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Malware authors and distributors are following the ebbs and flow of the threat landscape. One campaign we have tracked for a numbers of years recently introduced a new scheme to possibly completely move away from drive-by downloads via exploit kit.
In this quick blog post, we will look at this new attack chain and link it with previous activity from what we believe are the same threat actors.…
LuoYu is a lesser-known threat actor that has been active since 2008. It primarily goes after targets located in China, such as foreign diplomatic organizations established in the country, members of the academic community, or companies from the defense, logistics and telecommunications sectors. In their initial disclosures on this threat actor, TeamT5 identified three malware families: SpyDealer, Demsty and WinDealer.…
By: Jason Reaves and Joshua Platt
SocGholish AKA FAKEUPDATES was first reported in 2017. While the initial analysis and reporting did not gain much attention, over time the actor(s) behind the activity continued to expand and develop their operations. Partnering with Evil Corp, the FAKEUPDATE / SOCGHOLISH framework has become a major corporate initial access vector.…
In April 2022, ThreatLabz discovered several newly registered domains, which were created by a threat actor to spoof the official Microsoft Windows 11 OS download portal. We discovered these domains by monitoring suspicious traffic in our Zscaler cloud. The spoofed sites were created to distribute malicious ISO files which lead to a Vidar infostealer infection on the endpoint.…
In the past two months, we observed multiple APT groups attempting to leverage the Russia and Ukraine war as a lure for espionage operations. It comes as no surprise that Russian entities themselves became an attractive target for spear-phishing campaigns that are exploiting the sanctions imposed on Russia by western countries.…
Published On : 2022-05-12
Onyx Ransomware ReportSuspected Malware: onyx RansomwareFunction: RansomwareRisk Score: 8Confidence Level: HighThreat actor Associations: Unknown
Executive Summary:The activity of new ransomware named “Onyx” was first observed in the second half of April 2022. This ransomware group has seven victims listed on its data leak page[.onion…
Ursnif (aka Gozi, Dreambot, ISFB) is one of the most widespread banking trojans. It has been observed evolving over the past few years. Ursnif has shown incredible theft capabilities. In 2020 Ursnif rose to prominence becoming one of the top ten most prolific pieces of malware.…
It started with a seemingly benign email, dealing with the purchase of a vehicle, and ended in a reveal of a months’ long campaign targeting German organizations. Most of the targets are related to the German auto-industry sector and the attacks were designed to deploy various types of info-stealing malware.…
Emotet is a malware family that steals sensitive and private information from victims’ computers. The malware has infected more than a million devices and is considered one of the most dangerous threats of the decade.
In addition to analyzing threats, FortiGuard Labs also focuses on how malware spreads.…
Over the last several years, the Cybereason Nocturnus Team has been tracking different APT groups operating in the Middle East region, including two main sub-groups of the Hamas cyberwarfare division: Molerats and APT-C-23. Both groups are Arabic-speaking and politically-motivated that operate on behalf of Hamas, the Palestinian Islamic-fundamentalist movement and a terrorist organization that has controlled the Gaza strip since 2006.…
The Morphisec Labs team has conducted research on the new Mars infostealer. Mars is based on the older Oski Stealer and was first discovered in June 2021. The new Mars is available for sale on several underground forums and is reported to be under constant development.…
This post describes the technical analysis of a new campaign detected by Intezer’s research team, which initiates attacks with a phishing email that uses conversation hijacking to deliver IcedID.
The underground economy is constantly evolving with threat actors specializing in specific fields. One field that has bloomed in the last few years is initial access brokers.…
Malicious email and phishing scams are usually topical and follow a pattern of current events, and they typically are crafted around calendar and/or trending issues as attackers realize that victims are interested in all things relevant to the moment. Threat actors are aware that not all recipients will bite, but some will, hence the origin of the term “phishing.”…
Our Threat Research team maintains a vigilant watch over the cyber threat landscape, hunting for malware as a normal course of operations.…
Summary
Multifactor Authentication (MFA): A Cybersecurity Essential• MFA is one of the most important cybersecurity practices to reduce the risk of intrusions—according to industry research, users who enable MFA are up to 99 percent less likely to have an account compromised.• Every organization should enforce MFA for all employees and customers, and every user should sign up for MFA when available.•…
I came across a fairly interesting VBS-based DanaBot downloader the other day, and I figured it was worth doing a quick write-up on the obfuscation scheme and a few of the other TPPs I observed. The social engineering pretext used in this campaign was interesting as it leveraged an “unclaimed property” themed lure and required user interaction to deliver the first stage payload.…
Since its reemergence on Nov. 14, 2021, Black Lotus Labs has once again been tracking Emotet, one of the world’s most prolific malware distribution families which previously infected more than 1.6M devices and caused hundreds of millions of dollars in damage across critical infrastructure, healthcare, government organizations and enterprises around the world.…
Recently, Fortinet’s FortiGuard Labs captured more than 500 Microsoft Excel files that were involved in a campaign to deliver a fresh Emotet Trojan onto the victim’s device.
Emotet, known as a modular Trojan, was first discovered in the middle of 2014. Since then, it has become very active, continually updating itself.…
8/24 Editor’s Note: Since the publication, SMTP2Go has updated its security measures.
Key TakeawaysProofpoint researchers have identified ongoing activity by the China-aligned APT actor TA416 in which the group is targeting European diplomatic entities, including an individual involved in refugee and migrant services. This targeting is consistent with other activity reported by Proofpoint, showing an interest in refugee policies and logistics across the APT actor landscape which coincides with increased tensions and now armed conflict between Russia and Ukraine.…