This week, the SonicWall Capture Labs threat research team investigated a sample of Orcinius malware.
This is a multi-stage trojan that is using Dropbox and Google Docs to download second-stage payloads and stay updated. It contains an obfuscated VBA macro that hooks into Windows to monitor running windows and keystrokes and creates persistence using registry keys.
Read more…
Source: Sonicwall
Related:
- Black Basta and Cactus Ransomware Groups Add BackConnect Malware to Their Arsenal
March 3, 2025
The Trend Micro Managed XDR and Incident Response (IR) teams recently analyzed incidents where threat actors deploying Black Basta and Cactus ransomware used the same BackConnect malware to strengthen their foothold on compromised machines. The BackConnect malware is a tool that cybercriminals use to establish and maintain persistent control over compromised systems. Once infiltrated, it grants ...
- Uncovering .NET Malware Obfuscated by Encryption and Virtualization
March 3, 2025
This article examines obfuscation techniques used in popular malware families, and offers some insights into possible opportunities for automating unpacking of these malware samples. Palo Alto researchers will examine these behaviors in samples we have observed, showing how to extract their configuration parameters through unpacking each stage. Performing this same process through automation would allow a ...
- Operation sea elephant: The dying walrus wandering the Indian Ocean
March 3, 2025
Operation Sea Elephant aims to spy on Chinese scientific research achievements in the field of ocean to ensure the dominance of a certain country in South Asia in the Indian Ocean. In mid-2024 QiAnXin Threat Intelligence Center researchers discovered the South Asian direction attack collection numbered UTG-Q-011, which, despite the fact that the collection’s subsequent plug-ins differed ...
- The evolution of Dark Caracal tools: analysis of a campaign featuring Poco RAT
February 28, 2025
In early 2024, analysts at the Positive Technologies Expert Security Center (PT ESC) discovered a malicious sample. The cybersecurity community named it Poco RAT after the POCO libraries in its C++ codebase. At the time of its discovery, the sample had not been linked to any known threat group. The malware came loaded with a full ...
- StaryDobry ruins New Year’s Eve, delivering miner instead of presents
February 18, 2025
On December 31, cybercriminals launched a mass infection campaign, aiming to exploit reduced vigilance and increased torrent traffic during the holiday season. Kaspersky telemetry detected the attack, which lasted for a month and affected individuals and businesses by distributing the XMRig cryptominer. This previously unidentified actor is targeting users worldwide—including in Russia, Brazil, Germany, Belarus and ...
- Analyzing ELF/Sshdinjector.A!tr with a Human and Artificial Analyst
February 4, 2025
ELF/Sshdinjector.A!tr is a collection of malware that can be injected into the SSH daemon. Samples of this malware collection surfaced around mid-November 2024. While Fortinet researchers have a good amount of threat intelligence on them (e.g., they are attributed to the DaggerFly espionage group and were used during the Lunar Peek campaign against network appliances), nobody ...