In 2023, Account Takeover (ATO) was confirmed to be among the most harmful types of fraud for online banking customers. At Cleafy, we have seen that 90% of fraud attempts are still conducted via Account Takeover, and our forecasts expect this number to stay flat in 2024.…
Tag: EXFILTRATION
U.S. cybersecurity and intelligence agencies have warned of Phobos ransomware attacks targeting government and critical infrastructure entities, outlining the various tactics and techniques the threat actors have adopted to deploy the file-encrypting malware.
“Structured as a ransomware as a service (RaaS) model, Phobos ransomware actors have targeted entities including municipal and county governments, emergency services, education, public healthcare, and critical infrastructure to successfully ransom several million in U.S.…
On February 29, 2024, the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) released a joint Cybersecurity Advisory (CSA) which disseminates known Tactics, Techniques, and Procedures (TTPs) and Indicators of Compromise (IOCs) associated with the Phobos Ransomware variants observed as recently as February 2024.…
I-Soon’s commercial offering reveals that their main issue is processing collected data, not breaching their targets in the first place. Their products leverage deep learning to help them sort and classify stolen documents.
The company appears to have trouble sourcing malware and relies on generally crude methods (i.e.,…
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Key TakeawaysIn February 2023, we detected an intrusion that was initiated by a user downloading and executing a file from a SEO-poisoned search result, leading to a Gootloader infection.Around nine hours after the initial infection, the Gootloader malware facilitated the deployment of a Cobalt Strike beacon payload directly into the host’s registry, and then executed it in memory.…
Read More [This is a Guest Diary by John Moutos, an ISC intern as part of the SANS.edu Bachelor’s Degree in Applied Cybersecurity (BACS) program [1].
IntroFrom a handful of malware analysis communities I participate in, it is not uncommon for new or interesting samples to be shared, and for them to capture the attention of several members, myself included.…
In October 2023, the network of a Darktrace customer was targeted with ALPHV, or BlackCat, ransomware. An investigation into the attack revealed the usage of methods associated with the Nitrogen campaign, such as ‘malvertising’ and the distribution of malicious Python packages.
As-a-Service malware trendingThroughout the course of 2023, “as-a-Service” strains of malware remained the most consistently observed threat type to affect Darktrace customers, mirroring their overall prominence across the cyber threat landscape.…
SUMMARY
Read More Note: This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware.…
SUMMARY
Read More The Cybersecurity and Infrastructure Security Agency (CISA) and the following partners (hereafter referred to as the authoring organizations) are releasing this joint Cybersecurity Advisory to warn that cyber threat actors are exploiting previously identified vulnerabilities in Ivanti Connect Secure and Ivanti Policy Secure gateways. CISA and authoring organizations appreciate the cooperation of Volexity, Ivanti, Mandiant and other industry partners in the development of this advisory and ongoing incident response activities.…
Bitdefender Labs recently helped with an investigation that unfortunately aligns with two key predictions we made for 2024: the rapid rise of opportunistic ransomware and the growing risk of coordinated attacks. This ransomware attack was coordinated and impacted two separate companies simultaneously.…
Today Mandiant is releasing a blog post about suspected Iran-nexus espionage activity targeting the aerospace, aviation and defense industries in Middle East countries, including Israel and the United Arab Emirates (UAE) and potentially Turkey, India, and Albania.
Mandiant attributes this activity with moderate confidence to the Iranian actor UNC1549, which overlaps with Tortoiseshell—a threat actor that has been publicly linked to Iran’s Islamic Revolutionary Guard Corps (IRGC).…
Introduction
Read More Zscaler’s ThreatLabz discovered a suspicious PDF file uploaded to VirusTotal from Latvia on January 30th, 2024. This PDF file is masqueraded as an invitation letter from the Ambassador of India, inviting diplomats to a wine-tasting event in February 2024. The PDF also included a link to a fake questionnaire that redirects users to a malicious ZIP archive hosted on a compromised site, initiating the infection chain.…
Here at Bitdefender, we’re constantly working on improving detection capabilities for our macOS cyber-security products; part of this effort involves revisiting old (or digging up new) samples from our malware zoo. During routine verifications, we were able to isolate multiple suspicious and undetected macOS disk image files surprisingly small for files of this kind (1.3 MB per file).…
We’re super excited to introduce Mizuho (@morimolymoly2 on X) today, a software engineer and malware analyst making their debut on the ANY.RUN blog. In today’s article, Mizuho guides us through surface, dynamic, and static analysis of DCRat. Let’s dive in.
Read More In this article, I’ll guide you through the analysis process of DCRat using ANY.RUN.…
This blog entry gives a detailed analysis of these recent ScreenConnect vulnerabilities. We also discuss our discovery of threat actor groups, including Black Basta and Bl00dy Ransomware gangs, that are actively exploiting CVE-2024-1708 and CVE-2024-1709 based on our telemetry.
On February 19, 2024, ConnectWise disclosed significant vulnerabilities within its ScreenConnect software (CVE-2024-1708 and CVE-2024-1709), which specifically targeted versions 23.9.7 and earlier.…
Morphisec Threat Labs recently discovered multiple indicators of attacks leading to threat actor, UAC-0184. This discovery sheds light on the notorious IDAT loader delivering the Remcos Remote Access Trojan (RAT) to a Ukrainian entity based in Finland. …
On February 19, 2024, ConnectWise released a security patch addressing two vulnerabilities in the ScreenConnect software, potentially leading to Remote Code Execution (RCE). These vulnerabilities, identified as CVE-2024-1709 and CVE-2024-1708, allow attackers to bypass authentication and perform path traversal, respectively, enabling unauthorized access and administrative privilege escalation.…
DarkVNC is a hidden utility based on the Virtual Network Computing (VNC) technology, initially promoted on an Exploit forum in 2016. The primary distinction between hVNC and VNC lies in their intended usage and the degree of transparency: VNC can serve as a legitimate tool for remote desktop sharing, while hVNC is associated with stealthy or potentially malicious activities, often operating without the user’s knowledge or consent.…
DCSO CyTec Blog
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14 min read ·Feb 21, 2024
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Earlier this year, DCSO observed an intriguing malware sample first uploaded to VirusTotal in mid-January 2024 that we believe to be part of North Korea-linked activity targeting the Russian Ministry of Foreign Affairs.…
Quasar is a legitimate remote administration tool that has become popular among threat actors due to its range of capabilities and availability in open source. This blog details how Darktrace detected this tool without using signatures and how Darktrace RESPOND can be configured to block its malicious usage.…