Threats Tagged 't1106'

Blackpoint's Adversary Pursuit Group identified ChainScript, a previously unnamed Node.js remote access trojan discovered during ClickFix investigation. The malware disguises itself as legitimate software including Spotify, Zoom Workplace, and Microsoft Teams through malicious Windows Installer packages. ChainScript employs an EtherHiding-style C2 discovery technique utilizing a Polygon smart contract to dynamically locate active WebSocket infrastructure, enabling operators to rotate backend services without rebuilding agents. The RAT provides comprehensive remote access capabilities including interactive shell sessions, file operations, screenshots, payload deployment, cryptocurrency wallet discovery, remote JavaScript execution, self-update mechanisms, and cleanup functions. Multiple builds appeared under different names (ComponentTask33, UpdateDigital, HostShared, OrchidViolet66) while maintaining consistent core agent architecture. Analysis revealed automated contract deployment integrated into the mal...

A previously unknown modular multi-stage framework named MovieReaper has been discovered targeting users through compromised torrent files. Attackers compromised the public torrent repository itorrents[.]org, enabling them to distribute malicious loaders disguised as popular movies, including "The Odyssey." The campaign began in mid-August 2026 and affected hundreds of victims across multiple countries. The malware employs a sophisticated infection chain with fileless execution, utilizing blockchain network Solana for C2 infrastructure resilience. The framework includes multiple stages: an initial loader with anti-sandbox checks, shellcode that retrieves C2 addresses from Solana blockchain, UAC bypass with persistence mechanisms, and a final file manager module providing comprehensive file system access. The campaign demonstrates advanced evasion techniques including manual API resolution, vectored exception handling, and in-memory execution.

MediumVulnerabilityBelgiumColombiaFinland+9#cve#cve-2026-3102#solana

ESET researchers have documented SparroWocky, a sophisticated C++ backdoor deployed by the FamousSparrow APT group since August 2025. This China-aligned threat actor has shifted focus to extensively targeting governmental organizations across Latin America, likely in response to increased US interest in the region. SparroWocky replaced the group's previous SparrowDoor backdoor and demonstrates advanced capabilities including reflective loading, anti-analysis techniques like SilentMoonwalk for call stack spoofing, and the ability to execute Beacon Object Files. The modular backdoor incorporates open-source projects directly into its codebase, uses TLS-encrypted communications with RC4 encryption for data exfiltration, and employs sophisticated evasion methods including MinHook API hooking and custom PE loading with host process camouflage. The targeting pattern reflects China's strategic interest in monitoring Latin American governmental responses to current US pressures regarding investments and infrastruc...

Settra is a ransomware variant first observed in June 2026 that targets organizations through VPNs or compromised credentials. Two incidents were investigated in July and September 2026, affecting the consumer services, retail, and manufacturing sectors. Attackers deployed MeshAgent RMM for persistence, naming ransomware executables after victim domain names. The malicious activity included file encryption with .locked or .locked_wip extensions, deployment of RESTORE_FILES.txt ransom notes, clearing Windows event logs, and disabling Windows recovery options using reagentc and diskpart utilities. One incident featured Bring Your Own Vulnerable Driver (BYOVD) tactics using gdrv.sys. A notable operational security failure occurred when attackers misspelled the Windows Defender Event Log path, preventing its deletion. Both attacks followed remarkably similar operational patterns, with MeshAgent installations pointing to different C2 IP addresses (45.13.122[.]7 and 193.5.65[.]114), and malicious workstation WIN...

VectraRAT is a previously undocumented Malware-as-a-Service platform combining a Go-based control server (VectraHub) with a native C++ Windows implant, renting from $250 monthly. The developer, operating under the handle 'Vectra' (formerly 'Nyxel'), has been active since August 2022 without prior public documentation. The platform offers hidden desktop control, keylogging, clipboard hijacking with cryptocurrency address replacement, browser credential theft, and a UAC bypass achieving elevation without user prompts. Delivered through Amadey loader and ClickFix campaigns targeting tax-themed lures, 48% of observed victims run corporate Windows editions including Windows Server 2025. Infrastructure analysis revealed exposed directories and operational panels across multiple hosting providers, with victims spanning the United States, Russia, Germany, and other nations.

MediumMalwareUnited StatesBritish Indian Ocean TerritoryCzechia+4#amadey#maas platform#vidar

Noodle RAT, also known as ANGRYREBEL or Nood RAT, is a modular remote access trojan with dual versions for Windows and Linux, actively used by Chinese-speaking threat actors since at least mid-2016. Previously misclassified as variants of Gh0st RAT or Rekoobe, it is now recognized as a distinct backdoor family. The malware has been deployed in espionage and cybercrime campaigns targeting entities across the Asia-Pacific region, including Thailand, India, Japan, Malaysia, and Taiwan. Multiple threat groups including Iron Tiger, Calypso APT, Rocke, and Cloud Snooper have utilized this tool. Both variants feature shared command-and-control architecture, similar configuration structures, and modular capabilities. The Windows version operates as an in-memory backdoor with file management and proxy capabilities, while the Linux variant provides reverse shell, SOCKS tunneling, and task scheduling functionalities. Evidence suggests an actively maintained, possibly commercial malware toolkit.

MediumMalwareBritish Indian Ocean TerritoryIndiaJapan+3#rekoobe#angryrebel#noodle rat

Brazilian banking malware operation REF9334 has been deploying KREMLIN toolkit since May 2025, targeting Brazilian financial institutions through malicious browser extensions. The operation uses multi-stage JavaScript loaders, custom C++ installers, and exploits Chromium integrity mechanisms by manipulating Secure Preferences and regenerating required HMACs. Infrastructure leverages Ethereum smart contracts as dead-drop resolvers for dynamic C2 configuration. Seven distinct campaigns over 15 months show evolution from PULSAR RAT to REMCOS RAT delivery. Attackers impersonate twelve Brazilian banks through Portuguese-language lures, with transaction patterns clustering during São Paulo working hours. The malicious extensions intercept credentials, session tokens, and sensitive banking data through keylogging and request interception capabilities. Over 1,500 infections have been temporarily disrupted through network canary registration, with 98.75% of victims located in Brazil.

MediumMalwareBrazil#kremlin#browser extension#ethereum dead-drop

BambooToken is an emerging multiplatform malware family active since at least February 2023, utilizing the Message Queueing and Telemetry Transport (MQTT) protocol for covert command and control operations. The campaign targets Windows and Linux systems across Asia and South America, with infections observed on backend servers for mobile applications, legal and financial services, software companies, hotels, and GitLab instances. The malware leverages sideloading techniques through Tendyron's OnKey authentication software, commonly used in Chinese banking and government networks. Analysis reveals extensive host enumeration capabilities, plugins for antivirus detection, and potential keylogging and clipboard theft functions. Infrastructure analysis shows C2 domains ranking in Cloudflare's top 500,000, indicating widespread infections. The actor demonstrates sophisticated operational security, using MQTT's publish-subscribe architecture to hide infrastructure and employing Cloudflare proxies for additional o...

MediumMalwareArgentinaCambodiaChile+6#supply chain#mqtt#iocontrol

In July 2026, IIJ discovered and analyzed an unknown .NET-based malicious tool hosted on a public directory. This tool, named PIVOTPIPE, exhibits functionality similar to Cobalt Strike Beacon, communicating with C2 servers using configurations close to default profiles and supporting numerous C2 commands. However, PIVOTPIPE differs from official Cobalt Strike Beacon through unique implementations including detection evasion code, custom loaders, and obfuscated strings. The tool consists of two components: a loader and RAT module. The loader implements AMSI bypass, indirect syscalls, and sleep masking for EDR evasion. PIVOTPIPE supports TCP Beacon and SMB Beacon functionality for peer-to-peer communication through compromised hosts. Debug artifacts suggest the tool was still under development at the time of discovery, indicating potential future enhancements.

LegionLoader malware is being distributed through ClickFix tactics using fake Cloudflare CAPTCHA pages. Two primary distribution methods have been identified: one exploits Korea's Newlywed Hope Town Namu Wiki page with malicious URLs, while the other uses spear phishing emails targeting specific companies disguised as internal business system account issuance instructions. When users access these malicious URLs, they are redirected to fake CAPTCHA pages that trick them into executing PowerShell commands, which download and execute LegionLoader. The malware sequentially decrypts encrypted shellcode and PE files, evaluates the infection environment through display device checks and ASN verification, then executes backdoor malware capable of running various payloads including PE files, shellcode, PowerShell scripts, and MSI files. It also steals Chrome browser credentials and profile information based on C2 server commands.