Luna Moth on DanSec Daily

Cybersecurity Brief – 2025-05-28

Wed, 28 May 2025 00:00:00 +0000

Major Incidents or Breaches

Adidas has disclosed a data breach following a compromise at a customer service provider, resulting in the theft of data from individuals who contacted the company’s customer service help desk. Payment or financial information was not affected.
MathWorks, the developer of MATLAB, has confirmed a ransomware attack that caused ongoing service outages. The specific ransomware group involved and whether data was exfiltrated remain unclear.
Commvault’s Metallic SaaS service has been targeted by threat actors who gained access to Microsoft 365 environments of a small number of customers, according to a CISA alert.
DragonForce ransomware successfully breached a managed service provider (MSP) and used the SimpleHelp remote monitoring and management (RMM) platform to steal data and deploy ransomware encryptors on downstream customer networks.
Apple reported it prevented over $9 billion in fraudulent transactions via the App Store over the past five years, including $2 billion in 2024, amid rising threats targeting the platform.

Newly Discovered Vulnerabilities

Microsoft has released an emergency update for Windows Server 2022 to address a known issue causing Hyper-V virtual machines to freeze or restart unexpectedly.
Misconfigured Docker API instances are being exploited by new self-spreading malware that transforms them into Dero cryptocurrency mining botnets.

Notable Threat Actor Activity

Russian threat group Void Blizzard (also known as Laundry Bear) has been linked to breaches of over 20 NGOs using Evilginx phishing via fake Microsoft Entra pages. The group has also been connected to the September 2024 Dutch police security breach.
Cybercriminals are cloning legitimate antivirus websites (specifically Bitdefender) to distribute the Venom remote access trojan (RAT) and steal cryptocurrency wallets.
The Luna Moth (Silent Ransom Group) is conducting stealth phishing campaigns, including vishing (voice phishing) attacks, to extort law firms, as highlighted in a recent FBI alert.
A novel campaign is using search engine optimization (SEO) poisoning to trick employees searching for payroll portals into payroll fraud, targeting mobile devices.
The Danabot botnet infrastructure has been seized in the US and key operators indicted, disrupting a major Russian cybercrime operation.
An Iranian national has pleaded guilty to involvement in RobbinHood ransomware attacks that targeted US cities and organisations.

Trends, Tools, or Tactics of Interest

Threat actors are increasingly using AI-generated audio to impersonate senior US officials in phishing attacks, according to an FBI warning.
Attackers are leveraging the SimpleHelp RMM platform in supply chain ransomware attacks, specifically in the DragonForce incident.
SEO poisoning is being used to redirect employees searching for payroll portals to malicious sites, facilitating payroll diversion fraud.
Self-spreading malware targeting Docker containers is automating the creation of cryptocurrency mining botnets.
There is a trend of cybercriminals cloning legitimate software vendor websites to distribute malware such as Venom RAT.
Law enforcement and industry partnerships are achieving significant disruption of cybercrime infrastructure, as demonstrated by the Danabot takedown.

Regulatory or Policy Developments Affecting the Security Industry

The FBI has issued multiple alerts regarding evolving social engineering and extortion tactics, including the use of AI-generated media and vishing campaigns.
CISA has published an advisory on attacks targeting Commvault’s SaaS environment, urging increased vigilance for SaaS providers and their customers.

Cybersecurity Brief – 2025-05-24

Sat, 24 May 2025 00:00:00 +0000

Major Incidents and Breaches

A massive data breach has exposed 184 million unencrypted passwords associated with Google, Microsoft, Facebook, and other platforms, significantly increasing credential stuffing and account takeover risks.
The decentralized exchange Cetus Protocol suffered a cryptocurrency heist resulting in the theft of $223 million. The operator is offering a deal to the attacker for the return of funds.
Europol, as part of Operation Endgame, coordinated a global crackdown on ransomware infrastructure, seizing approximately 300 servers, neutralizing 650 domains, and issuing arrest warrants for 20 individuals.
The FBI issued a warning regarding ongoing extortion attacks by the Luna Moth (Silent Ransom Group) targeting U.S. law firms through callback phishing and social engineering tactics.

Newly Discovered Vulnerabilities

Three critical zero-day vulnerabilities in Versa’s Concerto Orchestrator SD-WAN platform were patched. The flaws could allow complete compromise of both the application and the underlying host system.
Researchers disclosed that the threat actor “ViciousTrap” exploited a Cisco vulnerability to compromise nearly 5,300 network edge devices across 84 countries, creating a global honeypot network.

Notable Threat Actor Activity

A surge in phishing campaigns has been observed impersonating Meta and leveraging Google’s AppSheet platform, enabling attackers to evade detection by exploiting trusted cloud services.
Cybercriminals are actively distributing Vidar and StealC infostealer malware using the ClickFix technique, now propagated via TikTok videos for social engineering and malware delivery.
60 malicious NPM packages have been identified collecting host and network data, exfiltrating it to Discord webhooks controlled by threat actors.

Trends, Tools, and Tactics

Attackers are increasingly abusing legitimate platforms (e.g., Google AppSheet, TikTok, NPM) for phishing, social engineering, and malware distribution, demonstrating a shift toward exploiting trusted ecosystems to bypass security controls.
The open-source SafeLine WAF has been highlighted for its zero-day exploit detection and bot protection capabilities, reflecting increased demand for self-hosted, user-friendly web application firewalls.
The ClickFix technique is gaining traction as a malware distribution vector, leveraging interactive social engineering to facilitate infections.
AI continues to transform security operations, with advancements in automated policy enforcement, threat detection, and user coaching for data protection noted as key developments.
Concerns over data privacy and the extensive collection of user data by AI chatbots remain prominent, with some platforms harvesting up to 90% of user data types.

Regulatory and Policy Developments

Ongoing discussions emphasize the need for strengthened regulatory frameworks and privacy-enhancing technologies to address risks associated with generative AI and data privacy.
Law enforcement’s coordinated actions against ransomware infrastructure signal increased international collaboration and operational pressure on cybercriminal networks.

Cybersecurity Brief – 2025-05-06

Tue, 06 May 2025 00:00:00 +0000

Major Incidents or Breaches

UK Retail Sector Attacks: The UK’s National Cyber Security Centre (NCSC) issued new security guidance following three significant cyberattacks targeting major UK retailers.
TeleMessage Breach: TeleMessage, an unofficial Signal message archiving tool used by US government officials, suspended all services after a reported hack.
Educational Sector Disruptions (US): Multiple school districts in Georgia and a university in New Mexico experienced disruptive cyberattacks as the academic year ends.
Darcula Phishing Campaign: The Darcula phishing-as-a-service (PhaaS) platform stole 884,000 credit cards globally via malicious SMS campaigns.
Disney Data Leak: An individual pleaded guilty to stealing sensitive Disney data and falsely claiming to be a Russian hacktivist.
Peru Ransomware Claim: The Rhysida ransomware group claimed responsibility for an attack on the Peruvian government’s domain, though the government denies the incident.

Newly Discovered Vulnerabilities

Android Zero-Day: Google’s May 2025 security update addresses 46 Android vulnerabilities, including one actively exploited in the wild.
Apple AirPlay Zero-Click RCE: Researchers disclosed now-patched, wormable vulnerabilities in Apple’s AirPlay protocol that enabled zero-click remote code execution over public Wi-Fi.
Langflow Critical Flaw: A critical vulnerability in the open-source Langflow platform has been added to CISA’s Known Exploited Vulnerabilities (KEV) list following evidence of active exploitation.
Commvault Command Center: CVE-2025-34028, a maximum-severity flaw in Commvault Command Center, was also added to CISA’s KEV list after confirmation of in-the-wild exploitation.
Samsung MagicINFO CMS: The Mirai botnet is now exploiting a previously patched arbitrary file upload vulnerability (CVE-2024-7399) in Samsung MagicINFO CMS for remote code execution.
Kubernetes Helm Chart Risks: Microsoft warns that default configurations in Kubernetes Helm charts may expose sensitive data publicly.
EDR Bypass Technique: A new “Bring Your Own Installer” technique has been used to bypass SentinelOne’s tamper protection, enabling threat actors to disable endpoint detection and response (EDR) tools.

Notable Threat Actor Activity

Luna Moth (Silent Ransom Group): Increased callback phishing campaigns by Luna Moth targeting US legal and financial institutions, impersonating IT help desks to gain initial access.
Venom Spider: Arctic Wolf Labs identified a spear-phishing campaign by “Venom Spider” targeting hiring managers and recruiters by posing as job seekers.
Russian-Linked Hacktivism: Russian hacktivist group conducted DDoS attacks on Romanian state websites during national elections.
FSB Recruitment via TikTok: Ukrainian authorities detained an alleged FSB agent recruited via TikTok for military espionage.
Myanmar Cyber Scam Sanctions: The US sanctioned Myanmar’s Karen National Army and its leader for involvement in cyber fraud operations.

Trends, Tools, or Tactics of Interest

Stealth and Persistence: Notable rise in stealth tactics designed for long-term access and silent control, with attackers leveraging AI for adaptive, persistent threats.
Phishing-as-a-Service (PhaaS): Darcula’s large-scale SMS phishing operation underlines the growing sophistication and reach of PhaaS platforms.
EDR Evasion: Increasing use of advanced techniques, such as “Bring Your Own Installer,” to bypass endpoint security controls.
Deepfake Evolution: Research reveals deepfakes now retain biometric signals (e.g., heartbeats), presenting new challenges for detection and authentication.
Supply Chain Risks: Ongoing concerns about open-source software security, with warnings about persistent risks from tools like easyjson due to foreign influence and supply chain exposure.

Regulatory or Policy Developments

CISA KEV List Updates: Addition of Langflow and Commvault vulnerabilities to the US CISA Known Exploited Vulnerabilities catalog, increasing urgency for patching.
US Sanctions: Expansion of US sanctions targeting entities and individuals involved in cybercrime and cyber scam operations in Myanmar.
NCSC Guidance: UK’s NCSC published updated security guidance in response to recent cyberattacks on the retail sector, urging all organisations to review and strengthen their cyber defences.