A North Korea-linked threat actor known as KONNI has been observed conducting a phishing campaign targeting software developers and engineering teams, particularly those with blockchain expertise. The campaign uses AI-generated PowerShell backdoors and targets a broader range of countries in the APAC region. The infection chain begins with a Discord-hosted link downloading a ZIP archive containing a PDF lure and a malicious LNK file. The LNK file deploys additional components, including the AI-generated PowerShell backdoor. The backdoor employs various anti-analysis techniques and establishes persistence through scheduled tasks. This campaign demonstrates KONNI's evolution in tactics and tooling, including the adoption of AI-assisted malware development.
This analysis examines a multi-stage Windows malware campaign called SHADOW#REACTOR. The infection chain uses obfuscated VBS, PowerShell downloaders, and text-based payloads to deliver a Remcos RAT backdoor. Key features include fragmented text staging, .NET Reactor protection, reflective loading, and MSBuild abuse as a living-off-the-land binary. The campaign leverages complex obfuscation and in-memory execution to evade detection while establishing persistent remote access. Defensive recommendations focus on script execution monitoring, LOLBin abuse detection, and enhanced PowerShell logging to counter the sophisticated evasion techniques employed.
The ForumTroll APT group has launched a new targeted phishing campaign against Russian political scientists, exploiting plagiarism reports as bait. The attackers used sophisticated techniques, including a well-prepared domain and personalized emails, to deliver the Tuoni framework malware. This campaign follows their spring attacks, which targeted organizations using zero-day vulnerabilities. The fall campaign relied on social engineering, using emails posing as a scientific library to trick victims into downloading malicious archives. The final payload was delivered through a PowerShell script and established persistence using COM Hijacking. Despite being less technically sophisticated than the spring campaign, this operation demonstrates the group's continued focus on Russian and Belarusian targets.
A spear phishing campaign targeting a Colombian government agency under the Ministry of Commerce, Industry and Tourism was discovered in September 2025. The attack, attributed to BlindEagle, utilized a compromised email account within the organization to bypass security controls. The campaign employed a sophisticated multi-layer attack chain, including a fake web portal, nested JavaScript and PowerShell scripts, steganography, and the deployment of Caminho as a downloader for DCRAT. The attack leveraged legal-themed lures, in-memory execution, and abuse of legitimate services like Discord. BlindEagle's evolution in tactics and use of new tools like Caminho demonstrates their ongoing threat to Colombian institutions.
The Water Saci campaign is a sophisticated malware operation primarily targeting Brazilian banking and cryptocurrency platforms via WhatsApp. It employs multi-format malware delivery using various scripting languages, including a shift from PowerShell to Python, likely enhanced by AI tools to evade detection and complicate analysis. The malware features aggressive anti-sandbox techniques, extensive backdoor capabilities, and persistence mechanisms. Although currently focused on Brazil, the use of WhatsApp as a propagation vector and targeting financial applications poses a potential risk to European organizations with ties to Brazilian markets or users. The campaign’s complexity and AI-enhanced development pipeline indicate a medium severity threat with significant evasion and persistence capabilities. Defenders should prioritize monitoring WhatsApp-based phishing attempts, scrutinize multi-format file attachments, and implement advanced behavioral detection to mitigate risks. Countries with strong economic or diaspora links to Brazil and high WhatsApp usage are more likely to be affected.
A hacking group named NetMedved has been conducting phishing attacks against Russian organizations since October 2025. The campaign uses malicious LNK files disguised as business documents to deliver NetSupport RAT malware. The attackers employ various techniques including PowerShell scripts, finger protocol, and anti-analysis checks. They utilize multiple domains for payload delivery and command and control. The group's infrastructure overlaps with previous campaigns from 2024, suggesting an evolution of tactics rather than a new actor. NetMedved's operations involve social engineering, custom obfuscation, and abuse of legitimate tools to evade detection and maintain persistence on compromised systems.
A sophisticated attack chain was uncovered involving a malicious disk-cleaning utility that installed proxyware on a compromised system. The infection used PowerShell scripts, download cradles, and in-memory execution to evade detection and establish a connection to a command-and-control (C2) server. The attack was intercepted before the proxyware installation completed. This incident underscores the dangers of unauthorized software installations and the critical need to restrict PowerShell usage in corporate environments. The threat leverages multiple advanced techniques including obfuscation, living-off-the-land binaries, and scheduled task abuse. Although no known exploits are currently in the wild, the attack demonstrates a medium severity risk due to its potential for stealthy persistence and resource abuse. European organizations should be vigilant, especially those with lax software installation policies and insufficient PowerShell controls.
This analysis examines the latest attack flow of the KimJongRAT variant, attributed to the North Korean threat actor Kimsuky. The malware has evolved to include both PE-based and PowerShell-based attack chains, which have been merged into a single workflow. The attackers use phishing emails for initial access, leveraging GitHub and Google Drive for malware distribution. The malware exfiltrates sensitive data including browser credentials, system information, and keystrokes. Additional activities by the same actor include credential theft through phishing sites and spear-phishing campaigns targeting South Korean users. The analysis provides evidence supporting the attribution to Kimsuky and highlights the ongoing development of variants and infrastructure, indicating successful attacks.
The ToddyCat APT group has developed advanced tools and techniques to covertly access corporate email data by targeting both on-premises Outlook OST files and Microsoft 365 cloud environments. Their toolkit includes PowerShell-based TomBerBil for extracting browser data, TCSectorCopy for copying Outlook OST files, and methods to steal OAuth tokens from Microsoft 365 processes. They leverage SMB for remote file access, dump process memory, and search for access tokens to bypass security monitoring. These tactics enable stealthy data theft of sensitive email content and credentials. Detection guidance is available for each technique to help defenders identify and mitigate these intrusions. The threat is assessed as medium severity due to the complexity and targeted nature of the attacks, with no known exploits in the wild yet. European organizations using Microsoft 365 and Outlook are at risk, especially those with valuable email communications and cloud integrations.
The Tsundere botnet, discovered in mid-2025, is an active threat targeting Windows users. It utilizes the Ethereum blockchain to retrieve C2 addresses and employs Node.js for its operations. The botnet spreads through MSI installers and PowerShell scripts, often disguised as popular games. It uses AES-256 CBC encryption for communication and can execute dynamic JavaScript code received from the C2 server. The botnet features a marketplace and control panel, allowing users to create and sell customized bots. Attributed to a Russian-speaking actor known as 'koneko', Tsundere is linked to the 123 Stealer and represents an evolution of previous attacks. Its use of smart contracts for C2 infrastructure enhances its resilience, making it a significant emerging threat.
The NKNShell malware campaign involves a compromised South Korean VPN provider website used to distribute a multi-stage malware payload. The threat actor Larva-24010 deploys several backdoors including MeshAgent, gs-netcat, and a novel Go-based backdoor called NKNShell, which leverages NKN and MQTT protocols for command and control. The infection chain uses trojanized installers and PowerShell scripts, employing advanced evasion techniques such as AMSI and UAC bypasses. Additional tools like SQLMap are deployed to facilitate further exploitation. While primarily targeting Korean VPN users, the sophisticated use of blockchain-based networking protocols and multiple backdoors poses risks to any users of the compromised VPN service. The campaign's medium severity reflects its complexity and targeted nature, but it has not yet been observed exploiting widespread vulnerabilities or causing large-scale impact beyond South Korea.
In October 2025, a major U. S.real estate firm was targeted by a sophisticated cyberattack leveraging the emerging Tuoni command-and-control (C2) framework. The attack chain began with social engineering via Microsoft Teams impersonation, delivering a malicious PowerShell script that used steganography to hide payloads within images and employed in-memory execution to evade detection. The Tuoni C2 framework served as the core implant, enabling stealthy remote control. The attack showed signs of AI-assisted code generation, indicating advanced threat actor capabilities. Morphisec's Automated Moving Target Defense (AMTD) technology successfully prevented the attack before execution, demonstrating effectiveness against unknown threats without relying on signatures or heuristics. Although the attack was neutralized, the techniques used highlight evolving adversary tactics that could threaten organizations globally. No known exploits are currently in the wild, and no CVE or specific threat actor attribution is available. The medium severity rating reflects the attack's complexity and potential impact if successful.
NotDoor is a backdoor malware leveraging Outlook macros for persistence and lateral movement within compromised environments. It stages files in C:\ProgramData and abuses DLL sideloading via OneDrive.exe to evade detection. The malware executes encoded PowerShell commands, modifies registry keys to enable macros and disable security dialogs, and uses Outlook functions for command-and-control (C2) communication and email monitoring. Detection strategies include monitoring suspicious PowerShell activity, registry changes, and the creation of VbaProject. OTM files by non-Outlook processes. The threat is linked to the APT28 (Fancy Bear) actor and represents a medium-severity risk. European organizations using Microsoft Outlook and OneDrive are potential targets, especially those in critical infrastructure and government sectors. Mitigation requires focused monitoring, macro policy enforcement, and DLL sideloading prevention measures.
This intelligence report examines the connection between two Brazilian banking trojans, Maverick and Coyote. The malware spreads through WhatsApp, using a multi-stage attack that begins with a malicious LNK file. Both trojans share similarities in their infection methods, targeting Brazilian users and banks. The attack chain involves obfuscated PowerShell commands, downloading additional payloads from command and control servers. The malware employs anti-analysis techniques and targets specific browsers. Persistence is achieved through a batch file in the startup folder. The report provides technical details, including code samples and infection chain analysis, as well as indicators of compromise for the identified malware campaign.
The Silent Lynx APT group has been conducting espionage campaigns targeting Central Asian nations, Russia, China, and Azerbaijan. Two main campaigns were identified: one focusing on Russia-Azerbaijan relations and another on China-Central Asia relations. The group uses various malware including PowerShell scripts, .NET implants, and C++ reverse shells. They leverage spear-phishing with malicious attachments, GitHub-hosted payloads, and scheduled tasks for persistence. The campaigns aim to gather intelligence on diplomatic communications, transportation projects, and other strategic initiatives. Silent Lynx shows a pattern of targeting summit meetings and infrastructure deals in the region, with a particular focus on events in Dushanbe, Tajikistan.
This investigation uncovered new tools and techniques used by the Curly COMrades threat actor to establish covert, long-term access to victim networks. The attackers exploited Hyper-V virtualization on compromised Windows 10 machines to create hidden remote operating environments. They deployed a minimalistic Alpine Linux-based virtual machine hosting custom malware for reverse shell and proxy operations. This approach effectively bypassed traditional host-based EDR detections. The threat actor also demonstrated persistence through PowerShell scripts, Kerberos ticket manipulation, and local account creation. International collaboration with the Georgian CERT aided in analyzing the command and control infrastructure.
The Silent Lynx APT group has been conducting espionage campaigns targeting diplomatic entities and critical infrastructure in Central Asia, Russia, and China. Two major campaigns were identified: one focused on Russia-Azerbaijan relations and another on China-Central Asia relations. The group used various malware tools including PowerShell scripts, .NET implants, and C++ reverse shells. They leveraged spear-phishing emails with malicious attachments and GitHub-hosted payloads. Key targets included government think-tanks, diplomats, and entities in mining, transport and communication industries. The campaigns coincided with important summits and meetings between the targeted countries. Attribution was based on similarities in tactics, tools, and victimology to previous Silent Lynx operations.
A sophisticated campaign targeting Russian and Belarusian military personnel has been identified, using multi-stage infection chains and decoy documents. The attackers deploy OpenSSH and Tor bridges to establish covert remote access and lateral movement capabilities. The infection process involves PowerShell scripts, scheduled tasks for persistence, and the use of Tor hidden services to expose multiple local services. The campaign employs anti-analysis techniques and leverages obfuscated configurations for SSH and Tor. While attribution remains uncertain, the targeting and tactics are consistent with Eastern European-linked espionage activities focusing on defense and government sectors.
A coordinated spearphishing campaign targeted NGOs and Ukrainian government administrations involved in war relief efforts. The attack used emails impersonating the Ukrainian President's Office with weaponized PDFs, employing a fake Cloudflare captcha page to execute malware. The final payload was a WebSocket RAT enabling remote command execution and data exfiltration. Despite six months of preparation, the attackers' infrastructure was only active for one day, indicating sophisticated planning and operational security. An additional mobile attack vector was discovered, using fake applications to collect data from Android devices. The campaign demonstrated extensive operational planning, compartmentalized infrastructure, and deliberate exposure control.
Attackers are leveraging TikTok videos to distribute malware by masquerading as free software activations. The campaign uses social engineering to convince users to run malicious PowerShell scripts that download additional payloads, including the AuroStealer information stealer. Persistence is established via scheduled tasks, and one payload uses a self-compiling technique to inject shellcode directly into memory, evading detection. Multiple TikTok videos target various software products, employing the ClickFix technique to increase user trust. This threat exploits user interaction and social engineering on a popular platform, posing a medium risk due to its potential to compromise confidentiality and integrity. European organizations with users active on TikTok and those using targeted software products are at risk. Mitigations include user education, PowerShell execution restrictions, monitoring scheduled tasks, and blocking malicious domains. Countries with high TikTok usage and significant software user bases, such as Germany, France, and the UK, are more likely to be affected.
