Security Affairs

APRIL 7, 2022

Recently discovered malware loader Colibri leverages a trivial and efficient persistence mechanism to deploy Windows Vidar data stealer. dot containing a malicious macro. This is what we believe is a new persistence technique employed by the malware author.” SecurityAffairs – hacking, malware).

Malware 85

Malware Advertising Hacking Cybersecurity 85

Malwarebytes

APRIL 1, 2022

This blog post was authored by Ankur Saini, Roberto Santos and Hossein Jazi. Unlike previous attacks that were trying to convince victims to open a url and download a first stage payload or distributing fake translation software, in this campaign the threat actor is using a spear phishing attack that contains macro-embedded Excel documents.

Encryption 118

Encryption Phishing Malware Government 118

The Last Watchdog

APRIL 11, 2022

Yet, at the macro level, we don’t stop known malware, known malicious behaviors, remedy commodity tools that are used maliciously, or patch known actively exploited vulnerabilities immediately. At the macro level, password hygiene is abysmal. Behaviors change and tools change, but the methodology remains the same.

Ransomware 235

Ransomware Social Engineering Passwords Engineering 235

Malwarebytes

APRIL 5, 2022

This blog post was authored by Ankur Saini, with contributions from Hossein Jazi and Jérôme Segura. dot that contacts a malicious macro. The macro enables PowerShell to download the final payload (Colibri Loader) as setup.exe: Private Sub Document_Open() zgotwed = "C:UsersPublicsetup.ex`e" connection/setup.e`xe Conclusion.

Malware 105

Malware Advertising 105

Krebs on Security

DECEMBER 14, 2022

Six of the update bundles earned Microsoft’s most dire “critical” rating, meaning they fix vulnerabilities that malware or malcontents can use to remotely commandeer an unpatched Windows system — with little to no interaction on the part of the user.

Social Engineering 193

Social Engineering Ransomware Software Engineering 193

CyberSecurity Insiders

MARCH 21, 2021

In what is known to our Cybersecurity Insiders, Acer’s domain servers were targeted by the group spreading REvil file encrypting malware to hackers and the malware is said to have hit the company on or before March 14th, 2021.

Ransomware 80

Ransomware Banking Encryption Threat Detection 80

Malwarebytes

MAY 10, 2022

In this blog post, we describe the attack flow and share details about the Saitama backdoor. The Excel attachment contains a macro that performs malicious activities. The document has an image that tries to convince the victim to enable a macro. The macro has been executed on WorkBook_Open(). Malicious email file.

Government 140

Government DNS Telecommunications Accountability 140

Security Boulevard

JUNE 2, 2022

If legitimate software provided by your organization is tampered with—such as malware being added—and then signed with your organization’s legitimate code signing keys, your organization may experience a liability situation from your customers who are the ones who will suffer from that malware attack. Alexa Hernandez. Code Signing.

Software 52

Software Malware Backups Marketing 52

Malwarebytes

AUGUST 20, 2021

This blog post was authored by Hossein Jazi. We discovered two documents written in Russian language and weaponized with the same malicious macro. We discovered two documents written in Russian language and weaponized with the same malicious macro. Figure 3: Macro. Attack overview. Figure 1: Overall Process. Install.bat.

Malware 142

Malware Encryption Phishing Authentication 142

Security Affairs

FEBRUARY 7, 2019

Also in this variant, Ursnif uses weaponized office document with a VBA macro embedded that act as a dropper and multi-stage highly obfuscated Powershell sc ripts in order to hide the real payload. Ursnif macro-weaponized document. If the result corresponds to Italy (code 39 ), the macro executes the next command using Shell function.

Banking 89

Banking Malware Advertising Encryption 89

Cisco Security

MARCH 28, 2022

Emotet (also known as Geodo and Heodo) is a banking trojan, but it is also a modular malware that can be used to download other malware as Trickbot and IcedID [8, 9, 13]. This means that Emotet can act as banking trojan, but also has been observed to drop additional malware in the infected systems [1]. Modular banking trojan.

Banking 114

Banking Malware Ransomware Phishing 114

NopSec

MAY 4, 2022

To manage what feels like chaos requires breaking down the dangers in categories and managing accordingly. What are Vulnerabilities? What are Risks? Risks are external, the speculative subject of the question, “What’s out there that is unknown but might cause us harm?” We’ll look at that in detail in our next blog.

Risk 52

Risk Marketing Cyber Risk CISO 52

The Last Watchdog

APRIL 28, 2020

What people will eventually come to realize, the sooner the better, is that we will need to flatten the X factor represented by cybercrime. What form is this cyber badness taking? Clicking on the file activates a macro, which very stealthily leverages Microsoft Windows PowerShell tool to embed the malware.

Social Engineering 174

Social Engineering Cyber Attacks Scams Engineering 174

SecureList

APRIL 12, 2023

In this blog, we’ll focus on an active cluster that we dubbed DeathNote because the malware responsible for downloading additional payloads is named Dn.dll or Dn64.dll. While monitoring the actor’s activities, we noticed that in one particular case they were using a significantly modified piece of malware.

Malware 125

Malware Cryptocurrency Software Encryption 125

Security Boulevard

JANUARY 17, 2024

This blog post describes methods that SpecterOps consultants have researched to successfully circumvent this technology during offensive assessments. What is RBI and Why Use It? Well, my friend, RBI has many more implications than what the vendors provide at face value. In this function, it does an excellent job.

DNS 64

DNS Penetration Testing Passwords Encryption 64

Security Affairs

JANUARY 31, 2019

Cyber security expert Marco Ramilli, founder of Yoroi ,discovered a way to spread CSV malware via Google Sheets … but Big G says it is an Intended behavior. CSV file could be a malware carrier and if interpreted by Microsoft Excel it could become a malware executor ! Spreading CSV Malware over Google Sheets.

Malware 96

Malware Advertising Technology Hacking 96

Security Boulevard

FEBRUARY 23, 2021

In Jan 2021, Zscaler ThreatLabZ discovered new instances of the MINEBRIDGE remote-access Trojan (RAT) embedded in macro-based Word document files crafted to look like valid job resumes (CVs). Such lures are used as social engineering schemes by threat actors; in this case, the malware was targeted at security researchers.

Social Engineering 64

Social Engineering Engineering Passwords Malware 64

Webroot

FEBRUARY 11, 2021

As we mentioned in a previous blog , hackers come in many forms, but their methods can generally be classified into three distinct types of cybercriminals: The Impersonator – Hackers that pretend to be others, often using social engineering and human psychology to trick users. What Does the Opportunist Want?

Scams 108

Scams Phishing Firewall Social Engineering 108

SecureList

DECEMBER 27, 2022

We continue to track the group’s activities and this October we observed the adoption of new malware strains in its arsenal. However, it has recently started to adopt new methods of malware delivery. In addition, the group tested different file types to refine malware delivery methods. Post-exploitation.

Malware 131

Malware Banking Passwords Antivirus 131

CyberSecurity Insiders

NOVEMBER 29, 2021

This blog was written by an independent guest blogger. To that end, the following guide will explore how cybercriminals breach companies through employee inboxes and what you can do to prevent it. What is email fatigue? Surprisingly, not much has changed, and email is still a popular way to send malware.

Phishing 124

Phishing Healthcare Data breaches Cyber Attacks 124

Security Boulevard

JULY 12, 2022

Active since 2008, Qakbot, also known as QBot, QuackBot and Pinkslipbot, is a common trojan malware designed to steal passwords. Zscaler Threatlabz has discovered a significant uptick in the spread of Qakbot malware over the past six months using several new techniques. The screenshot in Fig. Calculation-Letter-1179175942-Jan-25.xlsb.

Malware 98

Malware Antivirus Banking Passwords 98

Security Affairs

NOVEMBER 16, 2018

Marco Ramilli, founder and CEO at cyber security firm Yoroi has explained how to use Microsoft Powerpoint as Malware Dropper. Nowadays Microsoft office documents are often used to propagate Malware acting like dynamic droppers. The final payload looks like AzoRult Malware. Security Affairs – Microsoft Powerpoint, malware).

Malware 99

Malware Computers and Electronics Penetration Testing Advertising 99

Security Boulevard

APRIL 26, 2022

Some details about this campaign were published in this Korean blog, however they did not perform the threat attribution. In this blog, we will share the technical details of the attack chains, and will explain how we correlated this threat actor to Lazarus. In this email, a macro-based document was sent to the victim.

Phishing 52

Phishing DNS Cryptocurrency Accountability 52

SC Magazine

MAY 5, 2021

In a blog post this week, Cofense reported that actors using the BazarBackdoor malware have been experimenting with roundabout ways of getting users to self-infect. “They know that companies are better protected against malware and have better threat intel capabilities, but that the human link is still a weak link.

Phishing 65

Phishing Scams Malware Social Engineering 65

BH Consulting

AUGUST 9, 2022

Microsoft’s extensive blog has more details. The Register said the move is aimed at shutting down popular attack vectors for many cybercriminals to infiltrate systems, pilfer data and install malware. Lastly, Microsoft has also started blocking Office macros by default again. Get schooled in cybersecurity while you work.

Cybercrime 52

Cybercrime Accountability Phishing Authentication 52

Security Boulevard

AUGUST 26, 2021

Global organizations are being overrun by a flood of malware, phishing, and ransomware attacks and compromised credentials. What Is RBAC? In addition to these macro-level benefits, RBAC provides organizational and employee advantages: Organizational Benefits. The post IAM 101 Series: What Is RBAC? Great user experiences.

Data breaches 59

Data breaches Artificial Intelligence Retail Architecture 59

Webroot

FEBRUARY 19, 2021

To recap, that is what the evidence suggests happened in the SolarWinds compromise discovered last December. What would reducing the time to discovery mean for small businesses? That is why the difference between looking for malware and looking for “weird stuff” matters.

Small Business 70

Small Business Hacking Passwords Surveillance 70

Security Affairs

OCTOBER 28, 2019

Surprisingly the spreadsheet doesn’t hold Macro code, so no weird message would appear and no weird requests for enabling macros or compatibility-mode would appear on the victim screen. Considering the User-Agent, the net-trace and most of all the pushing path, it reminds me LokiBot Malware. POST /edu/Panel/five/fre.php HTTP/1.0

Engineering 44

Engineering Passwords Malware Advertising 44

Digital Shadows

AUGUST 17, 2021

What is Phish(ing)? What is the difference between spam and phishing? URLs within the email may also link to malware or might be connected to an ad-click scam. No, not the band , unless you’re really into jam bands. We’re talking about the email attack variety. Figure 2: Spam.

Phishing 52

Phishing Accountability Social Engineering Mobile 52

ForAllSecure

MARCH 8, 2023

But what if you’re an immigrant or just a person of color. What if you are a woman in information security? We are what you would say a sector specialist. That's what we do. Anyway, what Chenxification does for example is frustrate computer malware's ability to locate and extract an application's decryption key.

InfoSec 40

InfoSec Engineering CSO Technology 40

Webroot

MARCH 9, 2021

But what if your business can’t afford it? And what’s the long-term psychological and emotional toll? And, according to Verizon , “[Ransomware] is a big problem that is getting bigger, and the data indicates a lack of protection from this type of malware in organizations.”. Proactively defend against ransomware attacks.

Ransomware 115

Ransomware Backups Security Awareness Risk 115

Security Boulevard

JUNE 30, 2022

Ransomware is no longer a game between average malware developers, but an illicit RaaS industry that gives jobs to hundreds of cybercriminals worldwide with various specializations,” Ivan Pisarev, Head of Dynamic Malware Analysis Team at Group-IB’s Threat Intelligence department, said in a statement. Ransomware sans encryption.

Encryption 52

Encryption Ransomware Backups Healthcare 52

McAfee

SEPTEMBER 17, 2021

There’s a lot of information out there on critical vulnerabilities; this short bug report contains an overview of what we believe to be the most news and noteworthy vulnerabilities. What is it? While many companies have disabled macros within Office documents at the Group Policy level, it is unlikely ActiveX is treated similarly.

Social Engineering 73

Social Engineering Engineering Technology Malware 73

SecureList

APRIL 27, 2022

These summaries are based on our threat intelligence research; and they provide a representative snapshot of what we have published and discussed in greater detail in our private APT reports. On February 23, ESET published a tweet announcing new wiper malware targeting Ukraine. We named this malware Elections GoRansom.

Malware 130

Malware Firmware Government Phishing 130

Malwarebytes

APRIL 19, 2021

This blog was authored by Hossein Jazi. Opening the document shows a blue theme in Korean that asks the user to enable the macro to view the document. Upon enabling the macro, a message box will pop up and after clicking the final lure will be loaded. The document has been weaponized with a macro that is executed upon opening.

Encryption 145

Encryption Phishing Malware Media 145

SecureList

AUGUST 24, 2022

In its new attack, the actor initiated the infection chain sending a spear-phishing email containing a macro-embedded Word document. In this process, the actor abused a legitimate blog service to host a malicious script with an encoded format. Malicious documents delivered to the victim contain a macro to fetch the next stage payload.

Malware 117

Malware Phishing Antivirus Media 117

Veracode Security

SEPTEMBER 30, 2021

IDEs and build infrastructure are being a target of various threat actors since at least 2015 when XcodeGhost has been discovered - [link] malware-ridden Apple Xcode IDE that enabled attackers to plant malware in iOS applications built using it. This functionality is intended to enable easier compile-time metaprogramming.

Malware 145

Malware Software Risk Encryption 145