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OSINT: How Usernames Unlock Investigations

One piece of evidence that adds value to investigating social media threats is the threat actor’s chosen username. Usernames can hold meaning to the individual, and as a result provide useful information when expanding investigations to different social platforms. As we covered in our last OSINT post, connecting all known social media accounts to one user is a critical step in determining risk,...
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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. Restricting by...
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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 attacker uses to...
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Qbot Leads Payload Volume in Q2

In Q2, ransomware made headlines with multiple high-profile attacks and tactics. The largest infrastructure shutdown in U.S. history brought the East Coast to a halt, operators doubled up on ransomware strains, and reported attacks are on track to beat 2020, with numbers already surpassing Q1 by 38%. As ransomware continues to drive data loss and fraud for enterprises and their brands, PhishLabs...
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Threat Evasion Techniques: Restricting by Location

Evasion techniques are methods attackers deploy to extend the life of phishing campaigns. The longer a threat is active, the more opportunity it has to claim victims. Attackers have two objectives when applying evasion techniques: Defeat automated scanning technologies designed to quickly shut down or prevent attacks from going live. Increase the time, cost, and complexity required for...
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Breaking Down Phishing Site TLDs and Certificate Abuse in Q1

Cybercriminals continue to heavily abuse domains to launch phishing attacks. PhishLabs’ analysis of Q1 phishing attacks has found that: 96% used Legacy Generic (gTLD) or Country Code (ccTLD) Top-level Domains Almost 83% abused HTTPS Domain Validated (DV) Certificates were used 94.5% of the time For this analysis, PhishLabs looked at three categories of TLDs: Legacy gTLDs, ccTLDs,...
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62% of Phishing Sites Abuse Free Tools or Services

In Q1, PhishLabs analyzed hundreds of thousands of phishing attacks and found more than 62% abused legitimate no-cost tools or services. >> Access the Report In this post, we take a look at findings from our Q1 Threat Trends and Intelligence Report and review the free services that were most commonly abused to stage phishing sites. Methods of Staging Phishing Sites ...
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Credential Theft, O365 Lures Dominate Corporate Inboxes in Q1

In Q1, PhishLabs analyzed and mitigated hundreds of thousands of phishing attacks that targeted corporate users. In this post, we break down these attacks and shed light on the phishing emails that are making it into corporate inboxes. Threats Found in Corporate Inboxes Credential Theft Credential theft attacks continue to be the most prolific threats observed in corporate inboxes....
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47% Phishing Increase in Q1

Phishing is on the rise. PhishLabs identified 47% more phishing sites in Q1 of 2021 than there were in Q1 of 2020. This trend is continuing as Q2 attacks are also up significantly year-over-year. Last year, phishing spiked in late Q1 and Q2 as threat actors took advantage of pandemic-related fear and uncertainty. This year, we are seeing an even greater increase in attacks. ...
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Q1 2021 Threat Trends Intelligence Report

Phishing attacks in Q1 have increased 47% compared to last year, according to PhishLabs newly released Q1 2021 Threat Trends & Intelligence Report. The report uses data collected from hundreds of thousands of attacks analyzed and mitigated by PhishLabs in Q1 to identify top threats targeting enterprise brands, and determine emerging trends throughout the threat landscape. Key findings of the Q1...
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Top 4 Digital Brand Threats

Threat actors routinely impersonate brands as part of their attacks. Brand abuse can occur anywhere online, and impersonating a reputable company automatically gives credibility to a threat that might otherwise be instantly identified as suspicious. Because brand impersonation is so broadly used across the threat landscape, security teams need to have complete visibility into the top brand...
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What is Digital Brand Protection?

Digital brand protection is defined as comprehensive intelligence sourcing and mitigation of external threats targeting your brand. Digital brand abuse can occur anywhere online. Therefore, it is necessary to have proactive and comprehensive detection capabilities across digital channels to prevent revenue loss and reputation damage. Efficient brand protection requires more than simply...
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Ransomware Playbook: Defense in Depth Strategies to Minimize Impact

In 2020, ransomware attacks in the U.S. increased 139% year-over-year. Attacks are more strategic, demands are higher, and new tactics have emerged that leave victims experiencing the pressure to pay. Organizations that are affected by ransomware believe they are left with one of two choices: Refuse to meet ransom demands and risk the loss of data or, pay the ransom and hazard it released...
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Alien Mobile Malware Evades Detection, Increases Targets

PhishLabs is monitoring the increasing number of mobile applications targeted by the relatively new Alien Mobile Banking Trojan. Alien, a fork of Cerberus, continues to evade Google's malware detection and is targeting a broad spectrum of both financial and non-financial apps. So far, Alien has been connected with 87 new brands previously not targeted by Cerberus. Cerberus versus Alien...
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ZLoader Dominates Email Payloads in Q1

Malicious payloads delivered via email phishing continue to drive access to sensitive infrastructures and result in data compromise for enterprises. In Q1 of 2021, attack methods including malware campaigns have contributed to a 564% increase in individuals affected by a data leak, as well as a 12% increase in publicly-reported compromise. As we continue to see leaks and widespread reports of...
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Example of a Phishing Email: Breaking Down the Latest O365 Phishing Techniques

Microsoft Office 365 phish are some of the most common threats that reach end users inboxes. Over the course of a two-year period, PhishLabs has observed that O365 phish have accounted for more than half of all reported phish by enterprises - by a significant margin. Today, we are highlighting a recent O365 campaign, and breaking down the techniques used to enhance the threat actor's odds of...
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Most Phishing Attacks Use Compromised Domains and Free Hosting

To stage a phishing site, cybercriminals have several options. They can use a legitimate domain that has been compromised, they can abuse free hosting services, or they can register their own domain. Understanding the prevalence of each scenario is fundamental to detecting and mitigating these threats as early in the attack process as possible (including before they've been launched). PhishLabs...
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Surge in ZLoader Attacks Observed

PhishLabs has observed a spike in malicious emails distributing ZLoader malware. The spike is notably one of the greatest upticks for a single payload observed in a 24-hour period over the past year, and is the first significant sign that another botnet may be stepping up in the aftermath of the Emotet takedown. May 2020 - February 2021 ZLoader Activity ZLoader is one of the most frequently...
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OSINT: Mapping Threat Actor Social Media Accounts

A threatening social media post targeting an executive, employee, brand, or any other asset often has merit to it, and investigating the online accounts associated with the threat actor is imperative in the process of assessing risk. By mapping social media accounts operated by the threat actor, as well as general social media risk monitoring, you can build a more comprehensive profile of the...
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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, Emotet, Trickbot, and...