Threat Research | Weekly Recap [24 May 2026]

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hendryadrian.com

Supply Chain & Developer Tool Abuse

• TrapDoor crypto-stealer hit npm, PyPI, and Crates.io, abusing AI config files to steal wallets, SSH keys, cloud creds, and browser data — original
• Compromised @antv npm packages spread Mini Shai-Hulud-style install-time payloads that steal developer secrets and republish infected releases — original
• Typosquatted Go module github.com/shopsprint/decimal shipped a DNS TXT backdoor and remained available via proxy mirrors — original
• Trojanized JDownloader installers delivered an r77 rootkit bot and WDAC policy to disable security tools — original
• Compromised art-template npm package helped deliver a Coruna-linked iOS browser exploit kit — original
• Malicious Windsurf IDE extension used the Solana blockchain to stage a NodeJS stealer and hidden persistence — original

AI, SEO Poisoning & Fake Developer Tool Lures

• SEO poisoning used fake Gemini CLI and Claude Code downloads to install an infostealer that grabs tokens, cookies, files, and credentials — original
• Google Ads impersonating Claude Code pushed Windows stealers and a macOS backdoor via ClickFix-style commands — original
• Gemini-assisted influence and fraud campaign automated credential theft, crypto scams, and propaganda through a fake persona network — original
• AI-generated scripts are increasingly reaching production, raising governance and embedded-credential risks in SMB automation — original

Windows Exploitation, Zero-Days & Privilege Escalation

• YellowKey and GreenPlasma zero-days enabled BitLocker bypass and SYSTEM escalation; CVE-2026-45585 was assigned to YellowKey — original
• Nightmare-Eclipse publicly released YellowKey and GreenPlasma, with evidence the toolkit is already used in intrusions — original
• Legacy MSHTA remains a common malware launcher for LummaStealer, PurpleFox, loaders, and multi-stage HTA/PowerShell chains — original
• SonicWall SSL VPN exploitation of CVE-2024-12802 showed patched devices can remain exposed without manual reconfiguration — original
• Azure VMAccess naming abuse can evade password-reset telemetry and create a detection gap in Azure environments — original

APT, Espionage & Regional Operations

• Screening Serpens used tailored lures, DLL sideloading, and AppDomainManager hijacking to deploy MiniUpdate and MiniJunk V2 RATs — original
• Nimbus Manticore reused phishing, Trojanized installers, and MiniFast in campaigns against aviation and software targets — original
• Cloud Atlas expanded SSH-tunnel tradecraft with VBCloud, PowerShower, RevSocks, Tor, and PowerCloud for covert access — original
• Webworm added EchoCreep and GraphWorm, leveraging Discord, Microsoft Graph API, GitHub staging, and cloud infrastructure — original
• UNG0002 targeted Chinese academia with a weaponized institutional lure, DLL sideloading, and a final Cobalt Strike beacon — original
• Void Dokkaebi updated InvisibleFerret to Cython-compiled binaries and broadened BeaverTail for credential theft and wallet installation — original

Ransomware, Extortion & Credential Theft

• CoinbaseCartel ran a single-extortion, data-theft-only model and tied into ShinyHunters/Scattered Spider/Lapsus$ ecosystems — original
• The Gentlemen ransomware used Scheduled Tasks, PowerShell, log clearing, and Defender tampering for defense evasion — original
• Agent Tesla campaign hit LATAM enterprises with procurement lures, fileless execution, and FTP-based exfiltration — original
• ValleyRAT was delivered through fake Microsoft Teams downloads, NSIS installers, and DLL sideloading — original
• Banana RAT was linked to banking fraud activity originating from a compromised build server — original
• ShinyHunters, Andariel, BlueNoroff, and others featured in a broader financial-sector phishing, infostealer, and ransomware wave — original

Cloud, Platform & Infrastructure Abuse

• Azure-based vulnerable lab environments and validation workflows help test misconfigurations, privilege escalation, and cross-account access at scale — original
• Kubernetes CVE-2021-25740 allows traffic redirection via EndpointSlice/Endpoint manipulation in multi-tenant clusters — original
• UEFI PNG decoder flaw in BIOS firmware can trigger boot-time buffer over-read and potential memory/NVRAM leakage — original

Fraud, Phishing & Consumer Abuse

• Android carrier-billing fraud used nearly 250 malicious apps for premium SMS abuse across multiple countries — original
• Discord- and Dropbox-backed lure campaign hijacked Google accounts by abusing Family Link and malicious parent controls — original
• Fake event-invitation phishing delivered remote management tools such as ScreenConnect and LogMeIn Rescue for unauthorized access — original
• Phishing-to-RMM activity abused trusted tools and routine-looking downloads to create a remote-access blind spot for SOCs — original
• IPL 2026 betting ecosystem expanded through fake domains, tipper networks, deepfakes, and money-mule services — original

Malware Infrastructure, TTPs & Trend Reporting

• Dark web profile and sector reports highlighted growing reuse of stolen credentials, Telegram theft channels, and malware-for-hire ecosystems — original
• Global domain activity data showed millions of newly registered domains with a large malicious share, reinforcing NRD abuse trends — original
• AI-era threat research notes a need for machine-speed prioritization of actively exploited CVEs like React2Shell — original

Threat Research | Weekly Recap – hendryadrian.com