Latrodectus

Post by @lazarusholic.bsky.social - Bluesky

A Sonatype report identified six malicious npm packages that used Ethereum transactions to retrieve and stage malicious payloads, an unusual delivery method that obscures second-stage infrastructure behind blockchain activity. The campaign was linked in public reporting to ContagiousInterview and NullReceiver, indicating continued abuse of the JavaScript and Node.js ecosystem for software supply-chain compromise. The activity aligns with broader attacker tradecraft documented for MITRE ATT&CK T1059.007 (Command and Scripting Interpreter: JavaScript), which covers JavaScript and Node.js use for payload delivery, execution, reconnaissance, and command-and-control. Defenders monitoring follow-on behavior should watch for suspicious child-process activity and discovery commands launched from non-shell parent processes, a pattern reflected in Splunk detection guidance for tools such as ipconfig.exe, systeminfo.exe, net.exe, and whoami.exe executed outside normal cmd.exe or PowerShell chains.

CaptiveCrunch: Midnight Blizzard targets travelers worldwide for malware delivery and credential theft - Malware News - Malware Analysis, News and Indicators

Microsoft reported that social-engineering lures are increasingly being used to trick users into launching malware themselves, with the ClickFix technique emerging as a major delivery method across phishing, malvertising, and compromised websites. In ClickFix attacks, victims are shown fake CAPTCHA, verification, or repair prompts that copy malicious commands to the clipboard and persuade them to run them, often leading to fileless execution through LOLBins, obfuscated PowerShell, and follow-on payloads such as Lumma Stealer, DarkGate, Latrodectus, ScreenConnect, and AMOS. Microsoft said the technique has hit thousands of enterprise and consumer devices daily and is now supported by a growing underground market of ClickFix builder kits sold on criminal forums. Fresh activity shows the tactic continuing to evolve. A SmartApeSG campaign observed on compromised web traffic redirected victims to a fake human-verification flow that fetched an HTA downloader from deltaode[.]com, retrieved a ZIP archive, and abused DLL side-loading to launch an unidentified RAT that later communicated with 89.124.79[.]98 over TCP 443. Separately, Microsoft linked the CaptiveCrunch campaign to Storm-2945, a sub-cluster of Russia-linked Midnight Blizzard, which has manipulated DNS and HTTP traffic on hospitality and other captive-portal networks to redirect travelers to phishing pages and fake browser or OS updates delivering CornFlake and ChocoShell for credential theft and espionage, including theft of browser credentials, Microsoft 365 tokens, and Wi-Fi credentials.

Malware-Traffic-Analysis.net - 2026-07-31: SmartApeSG ClickFix campaign pushes unidentified RAT

ACR Stealer Spreads Through ClickFix Lures

Microsoft reported a rise in ACR Stealer intrusions across customer environments, tracing two prominent infection chains that relied on ClickFix social engineering to trick users into launching malicious commands. In one chain, attackers delivered DLLs over WebDAV, then used obfuscated PowerShell, Python-based loaders, and scheduled tasks for persistence; some infections also resolved command-and-control infrastructure through blockchain-based dead-drop techniques such as EtherHiding. A second chain used mshta.exe, VBScript, and obfuscated PowerShell before retrieving payloads hidden inside a hosted JPEG and executing them filelessly in memory. The campaigns were designed to steal browser credentials, cookies, authentication tokens, and sensitive enterprise documents, including PDFs and Microsoft 365-related files. Microsoft said the malware abuses DPAPI to decrypt browser data and stages the collected information for exfiltration. The company published indicators of compromise, MITRE ATT&CK mappings, hunting queries, and mitigation guidance focused on detecting ClickFix lures, suspicious WebDAV or MSHTA activity, obfuscated PowerShell, persistence mechanisms, and browser credential theft.

Microsoft warns of surge in ACR Stealer attacks on customers

ACR Stealer exploits user interaction to steal sensitive data | brief | SC Media

ACR Stealer Uses ClickFix Lures to Steal Browser Tokens and Microsoft 365 Files

ACR Stealer ClickFix Campaign Uses WebDAV and MSHTA