In July 2024, Kaspersky researchers discovered the previously unknown Loki backdoor, which was used in a series of targeted attacks. By analyzing the malicious file and open sources, we determined that Loki is a private version of an agent for the open-source Mythic framework.
The newly discovered Loki agent is a Mythic-compatible version of the agent for another framework, Havoc. The Loki modification inherited various techniques from Havoc to complicate analysis of the agent, such as encrypting its memory image, indirectly calling system API functions, searching for API functions by hashes, and more. However, unlike the agent for Havoc, Loki was split into a loader and a DLL, where main functionality of the malware is implemented.
Read more…
Source: Kaspersky
Related:
- Analyzing Cuba ransomware
September 11, 2023
The group’s offensives first got on Kaspersky researchers radar in late 2020. Back then, the cybercriminals had not yet adopted the moniker “Cuba”; they were known as “Tropical Scorpius”. Cuba mostly targets organizations in the United States, Canada and Europe. The gang has scored a series of resonant attacks on oil companies, financial services, government ...
- Analyzing a Facebook Profile Stealer Written in Node.js
September 5, 2023
During previous analysis of a campaign involving a Facebook stealer, Trend Micro researchers discovered another interesting stealer. It was written in Node.js, packaged into an executable, exfiltrated stolen data via both Telegram bot API and a command-and-control (C&C) server, and employed GraphQL as a channel for C&C communication. This blog entry investigates this new stealer ...
- New Agent Tesla Variant Being Spread by Crafted Excel Document
September 5, 2023
FortiGuard Labs captured a phishing campaign that spreads a new Agent Tesla variant. This well-known malware family uses a .Net-based Remote Access Trojan (RAT) and data stealer to gain initial access. It is often used for Malware-as-a-Service (MaaS). FortiGuard Labs researcher Xiaopeng Zhang performed an in-depth analysis of this campaign, from the initial phishing email to ...
- Exploring the Inner Workings of DuckTail
August 30, 2023
In their persistent quest to decode DuckTail’s maneuvers, Zscaler ThreatLabz began an intelligence collection operation in May 2023. Through an intensive three-month period of monitoring, Zscaler researchers obtained critical details about DuckTail’s operational framework. This expedition granted them unprecedented visibility into DuckTail’s end-to-end operations, spanning the entire kill chain from reconnaissance to post-compromise. Zscaler team yielded valuable ...
- Lockbit leak, research opportunities on tools leaked from TAs
August 25, 2023
Lockbit is one of the most prevalent ransomware strains. It comes with an affiliate ransomware-as-a-service (RaaS) program offering up to 80% of the ransom demand to participants, and includes a bug bounty program for those who detect and report vulnerabilities that allow files to be decrypted without paying the ransom. According to the Lockbit owners, the ...
- JanelaRAT: Repurposed BX Rat Variant Targeting LATAM FinTech
August 10, 2023
In June of 2023, researchers at Zscaler ThreatLabz discovered a threat actor targeting FinTech users in the LATAM region. JanelaRAT involves several tactics, techniques, and procedures (TTPs) such as DLL side-loading, dynamic C2 infrastructure, and a multi-stage attack. The final malware involved in this campaign is a heavily modified variant of BX RAT. Because of this, ...