Group-IB

🚨Group-IB researchers uncovered a large-scale fraud ecosystem operating ahead of kickoff, with more than 4,300 fraudulent domains impersonating the tournament’s official web presence and over 300 active phishing domains targeting fans globally. At the center of the operation is GHOST STADIUM, a sophisticated phishing campaign leveraging cloned SSO authentication flows, fake hospitality portals, coordinated social media distribution, and multi-rail payment fraud infrastructure. Key Highlights: 🔹4,300+ fraudulent tournament-themed domains identified. 🔹300+ active phishing domains linked to one coordinated operator. 🔹2,513 compromised credential pairs circulating on dark web markets. 🔹Estimated premium ticket fraud losses ranging from $71M to $474M USD. 🔹130,000+ infostealer logs containing tournament-related data. 🔹Underground Fraud-as-a-Service vendors selling phishing kits and ticket scam infrastructure. Read the full technical analysis. #ThreatIntelligence #FraudProtection

🚨Group-IB researchers uncovered a sophisticated global smishing operation that has impersonated more than 267 brands across 72 countries and generated over 4,389 phishing domains since the second half of 2025. The campaign combines SMS phishing, geofencing, device fingerprinting, fake Cloudflare error pages, and encrypted WebSocket communications to evade detection and harvest personal and payment card data in real time. Key findings: 🔹 Telecommunications emerged as the most targeted sector with 1,754 domains, followed by financial services with 696 domains and consumer rewards programs with 488 domains. 🔹 Malicious content is revealed only to victims matching specific geographic and mobile device criteria. 🔹 Stolen data is exfiltrated through encrypted WebSocket channels using binary encoded payloads. 🔹 Approximately 30 percent of the infrastructure is hosted on Tencent Cloud and Alibaba origin servers while being fronted by Cloudflare. Read the full technical analysis. #DRP #Smishing

💳 The $48 Billion Blind Spot: Why Merchants Pay for Card Breaches They Can’t See The scale of the problem: 🔹200M+ compromised payment cards actively circulating in underground markets 🔹E-commerce fraud projected to reach $53 billion in 2025 🔹Every $1 of fraud costs merchants $4.61 once chargebacks, fees, and operational costs are factored in Why merchants can’t access the intelligence: 1️⃣ PCI DSS prohibits storing raw card data 2️⃣ Card network notification systems (Visa CAMS, Mastercard SAFE) operate issuer-to-issuer only 3️⃣ GDPR and data protection laws block cross-border sharing of personal identifiers The result: Merchants absorb losses from cards that were already confirmed compromised. They just had no way to know. What’s changing: Privacy-preserving Distributed Tokenization enables real-time compromised card checks at authorization, without raw card data or PCI DSS scope expansion. Read the full analysis. #FraudPrevention #EcommerceSecurity #Cybersecurity

Our latest research examines SilabRAT, a Malware-as-a-Service platform sold on underground forums that combines credential theft, browser profile cloning, HVNC, Chrome App-Bound Encryption bypass techniques, and cryptocurrency-focused capabilities into a single offering. Key findings: 🔹 SilabRAT has been marketed on underground forums since late 2025 for $5,000/month 🔹 Leverages HVNC for invisible interaction with victim systems; other session access options include browser profile cloning, cookie theft 🔹 Includes functionality to bypass Chrome App-Bound Encryption (ABE) and extract protected browser data 🔹 Features automated cryptocurrency wallet targeting and password recovery capabilities 🔹 Observed in real-world campaigns leveraging ClickFix social engineering techniques As cybercriminals move beyond simple credential theft toward full session compromise, understanding emerging RAT capabilities is critical for defenders. 🔗 Read the full analysis. #ThreatIntel #MalwareAnalysis #CyberSecurity

Group-IB supported INTERPOL and the Algerian National Police in dismantling SniperDz, a phishing-as-a-service (PhaaS) platform that operated for nearly a decade and enabled cybercriminals to launch phishing campaigns at scale. Key findings: 🔹 20,000+ domains linked to the ecosystem 🔹 30+ global brands impersonated 🔹 80 phishing templates across five languages 🔹 45,000+ victim records reported by the platform in 2016 alone Following a multi-month investigation, the operation led to the disruption of SniperDz infrastructure and the arrest of its primary developer and administrator. The takedown of a platform operating at this scale is a major blow to the phishing ecosystem and helps better protect users of financial, telecom, entertainment, and other online services. 🔗 Read the full story. #CyberSecurity #Phishing #ThreatIntelligence #INTERPOL

🚨Smishing campaigns continue to evolve beyond convincing lures. Modern phishing operations are increasingly engineered to evade detection. In our latest technical analysis, Group-IB researchers dissect a campaign targeting drivers in Serbia through fake traffic fine SMS notifications. The investigation links the operation to two Phishing-as-a-Service ecosystems, Darcula and Phoenix, and reveals a phishing framework built for scale, resilience, and evasion. The report explores how attackers: 🔹Deploy disposable lookalike domains and cloned government portals 🔹Use JavaScript-based runtime decoding and client-side obfuscation to hide phishing content from automated scanners 🔹Leverage browser APIs such as requestIdleCallback and IntersectionObserver to selectively render malicious content 🔹Rotate infrastructure rapidly to stay ahead of detection and takedowns Read the full technical analysis. #Phishing #Smishing #CyberSecurity

Scattered Spider has been linked to major cyberattacks in recent years, but our latest research suggests the threat is often misunderstood. Group-IB's investigation shows Scattered Spider is not a single threat group but a decentralized cybercrime collective of independent subclusters connected by shared TTPs. Key findings: 🔹 Scattered Spider is better understood as a network of autonomous subclusters rather than a centralized organization. 🔹 Oktapus represents one subcluster within the Scattered Spider ecosystem, not the collective itself. 🔹 The same subclusters have been linked to SIM swapping, crypto theft, enterprise intrusions, ransomware, and access brokerage. 🔹 Social engineering remains the primary access vector, with phishing, vishing, & smishing campaigns leveraging short-lived identity provider impersonation sites. 🔹 Its decentralized structure allows operations to continue despite arrests & law enforcement action. Read the full technical analysis here. #ThreatIntelligence #ScatteredSpider

Android malware continues to evolve, and RedHook is a prime example of how legitimate developer features can be repurposed for malicious gain. Our latest research analyzes the newest version of the RedHook Android RAT, which introduces a sophisticated privilege abuse chain by leveraging ADB Wireless Debugging to obtain shell-level access.. Key Highlights: 🔹 Autonomous abuse of ADB Wireless Debugging to gain shell-level privileges (uid 2000) 🔹 Integration of the Shizuku framework to execute protected Android system APIs 🔹 An expanded command-and-control framework supporting 53 remote commands 🔹 A robust persistence stack designed to survive reboots and evade process termination 🔹 Distribution through spoofed government and financial websites, with malicious APKs hosted on trusted platforms such as GitHub and AWS S3 🔹 Recent activity indicating an expansion of targeting from Vietnam to Indonesia Read the full technical analysis. #ThreatIntelligence #ThreatResearch #AndroidMalware

🚨Group-IB researchers have uncovered ClickLock Stealer, a previously undocumented macOS malware that combines ClickFix social engineering, credential theft, crypto wallet harvesting, Keychain extraction, and persistent remote access into a single attack chain. Key findings: 🔹At least 100 victims identified across 33 countries, with more than 50% located in Europe 🔹Targets 8 browsers, 31 crypto wallet extensions, 7 password manager extensions, and 8 desktop wallet applications 🔹Uses coercive "locker" techniques that repeatedly kill user applications until victims enter passwords or approve Keychain access 🔹Leverages Telegram bots for exfiltration and a modified GSocket backdoor for persistent access 🔹Relies entirely on social engineering, requiring no exploits or elevated privileges to compromise systems 🔹Had zero detections at the time of discovery Read the full technical analysis. #ThreatIntelligence #MalwareAnalysis #CyberSecurity #ClickLockStealer

🚨 Group-IB Threat Intelligence researchers have uncovered HOLLOWGRAPH, a Windows malware linked with high confidence to the Cavern framework that abuses Microsoft Graph API and compromised Microsoft 365 accounts to establish a covert command-and-control channel. Key findings from our research: 🔹 Microsoft 365 calendars repurposed as two-way dead drops for command execution and data exfiltration 🔹 Commands and stolen files hidden inside encrypted calendar event attachments scheduled for the year 2050 🔹 DNS tunneling over IPv6 AAAA records used to refresh Microsoft Entra ID credentials required for cloud-based C2 communications 🔹 At least 12 identified victims, with telemetry suggesting a highly targeted operation focused on Israeli entities 🔹 Technical overlaps linking HOLLOWGRAPH to the broader Cavern framework Read the full technical analysis. #ThreatIntelligence #CyberSecurity #MalwareAnalysis

🚨A single OPSEC mistake exposed an entire China-nexus operation. An exposed Alibaba Cloud staging server provided a rare view into an active threat operation. The infrastructure revealed attacker tooling, bash history, victim paths, and post-exploitation activity, leading to the discovery of a previously undocumented threat cluster we track as JadeProx. Key Highlights: 🔹Discovery of TriBack Loader, a previously undocumented malware family observed across four infection chains. 🔹Targeting of government, healthcare, and education organizations across Southeast Asia, alongside phishing campaigns in Latin America. 🔹Abuse of signed Microsoft and G DATA binaries for DLL sideloading and payload execution. 🔹Use of InitOnceExecuteOnce, TimerQueue callbacks, and EtwpCreateEtwThread for evasion. 🔹Deployment of AdaptixC2 and the Beagle backdoor through a shared loader architecture. 🔹Large-scale vulnerability scanning, credential harvesting, and tunneling activity. 🔗 Read the full blog #ThreatIntelligence

🎉 Group-IB's Threat Intelligence solution is now available in AWS Marketplace. Designed to provide adversary-centric intelligence, Group-IB's Threat Intelligence helps organizations identify and assess cyber threats at their earliest stages: from compromised credentials and dark web activity to emerging cybercrime groups, APT campaigns, fraud schemes, and large-scale attack indicators. Powered by Group-IB's global Digital Crime Resistance Centers, adversary-centric research, and one of the industry's largest cybersecurity data lakes, the solution delivers verified, actionable intelligence. Proven through contributions to more than 1,600 global law enforcement investigations worldwide, it helps security teams shift from reactive response to proactive defense. Now available on AWS Marketplace, customers can simplify procurement, consolidate billing, and gain faster access to threat intelligence. Get started with Group-IB Threat Intelligence on AWS Marketplace today. #GroupIB #ThreatIntelligence #AWS

🚨The most expensive fraud sits at the one stage nobody in the bank owns. Cyber sees the fake domain. Fraud sees the money leaving. The moment a customer is compromised falls into the gap between teams, where no telemetry tells the full story. Group-IB CEO Dmitry Volkov calls this positional, not technological: no transaction-layer tool removes it, only an observer placed earlier on the chain. Article one in his new series, One Adversary, opens with an exercise: map your last serious fraud case stage by stage, and name the team that could have caught each one. The stage with no name beside it is where your losses live. Read it here. #CyberFraudFusion #FraudPrevention #CyberSecurity

🚨Right person. Right device. Right password. Wrong everything else. Kyrgyz Investment and Credit Bank (KICB) set out to protect its 500,000+ customers from the attacks that traditional security struggles to stop: social engineering, account takeover, and unauthorized remote access. Fraud that looks legitimate because the customer is the one being manipulated. Together with its implementation partner, Noventiq Kyrgyzstan, KICB deployed Group-IB Fraud Protection to detect these attacks in real time and give investigators the context they need to act quickly. "The most significant result we have seen so far is in combating social engineering attacks. Fraud Protection helps us identify events that were previously difficult to detect through manual review and provides significantly more context for investigating suspicious activity." — Aida Isakova, Head of Anti-Fraud, KICB Read the full story. #CyberSecurity #SocialEngineering #FinancialSecurity

☎️ A live phone call. A remote access trojan. An NFC relay malware. Group-IB researchers uncovered WindRelay, a previously unseen Android NFC relay malware deployed alongside SpyNote RAT in a live-call fraud scheme. The investigation reveals how threat actors are combining: 🔹 Social engineering calls with personalized RAT delivery 🔹 Remote sideloading of NFC relay malware 🔹 Real-time interception and relay of EMV card transactions 🔹 23 related samples and four C2 IPs linked to WindRelay activity The findings also highlight why defenders should look beyond screen-sharing detection and monitor Accessibility Service abuse, sideloaded apps, suspicious permissions, and NFC activity. 👉 Read the full technical analysis. #AndroidMalware #SpyNoteRAT #WindRelay #FraudPrevention

🕰️ Every fraud operating model contains an assumption nobody wrote down: the money will wait while the case file travels. Confirm the case. Assemble the file. Cross the team boundary: email, ticket, weekly sync. Each step is reasonable. The sum assumes the money waits. It does not. RUSI research on UK banking data: 28% of stolen funds gone within fifteen minutes of the fraudulent transfer. Over 85% within a day. Dmitry Volkov's second article, One Adversary: The Fifteen-Minute Problem, argues this number ends the case file era, and shows where the time is won back: not by hurrying investigators, but in the weeks of preparation every fifteen minute execution is bought with. He gives that interval a name, Defensive Lead Time, and a metric to manage it by. Learn more about it in the most useful six minutes read you’ll indulge in this week. #FraudPrevention #FinancialCrime #CyberSecurity

🚨Balonx Sistema shows how Phishing-as-a-Service (PhaaS) is evolving into a multi-vector financial fraud operation targeting Mexican banking customers. In our latest technical investigation, Group-IB uncovers how the operation combines: 🔹 Weekly PhaaS subscriptions targeting 20+ financial institutions (3,000–6,000 MXN/week) 🔹 1,100+ harvested credentials and financial records since October 2025 🔹 WebSocket-based real-time session hijacking with 14 screen types for MFA interception 🔹 Spyroid-based Android RAT (BankProtect) for persistent device control 🔹 AI-powered vishing using GPT-4o-mini, ElevenLabs, and OpenAI Whisper 🔹 350+ domains linked to the Balonx and Aclaraciones Bancarias campaigns The investigation reveals how phishing, malware, and AI-driven social engineering are being integrated into a single criminal ecosystem with active domain rotation and centralized PostgreSQL infrastructure. Read the full technical analysis. #Phishing #FinancialFraud #CyberSecurity #MalwareThreats

The hardest fraud to stop is the one the customer approves. By the time the money moves, there is nothing left to refuse. Investment scams and fake platforms cost billions annually. If you try to fight these operations at the transaction layer, you lose, because the payment is the criminals' most defensible point. But Group-IB’s latest analysis reveals their fatal flaw: fraud at this scale cannot afford to be artisanal. What makes these operations industrial also makes them profoundly networked through shared hosting, reused templates, and connected mule accounts. Article three, in Dmitry Volkov's One Adversary series, shifts the focus from the payment to the network. It challenges you to ask the exact question every CRO should be putting on the agenda: how do we see what peer institutions have flagged without customer data ever leaving the bank? Read it here. #CyberFraudFusion #FraudPrevention #CyberSecurity

🚨Tortoiseshell is evolving its infrastructure and expanding its operational footprint across Europe and the Middle East. In our latest technical analysis, Group-IB Threat Intelligence uncovered new infrastructure and malware associated with the Iranian-nexus APT, including a reverse SSH tunneling tool disguised as wtsapi32.dll and TWOSTROKE C++ backdoor capable of command execution, file exfiltration, in-memory DLL execution, and host reconnaissance. Our research also identified additional C2 infrastructure and geographically named subdomains that may indicate a broader targeting profile. Read the full technical analysis to explore Tortoiseshell's evolving toolset, infrastructure, C2 architecture, and defensive recommendations. #ThreatIntelligence #APT #CyberSecurity #Tortoiseshell

🚨 By the time a bank detects fraud, legacy systems are simply watching the end of a story they missed. When an industrial malware campaign hit 11,000 devices, unfused banks drowned in isolated alerts while losses compounded. But institutions with cyber-fraud fused defense held fraud success to just 0.027%, a 9x reduction compared to the market. Global regulators are taking note, rapidly shifting mandates to require cyber and fraud to operate as a single architecture. Article three in Dmitry Volkov's One Adversary series turns strategy debates into hard proof. It delivers the exact two questions your Risk Committee needs to answer before the next campaign hits. Read it here. #FinancialSecurity #RiskManagement #CyberSecurity #Compliance

🚨 Cybercrime is evolving, and so is the underground economy behind it. Group-IB has uncovered BraZetsu, a sophisticated malware framework attributed to Brazilian threat actor Exilware, revealing how cybercriminals are using AI-enhanced reconnaissance to identify high-value targets across banking, ERP, government, and industrial environments. BraZetsu powers the Infected Marketplace, where initial access to compromised systems is sold as a tradable commodity, allowing buyers to deploy their own malicious payloads without ever establishing the initial foothold themselves. Read the full technical analysis. #Cybersecurity #ThreatIntelligence #BraZetsu #AI

🚨 Outsider Phishing Kit: a resilient PhaaS threat Group-IB researchers uncovered the Outsider Phishing Kit, operated by threat actor ChenLun, which has enabled large-scale smishing campaigns targeting 54+ countries. From December 2025 to May 2026, researchers identified 100,000+ phishing pages and 267+ ready-made templates targeting financial services, telecom, government, logistics and other sectors. The kit includes AiTM capabilities, real-time credential and payment card interception, MFA manipulation, WebSocket-based C2 communication and anti-analysis techniques. Even after law enforcement action, Group-IB identified 700+ new phishing pages and domains, highlighting the resilience of the ecosystem. Read the full technical analysis. #CyberSecurity #Phishing #Smishing #PhaaS

🚨 Group-IB uncovers Vwork, a weaponized fork of the open-source Android app cloner Shelter, used alongside the Gigabud banking trojan. Vwork abuses Android Work Profiles to clone banking apps into an isolated environment, helping attackers evade detection and bypass fraud controls. Vwork-compatible Gigabud samples were identified across LATAM, MENA, and APAC, targeting Brazil, Colombia, Egypt, Indonesia, Laos, Mexico, Morocco, the Philippines, Thailand, Türkiye, and a GCC member state. In Indonesia, Group-IB observed 1,469 compromised devices and 1,281 potentially compromised logins between February and July 2026, with estimated losses of $960,939. Read the full technical analysis. #ThreatIntelligence #AndroidMalware #Vwork #Gigabud