This research was conducted by Michael Mullen and Nikolaos Pantazopoulos from NCC Group Cyber Incident Response Team. You can find more here Incident Response – NCC Group
Summary tl;drIn the Threat Pulse released in November 2021 we touched on Everest Ransomware group. This latest blog documents the TTPs employed by a group who were observed deploying Everest ransomware during a recent incident response engagement.…
Summary
The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the Department of the Treasury (Treasury) are releasing this joint Cybersecurity Advisory (CSA) to provide information on Maui ransomware, which has been used by North Korean state-sponsored cyber actors since at least May 2021 to target Healthcare and Public Health (HPH) Sector organizations.…
Raccoon Stealer was one of the most prolific information stealers in 2021, being used by multiple cybercriminal actors. Due to its wide stealing capabilities, the customizability of the malware and its ease of use, Raccoon Stealer was highly popular among threat actors. The malware was mainly distributed using fake installers, or as cracked versions of popular software.…
Authored by Dexter Shin
Instagram has become a platform with over a billion monthly active users. Many of Instagram’s users are looking to increase their follower numbers, as this has become a symbol of a person’s popularity. Instagram’s large user base has not gone unnoticed to cybercriminals.…
Since May 2022, ThreatLabz has been closely monitoring the activities of a threat actor which targets users in various US-based organizations with malicious voicemail-notification-themed emails in an attempt to steal their Office365 and Outlook credentials. The tactics, techniques, and procedures (TTPs) of this threat actor have a high overlap with a previous voicemail campaign that ThreatLabz analyzed in July 2020.…
QakBot, also known as QBot, QuackBot, or Pinkslipbot, is a banking trojan malware that has existed for over a decade. In recent years, QakBot has become one of the leading banking trojans around the globe. Its main purpose is to steal banking credentials (e.g., logins, passwords, etc.)…
During our routine threat hunting exercise, Cyble Research Labs came across a Twitter Post wherein the researcher mentioned an Android malware variant published on the Play Store. The variant in question acts as a Hostile Downloader and downloads the Hydra Banking Trojan.
The downloaded app has the same functionality as recently encountered Hydra variants targeting Columbia.…
Check Point Research uncovers a recent Iranian-based spear-phishing operation aimed against former Israeli officials, high-ranking military personnel, research fellows in research institutions, think tanks, and against Israeli citizens. The attacks use a custom phishing infrastructure, as well as a wide array of fake email accounts to impersonate trusted parties.…
This research is a joint effort between Joakim Kennedy, Security Researcher at Intezer, and the BlackBerry Research & Intelligence Team. It can be found on the Intezer blog here as well.
In biology, a symbiote is an organism that lives in symbiosis with another organism. The symbiosis can be mutually beneficial to both organisms, but sometimes it can be parasitic when one benefits and the other is harmed.…
This post is also available in: 日本語 (Japanese)
Executive SummaryTo better detect attacks that affect the actions of signed applications – such as supply-chain attacks, dynamic-link libraries (DLL) hijacking, exploitation and malicious thread injection – we have devised a suite of analytics detectors that are able to detect global statistical anomalies.…
In this multi-day intrusion, we observed a threat actor gain initial access to an organization by exploiting a vulnerability in ManageEngine SupportCenter Plus. The threat actor, discovered files on the server and dumped credentials using a web shell, moved laterally to key servers using Plink and RDP and exfiltrated sensitive information using the web shell and RDP.…
OFAC sanctions against Evil Corp in December 2019 were announced in conjunction with the Department of Justice’s (DOJ) unsealing of indictments against individuals for their roles in the Bugat malware operation, updated versions of which were later called DRIDEX. DRIDEX was believed to operate under an affiliate model with multiple actors involved in the distribution of the malware.…
Summary
Update June 2, 2022:
This Cybersecurity Advisory (CSA) has been updated with additional indicators of compromise (IOCs) and detection signatures, as well as tactics, techniques, and procedures (TTPs) from trusted third parties.
Update End
The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this CSA to warn organizations that malicious cyber actors, likely advanced persistent threat (APT) actors, are exploiting CVE-2022-22954 and CVE-2022-22960 separately and in combination.…
Since the beginning of the ongoing Russia-Ukraine War, some ransomware and hacking groups have publicly declared which side they are on. Such actions have created tension internally within the threat actor groups as it has caused dissension, and externally, as organizations fear being targeted due to the political nature of the war.…
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…
The Quantum Locker is a ransomware strain that was first discovered in July 2021. Since then, the ransomware was observed used in fast ransomware attacks, in some cases even Time-to-Ransom (TTR) of less than 4 hours, leaving defenders little time to react.…
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 was first found in the wild in 2014. Back then its main functionality was stealing user banking credentials. Since then it has survived numerous transformations, started delivering other malware and finally became a powerful botnet. In January 2021 Emotet was disrupted by a joint effort of different countries’ authorities.…
Introduction
Credential stealing malware is commonly observed in the landscape of cyber attacks today. Zscaler ThreatLabz team has discovered many new types of stealer malwares across different attack campaigns. Stealers are malicious programs that threat actors use to collect sensitive information with various techniques including keylogging, cookie stealing, and sending stolen information to the Command and Control Server. …