SteelFox Leverages Signed Windows Drivers to Attack Kernel


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


Sign up for our Newsletter


Related:

  • Unveiling the Fallout: Operation Cronos’ Impact on LockBit Following Landmark Disruption

    April 3, 2024

    The RaaS group LockBit that has been in operation since early 2020, grew to become one of the largest RaaS groups in the ransomware ecosphere and was responsible for 25% to 33% of all ransomware attacks in 2023. The group has claimed thousands of victims and was, by far, the biggest financial threat actor group in ...

  • CVE-2024-0394: Rapid7 Minerva Armor Privilege Escalation (FIXED)

    April 3, 2024

    Rapid7 is disclosing CVE-2024-0394, a privilege escalation vulnerability in Rapid7 Minerva’s Armor product family. Minerva uses the open-source OpenSSL library for cryptographic functions and to support secure communications. The root cause of this vulnerability is Minerva’s implementation of OpenSSL’s OPENSSLDIR parameter, which was set to a path accessible to low-privileged users (such as C:\git\vcpkg\packages\openssl_x86-windows-static-vs2019-static\openssl.cnf). Rapid7 has ...

  • OWASP Foundation reveals data breach following Wiki web server issue

    April 2, 2024

    The Open Worldwide Application Security Project (OWASP) suffered a data breach in late February 2024 resulting in the exposure of sensitive data belonging to some of its members. In an announcement published on the OWASP website, Executive Director Andrew van der Stock confirmed the breach and explained that it happened due to a misconfiguration of an ...

  • Cyberthreats in the transportation industry

    April 2, 2024

    Transportation is a key economic sector. It spans a multitude of diverse companies engaged in logistics, urban transit, land and air cargo and passenger conveyance, and other activities. The transportation system performs critical functions that support nationwide objectives by connecting different areas of a country and sectors of the economy. Carriers also do business with large ...

  • Prudential Financial February incident exposed data of nearly 37K customers

    April 2, 2024

    Prudential Financial disclosed that 36,545 individuals had personal information stolen in an early February breach that was claimed by ALPHV/BlackCat, the group also responsible for the Change Healthcare ransomware attack. In a letter to consumers March 29, the large insurance company said the stolen personal data includes names, addresses, driver’s license numbers, and non-driver identification card ...

  • Top yacht retailer MarineMax says cyberattack led to major online data breach

    April 2, 2024

    MarineMax has confirmed suffering a cyberattack, thought to be ransomware, in which threat actors stole sensitive customer information. In an 8-K form, filed with the Securities and Exchange Commission (SEC) on April 1, the company, one of the leading yacht sellers worldwide, said a third party “gained unauthorized access to portions of our information environment.” Read more… Source: ...