New DotRunpeX Malware Delivers Multiple Malware Families via Malicious Ads

A new piece of malware dubbed dotRunpeX is being used to distribute numerous known malware families such as Agent Tesla, Ave Maria, BitRAT, FormBook, LokiBot, NetWire, Raccoon Stealer, RedLine Stealer, Remcos, Rhadamanthys, and Vidar. "DotRunpeX is a new injector written in .NET using the Process...

PureCrypter Malware Targets Government Entities in Asia-Pacific and North America

Government entities in Asia-Pacific and North America are being targeted by an unknown threat actor with an off-the-shelf malware downloader known as PureCrypter to deliver an array of information stealers and ransomware. "The PureCrypter campaign uses the domain of a compromised non-profit...

Post-Macro World Sees Rise in Microsoft OneNote Documents Delivering Malware

In a continuing sign that threat actors are adapting well to a post-macro world, it has emerged that the use of Microsoft OneNote documents to deliver malware via phishing attacks is on the rise. Some of the notable malware families that are being distributed using this method include AsyncRAT,...

Researchers Uncover Packer Used by Several Malware to Evade Detection for 6 Years

A shellcode-based packer dubbed TrickGate has been successfully operating without attracting notice for over six years, while enabling threat actors to deploy a wide range of malware such as TrickBot, Emotet, AZORult, Agent Tesla, FormBook, Cerber, Maze, and REvil over the years. "TrickGate manag...

Several Cyber Attacks Observed Leveraging IPFS Decentralized Network

A number of phishing campaigns are leveraging the decentralized InterPlanetary Filesystem IPFS network to host malware, phishing kit infrastructure, and facilitate other attacks. "Multiple malware families are currently being hosted within IPFS and retrieved during the initial stages of malware...

Cyber Criminals Using Quantum Builder Sold on Dark Web to Deliver Agent Tesla Malware

A recently discovered malware builder called Quantum Builder is being used to deliver the Agent Tesla remote access trojan RAT. "This campaign features enhancements and a shift toward LNK Windows shortcut files when compared to similar attacks in the past," Zscaler ThreatLabz researchers Niraj...

Researchers Detail OriginLogger RAT — Successor to Agent Tesla Malware

Palo Alto Networks Unit 42 has detailed the inner workings of a malware called OriginLogger, which has been touted as a successor to the widely used information stealer and remote access trojan RAT known as Agent Tesla. A .NET based keylogger and remote access, Agent Tesla has had a long-standing...

2021 Top Malware Strains

Summary Immediate Actions You Can Take Now to Protect Against Malware: • Patch all systems and prioritize patching known exploited vulnerabilities. • Enforce multifactor authentication MFA. • Secure Remote Desktop Protocol RDP and other risky services. • Make offline backups of your data. • Provi...

Ukrainian Radio Stations Hacked to Broadcast Fake News About Zelenskyy's Health

Ukrainian radio operator TAVR Media on Thursday became the latest victim of a cyberattack, resulting in the broadcast of a fake message that President Volodymyr Zelenskyy was seriously ill. "Cybercriminals spread information that the President of Ukraine, Volodymyr Zelenskyy, is allegedly in...

Researchers Detail PureCrypter Loader Cyber Criminals Using to Distribute Malware

Cybersecurity researchers have detailed the workings of a fully-featured malware loader dubbed PureCrypter that's being purchased by cyber criminals to deliver remote access trojans RATs and information stealers. "The loader is a .NET executable obfuscated with SmartAssembly and makes use of...

Interpol Nabs 3 Nigerian Scammers Behind Malware-based Attacks

Interpol on Monday announced the arrest of three suspected global scammers in Nigeria for using remote access trojans RATs such as Agent Tesla to facilitate malware-enabled cyber fraud. "The men are thought to have used the RAT to reroute financial transactions, stealing confidential online...

Nigerian Tesla: 419 scammer gone malware distributor unmasked

Agent Tesla is a well-known data stealer written in .NET that has been active since 2014 and is perhaps one of the most popular payloads observed in malspam campaigns. While looking for threats targeting Ukraine, we identified a group we call "Nigerian Tesla" that has been dabbling into phishing...

Catching the RAT called Agent Tesla

For the last few years, the Qualys Research Team has been observing an infamous "Malware-as-a-service" RAT Remote Access Trojan called Agent Tesla. It first appeared in 2014, and since then many variants have been deployed. This malware uses multiple techniques for evading detection as well as...

Living Off the Land: How to Defend Against Malicious Use of Legitimate Utilities

Living-off-the-land binaries LOLBins are no joke: Cyberattackers have been increasingly making use of them to hide their malicious work from security solutions. It’s time for threat hunters and IT security staff to familiarize themselves with how these are used in the attack chains of some of the...

Unusual ‘Donald Trump’ Packer Malware Delivers RATs, Infostealers

A new .NET malware packer being used to deliver a variety of remote access trojans RATs and infostealers has a fixed password named after Donald Trump, giving the new find its name, “DTPacker.” DTPacker was discovered by researchers at Proofpoint who, since 2020, have observed it being used by...

Agent Tesla Panel Remote Code Execution

A remote code execution vulnerability exists in Agent Tesla Panel. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system...

Agent Tesla RAT Returns in COVID-19 Vax Phish

The Agent Tesla remote access trojan RAT is scurrying around the internet again, this time arriving via a phishing campaign that uses a COVID-19 vaccination schedule as a lure. Spotted by researchers at the Bitdefender Antispam Lab, the attackers are targeting Windows machines using emails with...

Agent Tesla Trojan 'Kneecaps' Microsoft's Anti-Malware Interface

Researchers have identified new versions of the Agent Tesla remote access trojan RAT that target the Windows anti-malware interface used by security vendors to protect PCs from attacks. The newly discovered variants have also adopted new obfuscation capabilities, raising the stakes for businesses...

Agent Tesla Malware Spotted Using New Delivery & Evasion Techniques

Security researchers on Tuesday uncovered new delivery and evasion techniques adopted by Agent Tesla remote access trojan RAT to get around defense barriers and monitor its victims. Typically spread through social engineering lures, the Windows spyware not only now targets Microsoft's Antimalware...

Agent Tesla Malware Spotted Using New Delivery & Evasion Techniques

Security researchers on Tuesday uncovered new delivery and evasion techniques adopted by Agent Tesla remote access trojan RAT to get around defense barriers and monitor its victims. Typically spread through social engineering lures, the Windows spyware not only now targets Microsoft's Antimalware...