Dtrack RAT is Behind Virulent ATM-Espionage Campaign

An espionage malware called Dtrack – and a related variant, ATMDtrack – has been traced back to the notorious North Korea-linked Lazarus Group APT. Both have been identified this month targeting victims in India. According to researcher Konstantin Zykov of Kaspersky, researchers first uncovered...

More U.S. Utility Firms Targeted in Evolving LookBack Spearphishing Campaign

A spearphishing campaign, first spotted in July targeting three U.S. utility companies with a new malware variant, has evolved its tactics and extended its targeting to include nearly 20 companies. The campaign was first discovered in phishing emails, sent between July 19 and 25, which targeted...

Hello! My name is Dtrack

Our investigation into the Dtrack RAT actually began with a different activity. In the late summer of 2018, we discovered ATMDtrack, a piece of banking malware targeting Indian banks. Further analysis showed that the malware was designed to be planted on the victim's ATMs, where it could read and...

IRS Emails Promise a Refund But Deliver Botnet Recruitment

U.S. taxpayers are being offered fake refunds in the latest wave of phishing emails, which ultimately deliver an payload that adds the target machine to the multifunctional Amadey botnet. Amadey is a relatively new botnet, first noted late in Q1 of 2019, according to Milo Salvia, security...

Smominru Botnet Indiscriminately Hacked Over 90,000 Computers Just Last Month

Insecure Internet-connected devices have aided different types of cybercrime for years, most common being DDoS and spam campaigns. But cybercriminals have now shifted toward a profitable scheme where botnets do not just launch DDoS or spam—they mine cryptocurrencies as well. Smominru, an infamous...

New social engineering toolkit draws inspiration from previous web campaigns

Some of the most common web threats we track have a social engineering component. Perhaps the more popular ones are those encountered via malvertising, or hacked websites that push fraudulent updates. We recently identified a website compromise with a scheme we had not seen before; it's part of a...

Threat Source newsletter (Aug. 22)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. What’s old is new again. Our research this week centers around a series of long-lasting threat actors and malware that have been given n...

UPDATE: Merlin v0.8.0

PenTestIT RSS Feed A week ago an update - Merlin v0.8.0 was released. There was a brief mention about Merlin in my post titled - List of Open Source C2 Post-Exploitation Frameworks. This new version includes several new features to increase Operations Security OPSEC and usability. One of the more...

Dangerous Cryptomining Worm Racks Up 850K Infections, Self-Destructs

A French and U.S. law-enforcement effort has neutralized 850,000 infections by a cryptomining worm known as Retadup, by causing the threat to destroy itself. The worm has been distributing the malicious XMRig cryptocurrency miner to computers running the Windows operating system, mostly in Latin...

RAT Ratatouille: Backdooring PCs with leaked RATs

By Edmund Brumaghin and Holger Unterbrink. Executive summary Orcus RAT and RevengeRAT are two of the most popular remote access trojans RATs in use across the threat landscape. Since its emergence in 2016, various adversaries used RevengeRAT to attack organizations and individuals around the worl...

Popular Malware Families Using 'Process Doppelgänging' to Evade Detection

The fileless code injection technique called Process Doppelgänging is actively being used by not just one or two but a large number of malware families in the wild, a new report shared with The Hacker News revealed. Discovered in late 2017, Process Doppelgänging is a fileless variation of Process...

Threat Roundup for June 14 to June 21

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 14 and June 21. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Canada Uses Civil Anti-Spam Law in Bid to Fine Malware Purveyors

Canadian government regulators are using the country's powerful new anti-spam law to pursue hefty fines of up to a million dollars against Canadian citizens suspected of helping to spread malicious software. In March 2019, the Canadian Radio-television and Telecommunications Commission CRTC --...

Chinese Spy Group Mixes Up Its Malware Arsenal with Brand-New Loaders

The Chinese-language cyber-espionage group known as APT10 has apparently added to its malware bag of tricks, with two never-before-seen malware loader variants used in April campaigns against government and private organizations in Southeast Asia. Also, the campaigns featured modified versions of...

I know what you did last summer, MuddyWater blending in the crowd

Introduction MuddyWater is an APT with a focus on governmental and telco targets in the Middle East Iraq, Saudi Arabia, Bahrain, Jordan, Turkey and Lebanon and also a few other countries in nearby regions Azerbaijan, Pakistan and Afghanistan. MuddyWater first surfaced in 2017 and has been active...

Who’s Behind the RevCode WebMonitor RAT?

The owner of a Swedish company behind a popular remote administration tool RAT implicated in thousands of malware attacks shares the same name as a Swedish man who pleaded guilty in 2015 to co-creating the Blackshades RAT, a similar product that was used to infect more than half a million compute...

A week in security (April 8 – 14)

Last week on Labs, we said hello to Baldr, a new stealer on the market, we wondered who is managing the security of medical management apps, discussed the different perceptions of personal information, and we looked at fake Instagram assistance apps found on Google Play that are stealing password...

Canadian Police Raid ‘Orcus RAT’ Author

Canadian police last week raided the residence of a Toronto software developer behind “Orcus RAT,” a product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. Its author maintains Orcus is a legitimate Remote Administration Tool that is...

Cybercriminals Have a Heyday with WinRAR Bug in Fresh Campaigns

A recently discovered vulnerability in the WinRAR file archival utility has been exploited in a slew of new campaigns, including one with a never-before-seen payload. The flurry of activity shows no sign of waning as cybercriminals continue to find success exploiting the bug. The campaigns take...

Threat Roundup for March 15 to March 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 15 and March 22. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...