate third-party drivers to bypass the visibility … [Read more...] about The Anatomy of Wiper Malware, Part 2: Third-Party Drivers
Announcing SOC 2 Compliance for Cisco Secure Endpoint, Cisco Secure Malware Analytics, and Cisco SecureX
With a rising number of cyberattacks targeting organizations, protecting sensitive customer information has never been more critical. The stakes are high due to the financial losses, reputational damage, legal & compliance fines, and more that often stem from mishandled data. At Cisco Secure, we recognize this and are continuously looking for ways to improve our information … [Read more...] about Announcing SOC 2 Compliance for Cisco Secure Endpoint, Cisco Secure Malware Analytics, and Cisco SecureX
New Grandoreiro Banking Malware Campaign Targeting Spanish Manufacturers
Organizations in the Spanish-speaking nations of Mexico and Spain are in the crosshairs of a new campaign designed to deliver the Grandoreiro banking trojan. "In this campaign, the threat actors impersonate government officials from the Attorney General's Office of Mexico City and from the Public Ministry in the form of spear-phishing emails in order to lure victims to … [Read more...] about New Grandoreiro Banking Malware Campaign Targeting Spanish Manufacturers
DoNot Team Hackers Updated its Malware Toolkit with Improved Capabilities
The Donot Team threat actor has updated its Jaca Windows malware toolkit with improved capabilities, including a revamped stealer module designed to plunder information from Google Chrome and Mozilla Firefox browsers. The improvements also include a new infection chain that incorporates previously undocumented components to the modular framework, Morphisec researchers Hido … [Read more...] about DoNot Team Hackers Updated its Malware Toolkit with Improved Capabilities
Researchers Detail Evasive DarkTortilla Crypter Used to Deliver Malware
A .NET-based evasive crypter named DarkTortilla has been used by threat actors to distribute a broad array of commodity malware as well as targeted payloads like Cobalt Strike and Metasploit, likely since 2015. "It can also deliver 'add-on packages' such as additional malicious payloads, benign decoy documents, and executables," cybersecurity firm Secureworks said in a … [Read more...] about Researchers Detail Evasive DarkTortilla Crypter Used to Deliver Malware