All attack reports

A global malware campaign targeting mainly Russian-speaking users has been distributing cryptocurrency mining malware through fake software download sites, Telegram channels, and YouTube videos. The multi-stage infection chain uses unusual techniques for persistence and evasion, including hiding ma…

A new malware called Vilsa Stealer has emerged on GitHub, notable for its speed and efficiency in extracting sensitive data. This sophisticated tool targets browser credentials, tokens, and various application data. It supports major browsers and over 40 crypto wallets, using Python as its programm…

This article analyzes four previously undisclosed DNS tunneling campaigns identified through a new campaign monitoring system. The system detects tunneling domains based on common techniques and attributes used in malicious campaigns. Four new campaigns were uncovered: FinHealthXDS (targeting finan…

A large-scale fraud campaign involving fake trading apps targeting Apple iOS and Android users across multiple regions has been uncovered. The apps, developed using the UniApp framework, were distributed through official app stores and phishing sites. Unlike conventional mobile trojans, these apps …

A new AsyncRAT malware campaign utilizes TryCloudflare quick tunnels and Python packages to deliver malicious payloads. The attack chain involves HTML attachments with 'search-ms' URI protocol handlers, leading to LNK files that download BAT files. These BAT files then retrieve and execute Python s…

Since June 2024, the Iran-nexus actor CHARMING KITTEN has been creating new network infrastructure for credential phishing, targeting individuals perceived as threats to the Iranian regime. The actor's infrastructure, known as Cluster B, uses domains with specific characteristics like similar TLDs,…

This report examines an infrastructure used to control compromised edge devices transformed into Operational Relay Boxes for launching cyber attacks. The infrastructure, consisting of 63 identified servers, uses GobRAT and Bulbature malware to compromise devices and create a botnet. Features includ…

A sophisticated Linux malware named 'perfctl' has been actively targeting millions of servers worldwide for the past 3-4 years. It exploits over 20,000 types of misconfigurations to compromise Linux systems. The malware employs advanced evasion techniques, including rootkits, process masquerading, …

A financially motivated threat actor has been active since 2022, delivering a MedusaLocker ransomware variant called 'BabyLockerKZ'. The group targets organizations worldwide, with a focus shift from EU countries to South American countries in mid-2023. The actor uses a combination of publicly know…

Akira is a prolific ransomware operating since March 2023, targeting multiple industries in North America, the UK, and Australia. It functions as Ransomware as a Service (RaaS) and employs double extortion tactics. Akira has connections to the disbanded Conti group, sharing code similarities and op…

In several of the attacks, Stonefly’s custom malware Backdoor.Preft (aka Dtrack, Valefor) was deployed. This tool is exclusively associated with the group. In addition to this, several Stonefly indicators of compromise recently documented by Microsoft were found on the compromised networks. The att…

XWorm, a versatile tool discovered in 2022, enables attackers to access sensitive information, gain remote access, and deploy additional malware. The latest version's infection chain begins with a Windows Script File downloading a PowerShell script from paste.ee. This script creates multiple files,…