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The Trickbot/Conti Crypters: Where Are They Now?
blog we published last May. One year on, ITG23 has experienced many organizational changes, splintering into factions and forging new relationships. Despite these events, ITG23 crypters remain fundamental to tracking post-ITG23 factions and their activity; so much so that we believe identifying and tracking the crypters is just as important, if not even more so, than tracking the malware itself.…
Cryptojacking, the illicit use of computing resources to mine cryptocurrency, has become increasingly prevalent in recent years, with attackers building a cybercriminal economy around attack tools, infrastructure, and services to generate revenue from targeting a wide range of vulnerable systems, including Internet of Things (IoT) devices.…
RedEyes (also known as APT37, ScarCruft, and Reaper) is a state-sponsored APT group that mainly carries out attacks against individuals such as North Korean defectors, human rights activists, and university professors. Their task is known to be monitoring the lives of specific individuals. In May 2023, AhnLab Security Emergency response Center (ASEC) discovered the RedEyes group distributing and using an Infostealer with wiretapping features that was previously unknown along with a backdoor developed using GoLang that exploits the Ably platform.* ABLY…
The Flea (aka APT15, Nickel) advanced persistent threat (APT) group continued to focus on foreign ministries in a recent attack campaign that ran from late 2022 into early 2023 in which it leveraged a new backdoor called Backdoor.Graphican.
This campaign was primarily focused on foreign affairs ministries in the Americas, although the group also targeted a government finance department in a country in the Americas and a corporation that sells products in Central and South America.…
By Securonix Threat Labs, Threat Research: D. Iuzvyk, T. Peck, O. Kolesnikov
June 21, 2023
TL;DRMULTI#STORM, an interesting attack campaign involving Python-based loader malware was recently seen being used to deliver Warzone RAT infections using phishing emails.
An interesting phishing campaign was recently analyzed by the Securonix Threat Research Team.…
AhnLab Security Emergency response Center (ASEC) monitors phishing email threats with the ASEC automatic sample analysis system (RAPIT) and honeypot. This post will cover the cases of distribution of phishing emails during the week from June 4th, 2023 to June 10th, 2022 and provide statistical information on each type.…
According to Check Point Harmony Email Researchers, credential harvesting has continually been the top attack vector, with 59% of attacks reported.…
Since November 2022, the eSentire Threat Response Unit (TRU) has observed the resurgence of what we believe to be a malicious campaign targeting the manufacturing, commercial, and healthcare organizations. The campaign is similar to the one reported by Trend Micro researchers in December 2020. The campaign is believed to be conducted by native Russian speaking threat actor(s).…
How do you know when something is in hot demand in the underground economy?…
This blog entry discusses the more technical details on the most recent tools, techniques, and procedures (TTPs) leveraged by the Earth Preta APT group, and tackles how we were able to correlate different indicators connected to this threat actor.
IntroductionIn November 2022, we disclosed a large-scale phishing campaign initiated by the advanced persistent threat (APT) group Earth Preta, also known as Mustang Panda.…
Bitdefender security researchers have discovered a threat group likely based in Romania that’s been active since at least 2020. They’ve been targeting Linux-based machines with weak SSH credentials, mainly to deploy Monero mining malware, but their toolbox allows for other kinds of attacks.
Hackers going after weak SSH credentials is not uncommon.…
Since December 2022, the eSentire Threat Response Unit (TRU) has observed Aurora Stealer malware infections in the manufacturing industry. It’s distributed via fake Google Ads for Notepad++ installer. Aurora Stealer gathers sensitive data, including cookies, autofill information, and encrypted passwords from browsers such as Opera, Brave, Mozilla Firefox, Chrome, etc.…
AhnLab Security Emergency response Center (ASEC) has recently discovered an attack campaign that consists of the Tsunami DDoS Bot being installed on inadequately managed Linux SSH servers. Not only did the threat actor install Tsunami, but they also installed various other malware such as ShellBot, XMRig CoinMiner, and Log Cleaner.…
Malware that are being distributed disguised as cracks are evolving.
In the past, malware was simply distributed as the executable itself. However, there was a gradual shift towards also including normal files within a compressed file. More recently, there was a sample where a normal installer was downloaded and executed.…
The Cortex Threat Research team has recently identified multiple espionage attacks targeting governmental entities in the Middle East and Africa. According to our findings, the main goal of the attacks was to obtain highly confidential and sensitive information, specifically related to politicians, military activities, and ministries of foreign affairs.…
Published On : 2023-06-15
EXECUTIVE SUMMARYInformation stealers pose an ongoing and dynamic threat to the security of both individuals and organizations. CYFIRMA’s Research team recently discovered an information stealer called “Mystic Stealer” being promoted in an underground forum, with the threat actor utilizing a Telegram channel for their operations.…
Progress Software disclosed one more critical vulnerability CVE-2023-35708 with CVSS Base Score 9.8 in its MOVEit Transfer application on 15th June 2023. An unauthenticated remote attacker could exploit the vulnerable version of MOVEit Transfer that could lead to escalated privileges and potential unauthorized access in the environment.…
Found in Environments Protected by: Mimecast
Author: Olwen Brangan
Cofense Phishing Defense Center
The Cofense Phishing Defense Center discovered a multi-stage phishing campaign targeting customers from Xneelo, a South African web hosting provider who supports over 500,000 customers. Xneelo provides customers with two options of control panels to manage accounts: the Xneelo control panel and the older KonsoleH control panel.…
As Russia’s invasion of Ukraine continues into its second year and Microsoft continues to collaborate with global partners in response, the exposure of destructive cyber capabilities and information operations provide greater clarity into the tools and techniques used by Russian state-sponsored threat actors. Throughout the conflict, Russian threat actors have deployed a variety of destructive capabilities with varying levels of sophistication and impact, which showcase how malicious actors rapidly implement novel techniques during a hybrid war, along with the practical limitations of executing destructive campaigns when significant operational errors are made and the security community rallies around defense.…