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Cyware Daily Threat Intelligence

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Daily Threat Briefing • Jun 23, 2020

Ransomware has become the number one security risk to businesses and users. The past 24 hours witnessed several attacks from Nefilim, CLOP, and Hackbit ransomware. While the Nefilim ransomware was found leveraging vulnerable Citrix servers to launch attacks against organizations in New Zealand, the CLOP ransomware invaded a financial firm, IndiaBulls Group, stealing several documents related to its Pharmaceuticals and Housing Finance Limited subsidiaries.

Meanwhile, Hackbit ransomware has been found targeting mid-level executives across Austria, Switzerland, and Germany. The malware is distributed via malicious Excel attachments delivered via the popular email provider GMX.

Top Breaches Reported in the Last 24 Hours

Twitter discloses a security breach

Twitter has disclosed a security incident that incorrectly stored the billing information for its advertisers in the browser’s cache. The bug would have also allowed other users on the computer to view this data. The information incorrectly stored in the browser cache includes email addresses, phone numbers, last four digits of credit cards and billing addresses.

80,000 printers exposed online

In a new study, researchers have found that around 80,000 printers are exposed online via the IPP port on a daily basis. This indicates that attackers can collect printers’ names, locations, models, and even organization names just scanning the IPP port.

Indiabulls Group hit

Indiabulls Group has been hit by CLOP ransomware. To claim their attack, the attackers have posted screenshots of files stolen from the firm. The leaked documents include a voucher, a letter, and four spreadsheets related to the Indiabulls Pharmaceuticals and Indiabulls Housing Finance Limited subsidiaries.

Top Malware Reported in the Last 24 Hours

Hackbit ransomware

A ransomware strain, dubbed Hackbit, has been found targeting mid-level executives across Austria, Switzerland, and Germany. The malware is distributed via malicious Excel attachments delivered via the popular email provider GMX. The attachments purport to be related to false billing and tax repayment.

New variants of botnets

Security researchers have detected new variants of XORDDoS and Kaiji botnets targeting exposed Docker servers. For this, the attackers are actively scanning Docker servers that are exposed through port 2375. These new variants are capable of launching DDoS attacks on compromised devices.

Ryuk ransomware deployed

Activity logs on a server used by TrickBot show that the Cobalt Strike actors are conducting reconnaissance by deploying Ryuk ransomware on compromised networks. This allows them to take complete control of the network and get access to as many hosts as possible.

Cobalt Strike campaign

Researchers have observed a malware campaign that uses military-themed malicious Microsoft Office documents to spread Cobalt Strike beacons containing full-fledged RAT capabilities. The campaign targets military and government organizations in South Asia.

Nefilim ransomware

New Zealand CERT has issued a warning that Nefilim ransomware operators are targeting poorly-secured Citrix servers to launch attacks against organizations. Once an attacker gains a foothold through the remote access system, they then use tools such as Mimikatz, PsExec and Cobalt Strike to elevate privileges.

Top Vulnerabilities Reported in the Last 24 Hours

Vulnerable Buffalo router

A firmware vulnerability found in a Buffalo router (v2.46) can allow attackers to take control of the device. Hackers can also take advantage of the vulnerability to infiltrate data from businesses’ networks.

XSS flaw in OSIsoft PI System

A cross-site scripting (XSS) flaw in OSIsoft PI System can be exploited for phishing, privilege escalation, and other purposes. The flaw, tracked as CVE-2020-12021, resides in the PI Web API 2019 component of PI System.

Mitsubishi patches flaws

Mitsubishi Electric and its subsidiary ICONICS have released patches for five vulnerabilities that could allow attackers to execute arbitrary code and launch denial of service (DoS) attacks. These flaws can be exploited by sending specially crafted packets to the targeted system. One vulnerability can allow attackers to execute arbitrary SQL commands.

Top Scams Reported in the Last 24 Hours

Bitcoin giveaway scams

Scammers have managed to make over $2 million in bitcoin over the past two months by impersonating Elon Musk and his company Tesla. In order to make it convincing, the threat actors incorporated a custom element into the Bitcoin vanity addresses and asked people to send a small sum in return of a big amount. Most of these scams are conducted by mimicking the YouTube channels associated with SpaceX and Tesla.

Related Threat Briefings

Feb 12, 2025

Cyware Daily Threat Intelligence, February 12, 2025

Pirated software isn’t just a bargain, it’s a backdoor. Russian hackers are using fake KMS activators and bogus Windows updates to slip malware onto unsuspecting systems in Ukraine. By disguising malware as KMS activators and bogus updates, they deploy DarkCrystal RAT, turning routine software installations into a Trojan horse for cyber-espionage. Microsoft’s February Patch Tuesday is here. This month’s update tackles 55 security flaws, including four zero-days - two of which are actively exploited. Among the most critical fixes are three RCE vulnerabilities, reinforcing why timely patching isn’t just recommended, it’s essential. Romance scams aren’t new, but cybercriminals are getting bolder just in time for Valentine’s Day. A phishing campaign disguised as a Valentine basket giveaway has been circulating, tricking victims into handing over personal data. Researchers found tens of thousands of newly registered Valentine-themed websites in January alone, with 1 in 72 flagged as malicious.

Feb 11, 2025

Cyware Daily Threat Intelligence, February 11, 2025

Hackers are widening their attack surface, and Linux is now in their crosshairs. A new variant of the SystemBC RAT has emerged, stealthily infiltrating Linux environments. Given its history of pairing with ransomware, this development signals a growing threat to corporate systems and cloud infrastructures. Physical access shouldn’t mean instant compromise, but for iPhones and iPads, it briefly did. Apple has rushed to patch a flaw that allowed attackers to disable USB Restricted Mode on locked devices. Designed to prevent unauthorized access, this feature was rendered useless by the vulnerability. Thousands of firewalls meant to protect businesses are instead exposing them to serious risks. Over 12,000 GFI KerioControl firewalls remain unpatched against a critical remote code execution flaw. Despite a fix being available since December, many instances are still vulnerable.

Feb 10, 2025

Cyware Daily Threat Intelligence, February 10, 2025

Cybercriminals are finding new ways to poison the AI supply chain. Researchers uncovered two malicious ML models on Hugging Face, where attackers used corrupted pickle files to smuggle Python malware. This novel technique, dubbed nullifAI, aimed to bypass security scans and establish a backdoor. In another case of SEO manipulation, threat actors hijacked IIS servers in Asia, injecting BadIIS malware to manipulate search results and drive unsuspecting users to illegal gambling sites. Government and university servers in Asian countries were among those exploited. Researchers linked the campaign to DragonRank, a Chinese-speaking group. Patching delays could turn into a disaster. CISA warned that a vulnerability in Trimble Cityworks GIS software is being actively exploited for remote code execution. Even though patches were released, attackers continued taking advantage of unpatched systems, prompting its urgent addition to the KEV catalog.

Feb 7, 2025

Cyware Daily Threat Intelligence, February 07, 2025

North Korean hackers are refining their phishing playbook, now using the forceCopy malware to hijack credentials. The Kimsuky hacking group is targeting victims with deceptive emails containing Windows shortcut files disguised as Microsoft Office or PDF documents. The attack also involves the usage of additional malware. CISA has added critical vulnerabilities to its KEV catalog, signaling an urgent need for patching. The list includes flaws in Microsoft Outlook and Sophos XG Firewall, both carrying a CVSS score of 9.8. Federal agencies have until February 27 to patch these. A long-standing Chinese cyber-espionage group, GreenSpot APT, is running a phishing campaign that preys on users of the popular Chinese email service 163[.]com. The group, which has been active since 2007, has registered fake domains to steal login credentials from government and military personnel

Feb 6, 2025

Cyware Daily Threat Intelligence, February 06, 2025

Cybercriminals are getting more sophisticated, turning search engines into traps. A fake Google ad for Cisco AnyConnect led unsuspecting users to a counterfeit website, mimicking a German university to evade security filters. The fraudulent site redirected victims to a spoofed Cisco download page, pushing NetSupport RAT as the legitimate AnyConnect installer. Russian organizations are under fire as attackers distribute NOVA stealer, a new variant of SnakeLogger, through phishing emails. Advertised on underground forums as MaaS for as little as $50 per month, NOVA is designed for credential theft, keylogging, and clipboard data extraction. Cisco has patched two critical vulnerabilities in its Identity Services Engine, which could allow remote attackers to execute commands and manipulate system configurations. Exploited through specially crafted API requests, these flaws pose significant risks for enterprises using ISE for authentication and network control.

Feb 5, 2025

Cyware Daily Threat Intelligence, February 05, 2025

North Korean hackers are turning fake job interviews into a gateway for cyber espionage. SentinelOne identified new variants of the macOS malware FlexibleFerret, used in the Contagious Interview operation to lure targets with fake job interviews. Victims are tricked into downloading malicious software disguised as virtual meeting tools, allowing attackers to gain control over their systems. Cyberespionage groups are shifting their sights to the backbone of enterprise networks. A newly discovered malware, linked to the DaggerFly APT group, is targeting Linux-based network devices instead of standard endpoints. By hijacking SSH connections and replacing system binaries, the malware ensures long-term persistence while silently extracting sensitive data. A security flaw in AMD processors has raised concerns over hardware-based attacks. This bug could allow attackers with admin access to load malicious microcode, potentially undermining system integrity. This exploit underscores the growing risks of hardware security gaps, where even minor weaknesses can have major consequences.

Feb 4, 2025

Cyware Daily Threat Intelligence, February 04, 2025

Cybercriminals are finding new ways to weaponize everyday tools, and this time, they’re using TryCloudflare to hide their tracks. Researchers uncovered a phishing campaign that stealthily delivers AsyncRAT via Python scripting and cloud tunnels. The attack starts with a Dropbox link leading to a maze of scripts that ultimately drop a harmful payload. Even AI developers aren’t safe from deception. Threat actors have infiltrated PyPI with two malicious packages disguised as legitimate tools for DeepSeek. These fraudulent packages steal sensitive data, from user credentials to API keys, proving once again that trust in open-source repositories can be a double-edged sword. One small vulnerability, one massive risk. Russian cybercriminals exploited a zero-day in 7-Zip to deliver SmokeLoader in attacks on Ukrainian entities. By bypassing Windows Mark-of-the-Web protections, the attackers tricked victims into executing malware-laden files.

Feb 3, 2025

Cyware Daily Threat Intelligence, February 03, 2025

Cybercriminals are exploiting trust and social engineering at scale, preying on unsuspecting victims across industries. The Russian-speaking cybercrime gang Crazy Evil has been linked to over 10 social media scams, tricking users into installing malware like StealC and AMOS. Operating primarily through Telegram, the group specializes in identity fraud, cryptocurrency theft, and info-stealers. A wedding invitation should bring good news, not malware. Hackers in Malaysia and Brunei are targeting users with fake wedding invites spread via WhatsApp and Telegram, tricking them into installing a new Android malware called Tria. The campaign resembles UdangaSteal but focuses on new social engineering tactics. Even the tightest security can come undone with a race condition. Apple patched a critical vulnerability in macOS Sonoma, Sequoia, and iPadOS, which allowed hackers to escalate privileges and run code at the kernel level. Apple fixed the issue by improving memory management, but this serves as another reminder that even the most secure systems need constant vigilance.

Jan 31, 2025

Cyware Daily Threat Intelligence, January 31, 2025

Cybercriminals are sharpening their tactics, and Brazilian financial firms are the latest target. The Coyote banking trojan is on the prowl, using malicious Windows LNK files to execute PowerShell scripts that steal data and compromise systems. Meanwhile, a new browser-based threat is emerging—syncjacking. This attack exploits malicious extensions to hijack browsers, disable security settings, and access stored credentials. In its final stage, attackers gain full control of devices, including cameras and audio, without detection. Speaking of hidden threats, users of Microsoft Ads are being tricked by fraudulent Google ads leading to phishing pages designed to steal their login credentials. This campaign has persisted for two years, slipping past security filters and mimicking Microsoft’s login process with deceptive precision. For detailed Cyber Threat Intel, click ‘Read More’.

Jan 29, 2025

Cyware Daily Threat Intelligence, January 29, 2025

Cybercriminals are refining their tactics, blending deception with persistence to breach defenses. A financially motivated threat actor has been running a phishing email campaign since last year, targeting users in Poland and Germany. The attacks use payloads like Agent Tesla, Snake Keylogger, and a new backdoor named TorNet. Zyxel CPE Series devices are under siege as researchers uncover an actively exploited zero-day vulnerability. This flaw allows attackers to execute remote commands, potentially leading to system takeovers, data loss, and network intrusions. The attacks, originating primarily from Taiwan, have compromised over 1,500 devices, sparking urgent calls for users to apply security updates. Phishing scams continue to evolve, with a new campaign exploiting PDF documents to steal Amazon Prime credentials. Victims receive emails warning of an expired membership, leading them to a fake Amazon login page where they unknowingly hand over personal and credit card information.

Jan 28, 2025

Cyware Daily Threat Intelligence, January 28, 2025

Even the sleekest systems have their cracks. Apple has patched a critical CoreMedia vulnerability that hackers have already exploited to target devices. The flaw, which impacts how audio and video are processed, had been actively used against earlier versions of iOS prior to iOS 17.2. Apple’s fix is now available for iPhones XS and later, select iPads, and the company’s latest hardware. Security shouldn’t feel like Swiss cheese. Yet, SonicWall’s SMA1000 appliances are under siege, with attackers exploiting a critical vulnerability to install malware without requiring credentials. Despite a patch being available, over 5,000 devices remain exposed, allowing hackers to hijack SSL VPN sessions remotely. Think twice before clicking on that delivery notification. Phishers posing as USPS are sending fraudulent SMS messages claiming a package couldn’t be delivered due to “incomplete address information.” With over 630 phishing pages spanning 50 countries, the campaign targets unsuspecting individuals at an alarming scale. In today’s digital landscape, not all deliveries are worth opening - especially the fraudulent ones.

Jan 27, 2025

Cyware Daily Threat Intelligence, January 27, 2025

Once again proving there’s no honor among thieves, hackers were found preying on script kiddies via a trojanized XWorm RAT builder, compromising over 18,000 devices globally. The fake builder allowed operators to steal data and issue commands through a Telegram-based C2. LTE and 5G networks face a critical challenge as researchers uncover 119 vulnerabilities that could disrupt services or breach core networks. These flaws, linked to buffer overflows and memory corruption, leave mobile users exposed to potential monitoring and targeted attacks. A deceptive malware campaign leverages fake CAPTCHA pages and clipboard hijacking to spread Lumma Stealer across industries in multiple regions. The malware uses advanced evasion tactics to outmaneuver security defenses while stealing sensitive data.