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Active Phishing Campaign: Yousign HR Lure

A new, sophisticated active phishing campaigns focuses on malicious emails that leverage Yousign e-signature services to carry out phishing attacks. Learn more about this tactic through examples, high-level details, and associated threat indicators.
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Abusing Data to Avoid Detection: Cybercriminal Adoption of Browser Fingerprinting

Browser fingerprinting is one of many tactics phishing site authors use to evade security checks and lengthen the lifespan of malicious campaigns. While browser fingerprinting has been used by legitimate organizations to uniquely identify web browsers for nearly 15 years, it is now commonly exploited by cybercriminals. Today, it is considered widely used for phishing purposes.
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Customer Phishing Protection Couldn’t Be Easier with PhishLabs

It’s not news that cybercrime is a constant battle—large enterprises and small businesses everywhere are susceptible to a myriad of advanced email threats and socially engineered attacks, such as executive or brand impersonation. According to IC3’s Internet Crime Report, over $44 million in losses in 2021 were a direct result of malicious phishing and advanced email scams....
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Qbot Payloads Dominate Q1

Qbot payloads targeting enterprises contributed to almost three quarters of all email-based malware since the beginning of 2022. Although reported malware activity among families continues to fluctuate dramatically from quarter to quarter, QBot reports in Q1 represent the highest volume of a single malware variety over the past 12 months. Phishing lures delivering payloads...
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Despite their Simplicity, New Emotet Attacks Forecast Threatening Future

PhishLabs has recently observed attacks targeting enterprises with Emotet payloads for the first time since January, when coordinated efforts by authorities to disrupt operations led this family of threat actors to halt activity. Emotet’s primary function is providing malicious software initial access to compromised systems. It is one of the most widely distributed and well...
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Threat Evasion Techniques: Restricting by Interaction

Threat actors improve the resiliency of phishing campaigns by concealing malicious content from security teams. Avoiding detection increases an attacker’s odds of reaching more victims and achieving a more lucrative outcome. There are many types of evasion techniques that can be used individually or in tandem. In this post we discuss active evasion, restricting by interaction. ...
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Threat Evasion Techniques: Restricting By Device

Cybercriminals use evasion techniques to bypass scanning technologies and defeat human analysis in order to extend the life of phishing campaigns. There are a variety of evasion techniques and criminals often use multiple variations in tandem. In this post, we focus on active evasion, restricting non-targets by device. Restricting by Device Active evasion is any method an...
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Emotet Dismantled, Trickbot, ZLoader, and BazarLoader Step In

  Recently, we published a piece highlighting early stage loaders often used in ransomware attacks. One of the most prolific was Emotet, which has since been taken down via a coordinated, multi-national effort. How will this impact the threat landscape? In this post, we take a look at loader activity in the aftermath of the Emotet takedown.   Predominant Payloads In 2020,...
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Account Takeover Attacks Cause Chaos @ Twitter

  On Tuesday afternoon, dozens of high-profile Twitter accounts were hijacked to promote cryptocurrency scams. Threat actors took over the accounts of Elon Musk, Bill Gates, Barack Obama, Jeff Bezos, and many others. Corporate Twitter accounts were also hijacked, including those belonging to cryptocurrency companies. What does this mean for enterprises and their security teams...
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Data Leakage on Social Media: Credit Card Info, Confidential Docs

  When the term data leak comes to mind, most enterprises think of the dark web. Although compromised information can damage an organization when distributed through gated and anonymous platforms, we are seeing social channels being used to allow for a more rapid and potentially destructive outcome. These platforms have an overwhelming number of global participants, with...
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COVID-19 Phishing Update: File Sharing Services Abused to Steal Credentials

  As enterprise workforces continue to transition to remote environments, online file sharing and cloud storage tools are becoming a frequent, if not necessary means of collaboration. While abusing these types of platforms is nothing new to threat actors, the lures they use are now taking advantage of the novel coronavirus. The two examples below demonstrate how.    We are...
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Why You Should Take Social Media Account Takeover as Seriously as a BEC Attack

  Social media account compromise is nothing new. If you haven't had an account hacked in the past, most of us know someone who has. According to a study by the University of Phoenix, almost two-thirds of US adults have had at least one social media account hacked. Another report found that 53% of social media logins are fraudulent. But what's the big deal? Your account gets...
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Active Office 365 Credential Theft Phishing Campaign Targeting Admin Credentials

  PhishLabs has detected attempts to compromise Microsoft Office 365 administrator accounts as part of a broad phishing campaign. In the campaign, the threat actor(s) delivered a phishing lure that impersonated Microsoft and their Office 365 brand but came from multiple validated domains - an educational institution for example - not belonging to Microsoft. If the victim...
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Social Media Account Takeover is as Vicious as a BEC Attack

At the height of social media adoption, users willingly shared everything from the lunch they just ate to the exact places they visited throughout the day. While some of this has been reduced as consumers learned how sharing private information could impact their privacy, many people still hide these kinds of updates behind basic security controls. This is just one of the...
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Recap: How to Proactively Protect Users with Email Incident Response

This year organizations are estimated to have spent more than $124 billion on security, yet phishing attacks continue to bypass email security technology. Is it possible to proactively stop threats that would otherwise make it past your infrastructure? If you attended our most recent webinar, you know the answer is yes. Before we get into the how, our host and Director of...
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Beware of Account Takeover

  One way to verify if an email is legitimate is to look at the sender's address, the actual sender's address, not just the sender's name. One tactic cyber criminals employ is using the sender's name to trick the recipients. The cyber criminal may use a known acquaintance's name or the name of a legitimate company they are trying to spoof. This sounds sophisticated, but it is...