Deriving Threat Actor TTPs from Management Infrastructure Tracking
You can find our previous work on Stage 1 and Stage 2 of IcedID’s initial infection chain in our Dragons News Blog. Data on Stage 1 C2 infrastructure is now also shared as part of our Botnet Analysis and Reporting Service (BARS).…
After Microsoft announced this year that macros from the Internet will be blocked by default in Office, many threat actors have switched to different file types such as Windows Shortcut (LNK), ISO or ZIP files, to distribute their malware. Nevertheless, Office documents are still actively leveraged in many campaigns and pose a large risk to organizations, especially with threat actors continuously finding new ways to avoid detection.…
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Executive SummarySince our last blog in early February covering the advanced persistent threat (APT) group Trident Ursa (aka Gamaredon, UAC-0010, Primitive Bear, Shuckworm), Ukraine and its cyber domain has faced ever-increasing threats from Russia. Trident Ursa is a group attributed by the Security Service of Ukraine to Russia’s Federal Security Service.…
A malicious Python file found on the PyPI repository adds backdoor and data exfiltration features to what appears to be a legitimate SDK client from SentinelOne.…
ESET researchers discovered a spearphishing campaign, launched in the weeks leading up to the Japanese House of Councillors election in July 2022, by the APT group that ESET Research tracks as MirrorFace. The campaign, which we have named Operation LiberalFace, targeted Japanese political entities; our investigation revealed that the members of a specific political party were of particular focus in this campaign.…
December 14, 2022
Joshua Miller, Crista Giering and the Proofpoint Threat Research Team
Key Takeaways From at least late 2020 and through 2022, TA453 has engaged in campaigns that deviate from the group’s expected phishing techniques and target victimology. In these campaigns, TA453 has employed the use of compromised accounts, malware, and confrontational lures to go after targets with a range of backgrounds from medical researchers to realtors to travel agencies. …
A RAT (Remote Access Trojan) is a tool used by Threat Actors (TAs) to gain full access and remote control of a victim’s machine, including mouse and keyboard control, file access, network resources access, etc.
Cyble Research and Intelligence Labs (CRIL) has been actively monitoring such RATs and blogging about them as and when they emerge.…
Specialists at the PT Expert Security Center have been monitoring the Cloud Atlas group since May 2019. According to our data, its attacks have been targeting the government sector of the following countries:
Russia Belarus Azerbaijan Turkey SloveniaThe goals of the group are espionage and theft of confidential information.…
We intercepted a cryptocurrency mining attack that incorporated an advanced remote access trojan (RAT) named the CHAOS Remote Administrative Tool.
We’ve previously written about cryptojacking scenarios involving Linux machines and specific cloud computing instances being targeted by threat actors active in this space such as TeamTNT.…
Mandiant Managed Defense recently identified cyber espionage activity that heavily leverages USB devices as an initial infection vector and concentrates on the Philippines. Mandiant tracks this activity as UNC4191 and we assess it has a China nexus.
UNC4191 operations have affected a range of public and private sector entities primarily in Southeast Asia and extending to the U.S.,…
Published On : 2022-09-25
Erbium Stealer Malware Report Executive SummaryThe Erbium malware is an information-stealer/ info stealer, which is distributed as Malware-as- a-Service (MaaS). CYFIRMA research team observed this malware binary in Aug-2022 while carrying out threat hunting activities. The team has also observed the stealer malware being advertised on Russian-speaking hacker forums.…
Deceptive phishing is the preferred way for cybercriminals to distribute malware since luring the victim into clicking a link in a likely phishing SMS or Email is easier. The Threat Actor(TA) usually uses brand impersonation in phishing campaigns to trick the users into believing that they are reputed and legitimate.…
A postmortem analysis of multiple incidents in which attackers eventually launched the latest version of LockBit ransomware (known variously as LockBit 3.0 or ‘LockBit Black’), revealed the tooling used by at least one affiliate. Sophos’ Managed Detection and Response (MDR) team has observed both ransomware affiliates and legitimate penetration testers use the same collection of tooling over the past 3 months.…
ESET researchers have analyzed a previously unreported backdoor used by the ScarCruft APT group. The backdoor, which we named Dolphin, has a wide range of spying capabilities, including monitoring drives and portable devices and exfiltrating files of interest, keylogging and taking screenshots, and stealing credentials from browsers.…
The ASEC analysis team discovered that the Word document type identified in the blog, ‘Malicious Word Files Targeting Specific Individuals Related to North Korea,’ has recently been using FTP to leak user credentials. The filename of the identified Word document is ‘CNA[Q].doc’, disguised as a CNA Singaporean TV program interview.…
Zscaler ThreatLabz is always on the lookout for threat actors trying to take advantage of major world news and events. The FIFA World Cup 2022 has brought with it a spike in cyber attacks targeting football fans through fake streaming sites and lottery scams, leveraging the rush and excitement around these uncommon events to infect users with malware.…
There’s a common saying in cyber security, “you can’t protect what you don’t know,” and this applies perfectly to the attack surface of any given organization.
Many organizations have hidden risks throughout their extended IT and security infrastructure. Whether the risk is introduced by organic cloud growth, adoption of IoT devices, or through mergers and acquisitions, the hidden risk lies dormant.…
At Zscaler ThreatLabz, we have been closely monitoring web threats such as payment card skimming attacks against e-commerce stores. Starting in July 2022, we have observed an increase in such activity targeted against Magento and Presta Shop e-commerce stores.
With Black Friday and the holiday season approaching, it is expected that there will be an increase in online shopping activity among users as they rush to take advantage of various discount offers.…
In July 2022, Sekoia.io discovered a new Golang botnet advertised by its alleged developer as Aurora botnet since April 2022. Since we published an analysis of the malware and the profile of the threat actor advertising Aurora on underground forums for our clients, the botnet’s activity slowed down.…
Editor’s Note: This is an excerpt of a full report. To read the entire analysis with endnotes, click here to download the report as a PDF.
This report analyzes the threat landscape ahead of the 2022 FIFA World Cup hosted in Qatar that begins on November 20, 2022.…