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For additional information regarding deserialization exploits and our new hunting rule generation tool ‘HeySerial’, read our blog post, Now You Serial, Now You Don’t — Systematically Hunting for Deserialization Exploits.
USAHerds (CVE-2021-44207) Zero-DayIn three investigations from 2021, APT41 exploited a zero-day vulnerability in the USAHerds web application.…
Since the dawn of phishing, fraudulent invoicing and purchasing schemes have been one of the most common lures. The usual modus operandi involves appealing to the recipient’s desire to avoid incurring a debt, especially where a business may be involved.
FortiGuard Labs recently came across an interesting phishing e-mail masquerading as a purchase order addressed to a Ukrainian manufacturing organization that deals with raw materials and chemicals.…
Soon after execution of the Qbot payload, the malware established C2 connectivity and created persistence on the beachhead. Successful exploitation of the Zerologon vulnerability (CVE-2020-1472) allowed the threat actors to obtain domain admin privileges.…
On February 4th, 2022, the FBI issued a flash report on LockBit 2.0 ransomware and its indicators of compromise (IOCs). Although Picus Labs updated the Picus Threat Library with attack simulations for LockBit 2.0 back in August 2021, the increasing number of attacks led us to write this blog post.…
These websites host Smokeloader payloads as part of three categories named “pab1”, “pab2” and “pab3”. These are not necessarily linked to the analogous “pub*” affiliate IDs, since we have seen some “pab2” payloads with the “555” affiliate ID. While tracking PrivateLoader, we only received links to download the “pab2” payloads from these websites.…
In August 2021, a disgruntled CONTI affiliate leaked training documents, playbooks, and tools used to assist in CONTI ransomware operations. Mandiant has determined that some of the activity listed above overlaps with techniques in the playbooks disclosed in August.
At this time, due to the public release of this information, other unaffiliated actors may be replicating the techniques for their own motives and objectives.…
case study below, Antlion compromised the networks of at least two other organizations in Taiwan, including another financial organization and a manufacturing company. The activity the group carried out on those networks was largely similar to the activity that is detailed in the case study, with the xPack backdoor frequently deployed and a lot of evidence of credential dumping.…
Qbot (aka QakBot, Quakbot, Pinkslipbot ) has been around for a long time having first been observed back in 2007. More info on Qbot can be found at the following links: Microsoft & Red Canary
In this case, from October 2021, we will break down how Qbot quickly spread across all workstations in an environment, while stealing browser information and emails.…
On November 11th, Google TAG published a blogpost about watering-hole attacks leading to exploits for the Safari web browser running on macOS. ESET researchers had been investigating this campaign the week before that publication, uncovering additional details about the targets and malware used to compromise its victims.…
Co-authored by Gustavo Palazolo and Ghanashyam Satpathy
SummaryIn 2021, malicious Office documents accounted for 37% of all malware downloads detected by Netskope, showing favoritism for this infection vector among attackers. This is likely due to the ubiquitous usage of Microsoft Office in enterprises across the globe.…
TrickBot Bolsters Layered Defenses to Prevent Injection Research
Limor Kessem and Charlotte Hammond.
The cyber crime gang that operates the TrickBot Trojan, as well as other malware and ransomware attacks, has been escalating activity. As part of that escalation, malware injections have been fitted with added protection to keep researchers out and get through security controls.…
BlackCat (aka AlphaVM, AlphaV) is a newly established RaaS (Ransomware as a Service) with payloads written in Rust. While BlackCat is not the first ransomware written in the Rust language, it joins a small (yet growing) sliver of the malware landscape making use of this popular cross-platform language.…
BlueNoroff is the name of an APT group coined by Kaspersky researchers while investigating the notorious attack on Bangladesh’s Central Bank back in 2016. A mysterious group with links to Lazarus and an unusual financial motivation for an APT. The group seems to work more like a unit within a larger formation of Lazarus attackers, with the ability to tap into its vast resources: be it malware implants, exploits, or infrastructure.…
Over the past year, we have seen ransomware attackers change the way they have responded to organizations that have either chosen to not pay the ransom or have recovered their data via some other means. At the end of the day, fighting ransomware has resulted in the bad actors’ loss of revenue.…
If you are Android user and you have an app Talking Tom 3, Smart Touch, Privacy Lock then you should be vary.
FirmEye, a Security and cyber-attack firm tracked down a new mobile malware that is threat in more than 20 countries worldwide.
Kemoge, an Android-affecting malware which you can install via ads, poses a security threat.…