This week, the SonicWall Capture Labs threat research team investigated a sample of SteelFox malware.
This is bundled with “software activators” for JetBrains and Foxit PDF readers. During installation, they run as a service and use vulnerable signed Windows drivers to exploit and attack the kernel. Secondarily, cryptominers such as XMRig are run in memory via AppInfo, as well as network communications. The sample is detected as an executable without a packer or protector; however, the file entropy shows that it is, in fact, packed.
Read more…
Source: SonicWall
Related:
- LockBit 2.0: How This RaaS Operates and How to Protect Against It
June 9, 2022
LockBit 2.0 is ransomware as a service (RaaS) that first emerged in June 2021 as an upgrade to its predecessor LockBit (aka ABCD Ransomware), which was first observed in September 2019. Since its inception, the LockBit 2.0 RaaS attracted affiliates via recruitment campaigns in underground forums, and thus became particularly prolific during the third quarter of ...
- CISA Adds Three Known Exploited Vulnerabilities to Catalog
June 9, 2022
CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog, click on the arrow in the ...
- New Linux malware is ‘almost impossible’ to detect
June 9, 2022
A joint research effort has led to the discovery of Symbiote, a new form of Linux malware that is “almost impossible” to detect. On Thursday, researchers from BlackBerry Threat Research & Intelligence team, together with Intezer security researcher Joakim Kennedy, published a blog post on the malware – dubbed Symbiote because of its “parasitic nature.” The team ...
- Facebook phishing campaign nets millions in IDs and cash
June 9, 2022
An ongoing phishing campaign targeting Facebook users may have already netted hundreds of millions of credentials and a claimed $59 million, and it’s only getting bigger. Identified by security researchers at phishing prevention company Pixm in late 2021, the campaign has only been running since the final quarter of last year, but has already proven incredibly ...
- CISA Adds 36 Known Exploited Vulnerabilities to Catalog
June 8, 2022
CISA has added 36 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog, click on the arrow in the ...
- People’s Republic of China State-Sponsored Cyber Actors Exploit Network Providers and Devices
June 8, 2022
This joint Cybersecurity Advisory describes the ways in which People’s Republic of China (PRC) state-sponsored cyber actors continue to exploit publicly known vulnerabilities in order to establish a broad network of compromised infrastructure. These actors use the network to exploit a wide variety of targets worldwide, including public and private sector organizations. The advisory details the ...