A unique phishing campaign has been identified, urging users to install a Chrome extension through an attached file. The threat actor entices victims with the promise of a $50,000 prize and privacy protection. The malicious extension, disguised as a MAC spoofer, actually captures user credentials when logging into various services. The campaign uses social engineering techniques and a seemingly legitimate domain to appear trustworthy. The extension is manually installed, bypassing the Chrome Web Store. Analysis of the extension's files revealed its true purpose of sending captured information to the attacker's server. This case highlights the importance of human analysis in detecting threats that bypass automated security solutions.
A new tech support scam campaign exploits Microsoft's trusted brand to deceive users. It starts with phishing emails promising payments, leading victims to fake CAPTCHA challenges. After completion, users are redirected to a browser-locked landing page mimicking ransomware, with multiple pop-ups resembling Microsoft security alerts. These pop-ups urge victims to call a fraudulent support number, enabling phone-based social engineering. The scam combines browser manipulation, phishing, and social engineering to potentially gain system access. No direct malware or exploits are involved, but the psychological manipulation can lead to financial loss or unauthorized access. The campaign underscores the risks of trusting familiar branding without verification and highlights the need for user awareness and layered defenses. Indicators include multiple malicious URLs and domains used in the campaign. The threat is medium severity due to its social engineering nature and potential impact on confidentiality and integrity.
FortiGuard Labs has traced a hacker group's evolving campaigns across Asia, starting with Winos 4.0 attacks in Taiwan and expanding to Japan and Malaysia. The group employs phishing emails with malicious PDFs and evolving malware delivery tactics. They've shifted from using cloud storage links to custom domains for malware distribution. The latest campaign in Malaysia uses a multi-stage attack flow, leveraging the Windows Task Scheduler for stealth. The malware, identified as HoldingHands, has been updated with new features, including the ability to update C2 IP addresses via registry entries. The attackers have demonstrated adaptability in their techniques while maintaining some consistent patterns, allowing researchers to link seemingly unrelated attacks.
A spear-phishing campaign targeting the Russian Automobile-Commerce industry using a malicious.NET implant has been uncovered by Seqrite Labs Research Team and is now being investigated by the FBI.
A sophisticated campaign targeting macOS developers has been uncovered, utilizing fake websites impersonating trusted platforms like Homebrew, TradingView, and LogMeIn to distribute Odyssey Stealer and AMOS malware. The attackers employ social engineering tactics, prompting users to paste base64-encoded commands in Terminal, which downloads malicious payloads. Over 85 phishing domains were identified, linked through shared SSL certificates and infrastructure. The campaign's infrastructure includes long-standing IP addresses showing multi-year activity. The malware attempts privilege escalation, performs anti-analysis checks, and disrupts backup services. This coordinated operation demonstrates the attackers' ability to adapt tactics and maintain persistence in the macOS ecosystem.
A phishing campaign is impersonating LastPass by sending scam emails with alarming subjects like 'We Have Been Hacked' to trick users into clicking malicious links. These links lead to fake websites hosted on domains such as lastpassdesktop.com, designed to steal credentials and secret keys, potentially compromising users' password vaults. LastPass has confirmed it has not been breached and is actively working with partners like Cloudflare to take down these fraudulent domains and warn users. Similar phishing attacks have targeted other password managers, increasing the risk to users relying on these services. The campaign leverages social engineering tactics to create urgency and exploit trust in the LastPass brand. No direct system vulnerabilities are exploited, but the threat targets user credentials through deception. European organizations using LastPass or similar password managers are at risk of credential theft if users fall for these scams. Mitigation requires user education, domain blocking, and enhanced email filtering to detect and prevent phishing attempts.
A new Astaroth banking trojan campaign has been discovered abusing GitHub to host malware configurations. The infection begins with a phishing email containing a link to download a zipped Windows shortcut file, which installs the Astaroth malware. The trojan detects when users access banking or cryptocurrency websites and steals credentials through keylogging. It sends stolen information to attackers using Ngrok reverse proxy and uses GitHub to update its configuration when command and control servers become inaccessible. The malware primarily targets South American countries, with a focus on Brazil. Astaroth employs various anti-analysis techniques and targets specific banking and cryptocurrency-related sites. The GitHub repositories hosting the malicious configurations have been reported and taken down.
A sophisticated phishing campaign targets Colombian users by impersonating the Attorney General's Office with judicial notification lures. The attack uses a multi-stage infection chain starting with a malicious . SVG file attachment that triggers HTA, VBS, and PowerShell scripts, ultimately injecting the AsyncRAT malware into MSBuild.exe. AsyncRAT establishes command and control (C2) communications, steals data, and can dynamically load plugins. The campaign employs anti-virtual machine (VM) techniques, persistence mechanisms, and heavy obfuscation to evade detection. Although primarily focused on Colombia, the advanced tactics and malware capabilities pose risks to any organization exposed to similar phishing vectors. The threat demonstrates extensive use of MITRE ATT&CK techniques, including execution, persistence, defense evasion, credential access, and command and control. No known exploits or CVEs are associated, and the severity is assessed as medium based on current information.
Palo Alto Unit42 have uncovered a phishing kit named the IUAM ClickFix Generator that automates the creation of these attacks. The kit is designed to generate highly customizable phishing pages that lure victims by mimicking browser verification challenges often used to block automated traffic. It includes advanced features such as operating system detection and clipboard injection, enabling low-effort, cross-platform malware deployment.
ClayRat is an Android spyware campaign primarily targeting Russian users by masquerading as popular apps distributed through Telegram channels and phishing sites. It exfiltrates SMS, call logs, notifications, device info, takes photos, and sends SMS messages. The malware spreads aggressively by sending malicious links to victims' contacts, leveraging Android's default SMS handler role to bypass permission prompts. Over 600 samples and 50 droppers have been observed in three months, with continuous obfuscation improvements. The campaign uses impersonation, community distribution, UX deception, and self-propagation via SMS forwarding. While currently focused on Russia, the techniques and propagation methods pose risks to European organizations with Android users. No known exploits are publicly reported, and the campaign requires user interaction to install and propagate. Suggested severity is medium due to its impact on confidentiality and propagation capabilities but limited to targeted regions and requiring user action.
Qilin ransomware is used for domain-wide encryption, and a ransom is then demanded for the decryption keys and/or to prevent the publication of the stolen data. Qilin affiliates are recruited from cybercrime forums to use the Qilin RaaS platform, which handles payload generation, the publication of stolen data, and ransom negotiations.
Over the course of three months, Volexity observed UTA0388 using various themes and fictional identities across dozens of spear phishing campaigns. As time passed, Volexity observed UTA0388 broaden their targeting and send emails in a variety of different languages, including English, Chinese, Japanese, French, and German. In most cases, the initial email sent by UTA0388 contained a link to phishing content hosted on a cloud-based service that would lead to malware.
Since the release of XWorm V6.0 on June 4, 2025, we have noted a surge in samples identified as XWorm V6.0 on VirusTotal, reflecting its rapid adoption by threat actors. One prominent campaign illustrates its delivery: a malicious JavaScript (JS) file initiates a PowerShell (PS1) script, which deploys an injector to deliver the XWorm Client.
SORVEPOTEL has been observed to spread across Windows systems through convincing phishing messages with malicious ZIP file attachments. Interestingly, the phishing message that contains the malicious file attachment requires users to open it on a desktop, suggesting that threat actors might be more interested in targeting enterprises rather than consumers. Once opened, the malware automatically propagates via WhatsApp Web, causing infected accounts to be banned due to excessive spam activity.
APT SideWinder has launched a new targeted operation dubbed Operation SouthNet, focusing on the maritime sector in South Asia, particularly Pakistan and Sri Lanka. The group leverages free hosting platforms to deploy credential-harvesting portals and weaponized lure documents, while staging malware in open directories. Over 50 malicious domains were uncovered across various platforms, with Pakistan accounting for 40% of the identified domains. The campaign utilizes maritime and port-themed lures to target government and military entities. SideWinder's infrastructure overlaps with legacy C2 assets, indicating recycling across multiple years. The group maintains a high operational tempo, with new phishing domains emerging every 3-5 days.
Two Android spyware campaigns, ProSpy and ToSpy, have been discovered targeting users in the United Arab Emirates. These campaigns impersonate secure messaging apps like Signal and ToTok, distributing malware through deceptive websites and social engineering tactics. Once installed, the spyware exfiltrates sensitive data including contacts, SMS messages, files, and device information. The campaigns use persistence mechanisms to ensure continuous operation on compromised devices. ProSpy disguises itself as encryption plugins or pro versions of apps, while ToSpy exclusively mimics the ToTok app. The malware is distributed through unofficial sources, highlighting the risks of downloading apps outside official app stores.
Cavalry Werewolf, a malicious actor group, targeted Russian state agencies and enterprises in the energy, mining, and manufacturing sectors from May to August 2025. The attackers used targeted phishing emails, posing as Kyrgyz government officials, to gain initial access. They employed custom malware, including FoalShell reverse shells and StallionRAT, controlled via Telegram. The group impersonated or compromised real email accounts from Kyrgyz agencies. Their arsenal includes various versions of FoalShell (Go, C++, C#) and StallionRAT (Go, PowerShell, Python). The attackers executed commands for system reconnaissance, file uploads, and SOCKS5 proxying. Evidence suggests potential expansion to targets in Tajikistan and Middle Eastern countries.
An analysis of robots.txt files revealed over 60 cryptocurrency phishing pages impersonating hardware wallet brands Trezor and Ledger. The actor behind these pages attempted to block phishing reporting sites by including their endpoints in the robots.txt file, demonstrating a misunderstanding of its function. Most sites were hosted on Cloudflare Pages, with a few on custom domains. The campaign's unusual robots.txt pattern was also found in GitHub repositories containing crypto-themed spoof pages. Merge conflicts in README files suggest the actor may lack web development expertise. Various free web hosting providers were used for similar spoofed pages. The campaign highlights the ongoing targeting of cryptocurrency users and the potential effectiveness of even poorly executed phishing attempts.
This analysis details a sophisticated multi-stage attack delivering the XWorm RAT. The campaign begins with a phishing email containing a malicious .xlam file. The file harbors embedded shellcode that, when executed, retrieves a secondary payload. This payload is a .NET binary that reflectively loads a DLL into memory. The DLL, heavily obfuscated and encrypted, injects another DLL using reflective injection. The final stage involves process injection into the main executable, establishing persistence and exfiltrating data to Command & Control servers associated with the XWorm family. The attack chain demonstrates advanced evasion techniques, including the use of shellcode, steganography, and multiple stages of reflective DLL injection.
A phishing campaign targeting Ukrainian government entities uses malicious SVG files to initiate an infection chain. The attack begins with emails containing SVG attachments that redirect victims to a download site. A CHM file is then used to execute a remote HTA loader, which delivers two malware payloads: Amatera Stealer and PureMiner. Amatera Stealer harvests extensive information from infected systems, including credentials, system data, application data, browser files, and cryptocurrency wallets. PureMiner collects hardware information and monitors system activity to deploy efficient CPU or GPU mining modules. The campaign demonstrates sophisticated techniques, including fileless malware delivery and the use of multiple stages to evade detection.
