The past few years have seen a significant increase in the number of Rust developers. Rust is a programming language focused on performance and reliability.
However, for an attacker, its complicated assembly code is a significant merit. In May 2024, FortiGuard Labs observed a Rust-based stealer. In addition to its intricate code, the stealer is distributed using a variety of strategies and has a flexible way of choosing its target. Because of this ambiguity, we decided to call it Fickle Stealer. This article summarizes the details of this campaign, roughly dividing the attack chain into three stages: Delivery, Preparatory Work, and Packer and Stealer Payload.
Read more…
Source: Fortinet
Related:
- TaxOff: um, you’ve got a backdoor…
November 27, 2024
In Q3 2024, the Positive Technologies Expert Security Center (PT ESC) TI Department discovered a series of attacks on Russian government agencies. PT ESC researchers were unable to establish any connection with known groups using the same techniques. The main goal was espionage and gaining a foothold to follow through on further attacks. They dubbed the group ...
- SteelFox Leverages Signed Windows Drivers to Attack Kernel
November 26, 2024
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 ...
- Analysis of Elpaco: a Mimic variant
November 26, 2024
In a recent incident response case, Kaspersky dealt with a variant of the Mimic ransomware with some interesting customization features. The attackers were able to connect via RDP to the victim’s server after a successful brute force attack and then launch the ransomware. After that, the adversary was able to elevate their privileges by exploiting the ...
- Spot the Difference: Earth Kasha’s New LODEINFO Campaign And The Correlation Analysis With The APT10 Umbrella
November 19, 2024
LODEINFO is a malware used in attacks targeting mainly Japan since 2019. Trend Micro has been tracking the group as Earth Kasha. While some vendors suspect that the actor using LODEINFO might be APT10, we don’t have enough evidence to fully support this speculation. Currently, we view APT10 and Earth Kasha as different entities, although they ...
- FrostyGoop’s Zoom-In: A Closer Look into the Malware Artifacts, Behaviors and Network Communications
November 19, 2024
In July 2024, the operational technology (OT)-centric malware FrostyGoop/BUSTLEBERM became publicly known, after attackers used it to disrupt critical infrastructure. The outage occurred after the Cyber Security Situation Center (CSSC), affiliated with the Security Service of Ukraine, disclosed details of an attack on a municipal energy company in Ukraine in early 2024. FrostyGoop is the ninth ...
- Hello again, FakeBat: popular loader returns after months-long hiatus
November 8, 2024
The web browser, and search engines in particular, continue to be a popular entry point to deliver malware to users. While Malwarebytes Labs noted a decrease in loaders distributed via malvertising for the past 3 months, today’s example is a reminder that threat actors can quickly switch back to tried and tested methods. After months of ...