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Inside SHADOW-WATER-084: A Steganographic Loader-as-a-Service Delivering Remcos, LXBASE, and More
Malware

Inside SHADOW-WATER-084: A Steganographic Loader-as-a-Service Delivering Remcos, LXBASE, and More

TrendAI™ Research tracked three campaigns that ship completely different decoy applications and unrelated payloads, all riding one shared toolkit. This analysis covers the full chain, from the pixel data that hides the first stage, through a flexible shared loader to deliver multiple payloads, revealing how adversaries are standardizing their delivery mechanisms.

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Ransomware as a Service (RaaS)
Anubis: A Closer Look at an Emerging Ransomware with Built-in Wiper

Anubis is an emerging ransomware-as-a-service (RaaS) group that adds a destructive edge to the typical double-extortion model with its file-wiping feature. We explore its origins and examine the tactics behind its dual-threat approach.

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TikTok Videos Promise Pirated Apps, Deliver Vidar and StealC Infostealers Instead

Trend™ Research uncovered a campaign on TikTok that uses videos to lure victims into downloading information stealers, a tactic that can be automated using AI tools.

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Cyber threats
Fake CAPTCHA Attacks Deploy Infostealers and RATs in a Multistage Payload Chain

We have detected a new tactic involving fake CAPTCHA pages that trick users into executing harmful commands in Windows. This scheme uses disguised files sent via phishing and other malicious methods.

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Exploits & Zero-DaysAPTsCyber espionage
ZDI-CAN-25373: Windows Shortcut Exploit Abused as Zero-Day in Widespread APT Campaigns

Trend Zero Day Initiative™ (ZDI) uncovered both state-sponsored and cybercriminal groups extensively exploiting ZDI-CAN-25373 (aka ZDI-25-148), a Windows .lnk file vulnerability that enables hidden command execution.

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Invisible Prompt Injection: A Threat to AI Security

This article explains the invisible prompt injection, including how it works, an attack scenario, and how users can protect themselves.

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Game of Emperor: Unveiling Long Term Earth Estries Cyber Intrusions

Since 2023, APT group Earth Estries has aggressively targeted key industries globally with sophisticated techniques and new backdoors, like GHOSTSPIDER and MASOL RAT, for prolonged espionage operations.

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Silent Threat: Red Team Tool EDRSilencer Disrupting Endpoint Security Solutions

Trend Micro's Threat Hunting Team has observed EDRSilencer, a red team tool that threat actors are attempting to abuse for its ability to block EDR traffic and conceal malicious activity.

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Behind the Great Wall: Void Arachne Targets Chinese-Speaking Users With the Winos 4.0 C&C Framework

We recently discovered a new threat actor group that we dubbed Void Arachne. This group targets Chinese-speaking users with malicious Windows Installer (MSI) files in a recent campaign. These MSI files contain legitimate software installer files for AI software and other popular software but are bundled with malicious Winos payloads.

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Deepfakes
A Deepfake Scammed a Bank out of $25M — Now What?

A finance worker in Hong Kong was tricked by a deepfake video conference. The future of defending against deepfakes is as much as human challenge as a technological one.

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Lemon Group’s Cybercriminal Businesses Built on Preinfected Devices

An overview of the Lemon Group’s use of preinfected mobile devices, and how this scheme is potentially being developed and expanded to other internet of things (IoT) devices. This research was presented in full at the Black Hat Asia 2023 Conference in Singapore in May 2023.

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