Google Threat Intelligence Group (GTIG) has identified an ongoing campaign by a suspected financially-motivated threat actor we track as UNC6148, targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances.
GTIG assesses with high confidence that UNC6148 is leveraging credentials and one-time password (OTP) seeds stolen during previous intrusions, allowing them to regain access even after organizations have applied security updates. Evidence for the initial infection vector was limited, as the actor’s malware is designed to selectively remove log entries, hindering forensic investigation; however, it is likely this was through the exploitation of known vulnerabilities.
Read more…
Source: Mandiant/GTG
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- ExCobalt: GoRed, the hidden-tunnel technique
June 19, 2024
While responding to an incident at one of their clients, the PT ESC CSIRT team discovered a previously unknown backdoor written in Go, which they attributed to a cybercrime gang dubbed ExCobalt. ExCobalt focuses on cyberespionage and includes several members active since at least 2016 and presumably once part of the notorious Cobalt gang. Cobalt attacked ...
- LevelBlue Labs Discovers Highly Evasive, New Loader Targeting Chinese Organizations
June 19, 2024
LevelBlue Labs recently discovered a new highly evasive loader that is being delivered to specific targets through phishing attachments. A loader is a type of malware used to load second-stage payload malware onto a victim’s system. Due to the lack of previous samples observed in the wild, LevelBlue Labs has named this malware “SquidLoader,” given its ...
- Fickle Stealer Distributed via Multiple Attack Chain
June 19, 2024
The past few years have seen a significant increase in the number of Rust developers. Rust is a programming language focused on performance and reliability. However, for an attacker, its complicated assembly code is a significant merit. In May 2024, FortiGuard Labs observed a Rust-based stealer. In addition to its intricate code, the stealer is distributed ...
- Void Arachne Targets Chinese-Speaking Users With the Winos 4.0 C&C Framework
June 19, 2024
In early April, Trend Micro researchers discovered that a new threat actor group (which they call Void Arachne) was targeting Chinese-speaking users. Void Arachne’s campaign involves the use of malicious MSI files that contain legitimate software installer files for artificial intelligence (AI) software as well as other popular software. The malicious Winos payloads are bundled alongside ...
- Unmasking Mac malware – strategies for a growing threat
June 18, 2024
In recent years, cybercriminal groups have been ramping up their efforts to find vulnerabilities and create malware that will exploit the iOS or macOS. Jamf’s latest annual threat landscape research tracked 300 malware families designed for macOS, and 21 newly created families in 2023. It’s not just the number of malware families that has risen, but ...
- Analysis of user password strength
June 18, 2024
The processing power of computers keeps growing, helping users to solve increasingly complex problems faster. A side effect is that passwords that were impossible to guess just a few years ago can be cracked by hackers within mere seconds in 2024. For example, the RTX 4090 GPU is capable of guessing an eight-character password consisting of ...