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Cyware Weekly Threat Intelligence - August 19–23

Cyware Weekly Threat Intelligence - August 19–23 - Featured Image

Weekly Threat Briefing Aug 23, 2024

The Good

With global cyber threats on the rise, over a dozen cyber authorities have endorsed new guidance to set baseline standards for logging and threat detection. This guidance aims to enhance cybersecurity monitoring, helping to prevent incidents like the SolarWinds attack. Additionally, the NCSC has introduced a Cyber Resilience Audit to assist organizations in assessing and improving their defenses against cyber threats, further strengthening overall resilience in the face of evolving risks.

  • Over a dozen global cyber authorities endorsed new guidance to establish baseline standards for logging and threat detection, addressing the rising threat from adversaries using living off the land techniques. The guidance emphasizes enhanced cybersecurity monitoring to detect critical software changes, potentially mitigating incidents like the SolarWinds attack and Colonial Pipeline hack. Released by organizations including the ACSC and the CISA, it urges logging of all control plane operations and recommends capturing administrative changes and authentication events.

  • The NCSC launched a new Cyber Resilience Audit aimed at helping organizations assess their resilience against cyber threats. This audit will provide organizations with a structured approach to evaluate their cybersecurity practices and identify areas for improvement. The initiative is part of the NCSC's ongoing efforts to enhance the UK's overall cyber resilience and support businesses in safeguarding their operations against increasing cyber risks.

  • Funding has been announced for a new cybersecurity pilot project aimed at social care providers in the North East and Yorkshire. The project, a collaboration between the North East Business Resilience Centre and NHS England, will provide free cyber services and training to help tackle cyber threats in the social care sector. The initiative is crucial in light of the high incidence of cyber security breaches reported by businesses and charities.

  • The Federal Aviation Administration (FAA) is proposing updates to its cybersecurity standards for future airplanes and critical equipment, in response to the increasing connectivity of flight equipment to data networks. The proposed regulations would require design approval applicants to conduct security risk analyses and mitigate any identified vulnerabilities. The FAA aims to standardize criteria for addressing cybersecurity threats while reducing certification costs and time. The FAA is seeking public comment on the new rule until October 21.

The Bad

A wave of sophisticated cyber campaigns emerged, each with its own unique methods of targeting victims. ESET researchers uncovered an Android malware, NGate, used in a criminal scheme against Czech bank clients to clone payment cards and facilitate unauthorized withdrawals. Meanwhile, a pro-Russian group is spreading malware under the guise of false information about Ukraine, deploying tools like Spectr spyware and Firmachagent. Additionally, North Korea's Lazarus group has evolved its BeaverTail malware to target job seekers, expanding to both macOS and Windows platforms to steal sensitive information.

  • ESET researchers discovered a sophisticated criminal campaign that targeted clients of Czech banks, using a unique Android malware called NGate. The malware relays data from victims' payment cards to the attacker's device, allowing them to clone the card and make unauthorized ATM withdrawals. The attackers initially used phishing and malicious apps to steal banking credentials before deploying NGate. The malware prompts victims to input sensitive information and enable NFC on their devices, subsequently relaying the NFC data to the attacker.
  • A pro-Russian hacker group called Vermin is using fake information about Ukraine's offensive in Kursk to spread malware. The hackers are believed to be linked to the Luhansk People’s Republic and are suspected of acting on behalf of the Kremlin. CERT-UA reported that the group has deployed two types of malware, including Spectr spyware and a new strain called Firmachagent. Spectr can capture screenshots of a victim's screen every 10 seconds, copy files with specific extensions, and extract data from messengers and web browsers. The stolen data is then uploaded to the hackers' server using Firmachagent malware.
  • The BeaverTail malware campaign, originating from North Korea, has evolved to target job seekers and now includes a native macOS version disguised as legitimate software. The malware is designed to steal confidential information, including browser data and cryptocurrency wallets, and has expanded its reach to Windows users through weaponized games. The Lazarus group has shown adaptability by developing different versions of BeaverTail for various operating systems and using sophisticated techniques to target victims.
  • Malicious actors are using a cloud attack tool called Xeon Sender to carry out SMS phishing and spam campaigns on a large scale using legitimate services. The tool exploits valid credentials for various SaaS providers to send messages. Some of the services utilized include Amazon SNS, Nexmo, Twilio, and more. The tool is distributed via Telegram and hacking forums, with the most recent version attributed to a Telegram channel named Orion Toolxhub. The tool allows users to conduct bulk SMS spam attacks through the command-line interface, utilizing backend APIs of service providers.
  • The Qilin ransomware group targeted a network's endpoints, stealing credentials stored in Google Chrome browsers. They gained access through compromised credentials and used a logon GPO to execute scripts that harvested credentials on user devices. The stolen credentials were exfiltrated, event logs were cleared, and files were encrypted with a ransom note left behind. The attack exploited the widespread use of Chrome and required defenders to change all Active Directory passwords.

New Threats

A trio of evolving cyber threats highlights the ever-changing landscape of digital security. A new macOS malware, Cthulhu Stealer, has emerged, posing as legitimate software to steal sensitive information like cryptocurrency wallets and game account details. Meanwhile, Cisco Talos has uncovered a North Korean-developed RAT, MoonPeak, which is rapidly evolving to avoid detection. In parallel, Google has patched a critical zero-day vulnerability in Chrome, addressing a high-severity flaw that was actively being exploited by attackers.

  • Researchers observed the emergence of a new threat called Cthulhu Stealer. This malware targets macOS users by disguising itself as legitimate software, prompting users to enter their passwords and MetaMask credentials, and then stealing sensitive information such as cryptocurrency wallets and game account details. The functionality of Cthulhu Stealer is similar to another macOS malware called Atomic Stealer, indicating that the code may have been modified from the latter.
  • Cisco Talos identified a new RAT family called MoonPeak, which is based on the XenoRAT malware and is actively being developed by a North Korean threat actor known as UAT-5394. The MoonPeak malware has been evolving gradually, with each new variant introducing changes to make detection more difficult and prevent unauthorized connections to the C2 server. The threat actors have made modifications to the source code of XenoRAT, upon which MoonPeak is based, to ensure compatibility with their infrastructure and prevent rogue implants from connecting.
  • Google patched a new zero-day vulnerability (CVE-2024-7971) in Chrome, which was being exploited by attackers. The vulnerability is a high-severity issue caused by a type confusion weakness in the V8 JavaScript engine used by Chrome and other Chromium-based browsers. This type confusion can lead to out-of-bounds memory access in languages like C and C++. Google has released a fix in Chrome version 128.0.6613.84/.85 for Windows and Mac, and 128.0.6613.84 for Linux.
  • Symantec's Threat Hunter Team revealed a new stealthy backdoor called Msupedge that was recently used in a cyberattack against a university in Taiwan. The backdoor exploits a critical flaw in PHP (CVE-2024-4577) to achieve remote code execution (RCE). Msupedge is a dynamic-link library installed in specific paths on the system. It uses DNS tunneling for communication with the C&C server, receiving commands via DNS traffic. The backdoor supports various commands such as creating a process, downloading files, sleeping for a set time, and creating temporary files with unknown purposes.
  • Mandiant warned of a new threat known as "WireServing" enabling attackers to launch TLP bootstrap attacks against Azure Kubernetes Services (AKS). By exploiting weaknesses in how AKS clusters handled TLS bootstrap tokens, attackers could download configuration files containing credentials to escalate privileges and access sensitive information. Microsoft promptly addressed the issue by updating AKS clusters to prevent unauthorized access to TLS bootstrap tokens.
  • Threat actors are using a new malware called UULoader to distribute remote access tools like Gh0st RAT and Mimikatz. The malware is distributed through malicious software installers targeting Korean and Chinese speakers and is believed to be the work of a Chinese speaker. Additionally, phishing attacks are targeting cryptocurrency users using fake government entities to collect sensitive information.
  • The GiveWP plugin for WordPress recently addressed a critical security flaw involving PHP Object Injection that could lead to RCE. The vulnerability, tracked as CVE-2024-5932, affects all versions up to 3.14.1. Exploiting this flaw could allow unauthorized users to execute arbitrary code and delete files on affected sites. The severity of the exploit led to a CVSS score of 10.0. Technical details reveal that the flaw stems from inadequate validation of user-provided data during donation processing, leading to the injection of malicious PHP objects.

Related Threat Briefings

Dec 20, 2024

Cyware Weekly Threat Intelligence, December 16–20, 2024

In a digital age where borders are blurred, governments are sharpening their strategies to outpace cyber adversaries. The draft update to the National Cyber Incident Response Plan (NCIRP) introduces a comprehensive framework for managing nationwide cyberattacks that impact critical infrastructure and the economy. Meanwhile, the fiscal year 2025 defense policy bill, recently approved by the Senate, emphasizes strengthening cybersecurity measures both at home and abroad. A deceptive health app on the Amazon Appstore turned out to be a Trojan horse for spyware. Masquerading as BMI CalculationVsn, the app recorded device screens, intercepted SMS messages, and scanned for installed apps to steal sensitive data. Malicious extensions targeting developers and cryptocurrency projects have infiltrated the VSCode marketplace and NPM. Disguised as productivity tools, these extensions employed downloader functionality to deliver obfuscated PowerShell payloads. The BADBOX botnet has resurfaced, compromising over 192,000 Android devices, including high-end smartphones and smart TVs, directly from the supply chain. Industrial control systems are facing heightened risks as malware like Ramnit and Chaya_003 targets engineering workstations from Mitsubishi and Siemens. Both malware families exploit legitimate services, complicating detection and mitigation efforts in ICS environments. The Chinese hacking group Winnti has been leveraging a PHP backdoor called Glutton, targeting organizations in China and the U.S. This modular ELF-based malware facilitates tailored attacks across industries and even embeds itself into software packages to compromise other cybercriminals. A tax-themed phishing campaign, dubbed FLUX#CONSOLE, is deploying backdoor payloads to compromise systems in Pakistan. Threat actors employ phishing emails with double-extension files masquerading as PDFs.

Dec 13, 2024

Cyware Weekly Threat Intelligence, December 09–13, 2024

Cybercrime’s web of deception unraveled in South Korea as authorities dismantled a fraud network responsible for extorting $6.3 million through fake online trading platforms. Dubbed Operation Midas, the effort led to the arrest of 32 individuals and the seizure of 20 servers. In a significant move to combat surveillance abuses, the U.S. defense policy bill for 2025 introduced measures to shield military and diplomatic personnel from commercial spyware threats. The legislation calls for stringent cybersecurity standards, a review of spyware incidents, and regular reporting to Congress. The subtle art of deception found a new stage with a Microsoft Teams call, as attackers used social engineering to manipulate victims into granting remote access. By convincing users to install AnyDesk, they gained control of systems, executing commands to download the DarkGate malware. Russian APT Secret Blizzard has resurfaced and used the Amadey bot to infiltrate Ukrainian military devices and deploy their Tavdig backdoor. In a phishing spree dubbed "Aggressive Inventory Zombies (AIZ)," scammers impersonated brands like Etsy, Amazon, and Binance to target retail and crypto audiences. Surveillance has reached unsettling new depths with the discovery of BoneSpy and PlainGnome, two spyware families linked to the Russian group Gamaredon. Designed for extensive espionage, these Android malware tools track GPS, capture audio, and harvest data. A new Android banking trojan has already caused havoc among Indian users, masquerading as utility and banking apps to steal sensitive financial information. With 419 devices compromised, the malware intercepts SMS messages, exfiltrates personal data via Supabase, and even tricks victims into entering details under the pretense of bill payment. Iranian threat actors have set their sights on critical infrastructure, deploying IOCONTROL malware to infiltrate IoT and OT/SCADA systems in Israel and the U.S.

Dec 6, 2024

Cyware Weekly Threat Intelligence, December 02–06, 2024

NIST sharpened the tools for organizations to measure their cybersecurity readiness, addressing both technical and leadership challenges. The two-volume guidance blends data-driven assessments with managerial insights, emphasizing the critical role of leadership in applying findings. The Manson Market, a notorious hub for phishing networks, fell in a sweeping Europol-led takedown. With over 50 servers seized and 200TB of stolen data recovered, the operation spanned multiple countries, including Germany and Austria. Russian APT group BlueAlpha leveraged Cloudflare Tunnels to cloak its GammaDrop malware campaign from prying eyes. The group deployed HTML smuggling and DNS fast-fluxing to bypass detection, targeting Ukrainian organizations with precision. Earth Minotaur intensified its surveillance operations against Tibetan and Uyghur communities through the MOONSHINE exploit kit. The kit, now updated with newer exploits, enables the installation of the DarkNimbus backdoor on Android and Windows devices. Cloudflare Pages became an unwitting ally in the sharp rise of phishing campaigns, with a staggering 198% increase in abuse cases. Cybercriminals exploited the platform's infrastructure to host malicious pages, fueling a surge from 460 incidents in 2023 to over 1,370 by October 2024. DroidBot has quietly infiltrated over 77 cryptocurrency exchanges and banking apps, building a web of theft across Europe. Active since June 2024, this Android malware operates as a MaaS platform, enabling affiliates to tailor attacks. Rockstar 2FA, a phishing platform targeting Microsoft 365 users, has set the stage for large-scale credential theft. With over 5,000 phishing domains launched, the platform is marketed on Telegram. The Gafgyt malware is shifting gears, targeting exposed Docker Remote API servers through legitimate Docker images, creating botnets capable of launching DDoS attacks.