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Cyware Daily Threat Intelligence, March 13, 2025

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Daily Threat Briefing • Mar 13, 2025

A new spyware is lurking in fake apps, and it’s tied to North Korea. KoSpy, a newly discovered Android surveillance tool, is believed to be the work of APT37 and has been targeting Korean and English-speaking users. Distributed via Google Play Store and Firebase Firestore, the spyware could access a plethora of information.

Juniper routers are being turned into stealthy backdoors. The Chinese threat group UNC3886 has infiltrated older Juniper MX routers, deploying customized TinyShell backdoors to evade detection. By accessing devices via terminal servers with legitimate credentials, the attackers bypassed Junos OS security protections, allowing persistent access to compromised networks.

A widely used font library is now a security risk. Facebook has warned of a critical flaw in FreeType. The bug, caused by an out-of-bounds write, can lead to arbitrary code execution and has been exploited in attacks.

Top Malware Reported in the Last 24 Hours

Meet Elysium: New Ghost family variant

Netskope has discovered a new ransomware variant, Elysium, which is linked to the Ghost ransomware family. This group has been active since 2021 and targets critical infrastructure, healthcare, and government sectors by exploiting vulnerabilities in outdated applications. Elysium uses a multi-stage attack chain, employing tools like Cobalt Strike, BadPotato, GodPotato, Mimikatz, SharpShares, and WMI. Once the attackers gain access, they deploy the Elysium payload, which disrupts recovery efforts, terminates specific services, and attempts to stop Hyper-V virtual machines. 

APT37 debuts new spyware

A new Android surveillance tool called KoSpy has been discovered, which is believed to be the work of the North Korean APT group ScarCruft (aka APT37). The spyware has been found to target Korean and English-speaking users, using fake utility apps to infect devices. KoSpy was distributed through the Google Play Store and Firebase Firestore, with all associated apps and projects now removed or deactivated. The spyware has extensive data collection capabilities, including accessing SMS messages, call logs, device location, and more. It communicates with C2 servers, some of which are still online but do not respond to requests. 

UNC3886 targets Juniper routers

A Chinese threat group known as UNC3886 has infected various organizations' Juniper Networks routers with custom backdoors. Their attacks mainly targeted older Juniper MX routers that do not support security monitoring tools. UNC3886 initially accessed the routers through terminal servers with legitimate credentials and then infiltrated the routers' operating systems. Once inside, the attackers deployed customized versions of the TinyShell backdoor. The attackers were able to bypass security measures, specifically a feature in Junos OS designed to protect against unauthorized code. 

Top Vulnerabilities Reported in the Last 24 Hours

Facebook warns of FreeType bug

Facebook has warned about a vulnerability in the FreeType open-source font rendering library, which is used in millions of systems and services, including Linux, Android, and online platforms. The flaw, tracked as CVE-2025-27363, can lead to arbitrary code execution and has been reportedly exploited in attacks. It exists in all versions of FreeType up to 2.13 and was fixed in version 2.13.0. The vulnerability is due to an out-of-bounds write when parsing font subglyph structures related to TrueType GX and variable font files. 

Fortinet patches 18 flaws

Fortinet has released 17 new advisories for 18 vulnerabilities found in various products, including FortiOS, FortiProxy, FortiPAM, FortiSRA, FortiAnalyzer, FortiManager, FortiAnalyzer-BigData, FortiSandbox, FortiNDR, FortiWeb, FortiSIEM and FortiADC. High-severity vulnerabilities include an XSS flaw in FortiNDR (CVE-2023-48790), a code execution vulnerability in FortiOS, FortiProxy, FortiPAM, FortiSRA and FortiWeb (CVE-2024-45325), and a remote database password read issue in FortiSIEM (CVE-2023-40723). The medium-severity vulnerabilities can be exploited for code execution, command execution, arbitrary file write, and bypassing web firewall protections. A low-severity issue allowing unauthorized operations has also been patched.

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Cyware Daily Threat Intelligence, March 14, 2025

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Cyware Daily Threat Intelligence, March 12, 2025

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Cyware Daily Threat Intelligence, March 11, 2025

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Cyware Daily Threat Intelligence, March 10, 2025

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Mar 7, 2025

Cyware Daily Threat Intelligence, March 07, 2025

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Cyware Daily Threat Intelligence, March 06, 2025

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Cyware Daily Threat Intelligence, March 05, 2025

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Mar 4, 2025

Cyware Daily Threat Intelligence, March 04, 2025

In a digital masquerade, attackers are wielding trust as a weapon to breach elite targets. A highly targeted phishing campaign has struck a few UAE entities in aviation and satellite communications, deploying a new backdoor called Sosano. Using a hijacked email account from an Indian firm, the attackers sent polyglot PDFs, designed to exploit multiple formats. Your smartphone might be a gateway to more than just selfies in this lawless digital frontier. Google’s latest Android Security Bulletin confronts 44 vulnerabilities, with two actively exploited flaws in Cisco and Windows systems that could hand attackers the keys to your device. Patches are rolling out fast to help lock things down. Sometimes a simple click can unravel a digital Pandora’s box. A new ClickFix campaign is luring victims into running malicious PowerShell commands. It installs the Havoc post-exploitation framework, granting attackers remote access to the compromised device.

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Cyware Daily Threat Intelligence, March 03, 2025

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Feb 28, 2025

Cyware Daily Threat Intelligence, February 28, 2025

Stay ahead of emerging cyber threats with the latest intelligence on the Vo1d botnet infecting Android TV devices, Redox Stealer spreading via GitHub, and a critical Better Auth vulnerability. Plus, insights on Mustang Panda and Lotus Blossom espionage campaigns, Nakivo backup software flaws, and scams hijacking Google Chrome extensions and PayPal checkout. Get the latest cybersecurity updates now!

Feb 26, 2025

Cyware Daily Threat Intelligence, February 26, 2025

It took just one cleverly disguised Batch script to outmaneuver security tools for over 48 hours, slipping past defenses with ease. A new malware delivery framework is making waves with its advanced obfuscation techniques, allowing it to remain undetected for an extended period. The malware, deploying either XWorm or AsyncRAT, operates almost entirely in memory, minimizing its footprint. The irony couldn’t be greater - an advanced security training platform now carries a critical vulnerability that lets attackers turn the tables. A severe RCE flaw has been discovered in MITRE’s Caldera, an open-source tool designed for simulating cyber threats. The vulnerability affects all versions except 5.1.0+ and the latest master branch, enabling attackers to take over systems remotely. A viral video you’ll regret clicking - scammers have found a new way to bait their victims. Researchers uncovered a surge in phishing campaigns that use fake viral video links to lure users into downloading malware. The attack starts with a deceptive PDF file claiming to contain a must-watch clip, but clicking the link sends victims down a rabbit hole of fake pages, intrusive ads, and misleading download buttons.

Feb 25, 2025

Cyware Daily Threat Intelligence, February 25, 2025

Even security tools aren’t safe from exploitation. A massive malware campaign is abusing a vulnerable Windows driver from Adlice’s product suite to sneak in Gh0st RAT, with over 2,500 unique variants identified. When even protective software turns into a backdoor, no system is off-limits. Opposition activists and Ukrainian military entities are in the crosshairs. SentinelLABS uncovered a stealthy campaign using weaponized Excel documents to deliver new adaptations of PicassoLoader. This isn’t just cyber warfare, it’s an evolving espionage toolkit aimed at destabilizing governments. Oracle’s Agile Product Lifecycle Management software has a serious flaw. Now in CISA’s KEV catalog, this bug allows low-privileged attackers to execute arbitrary code, proving once again that supply chain vulnerabilities are prime real estate for cybercriminals.