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:
- Singapore law firm Shook Lin & Bok hit by cyber attack; allegedly paid ransom
May 5, 2024
Singapore law firm Shook Lin & Bok was hit by a ransomware attack in April, and the incident is now under investigation by the local authorities. In response to queries from The Straits Times, the firm said in a statement on May 2 that the incident was discovered on April 9, and it immediately engaged a ...
- U.K., U.S. and Canadian cyber authorities warn of pro-Russia hacktivist attacks on OT systems
May 3, 2024
The U.K.’s National Cyber Security Centre (NCSC) and other international cyber authorities, including the Federal Bureau of Investigation (FBI), have warned about pro-Russia hacktivist attacks targeting providers of operational technology. OT is hardware and software that interacts with the physical environment and includes smart water metres, automated irrigation systems, dam monitoring systems, smart grids and IoT ...
- Graph: Growing number of threats leveraging Microsoft API
May 2, 2024
An increasing number of threats have begun to leverage the Microsoft Graph API, usually to facilitate communications with command-and-control (C&C) infrastructure hosted on Microsoft cloud services. The technique was most recently used in an attack against an organization in Ukraine, where a previously undocumented piece of malware used the Graph API to leverage Microsoft OneDrive for ...
- Watch out for tech support scams lurking in sponsored search results
May 2, 2024
A campaign using sponsored search results is targeting home users and taking them to tech support scams. Sponsored search results are the ones that are listed at the top of search results and are labelled “Sponsored”. They’re often ads that are taken out by brands who want to get people to click through to their website. ...
- Scaly Wolf’s new loader: the right tool for the wrong job
May 2, 2024
The BI.ZONE Threat Intelligence team has uncovered a fresh campaign by the group targeting Russian and Belarusian organizations. The threat actors are distributing phishing emails under the guise of a federal agency. The emails have a legitimate document as an attachment. It aims to lull the recipient’s vigilance and prompt them to open the other file, ...
- UnitedHealth data breach caused by lack of multifactor authentification
May 1, 2024
Hackers breached the computer system of a UnitedHealth Group subsidiary and released ransomware after stealing someone’s password, CEO Andrew Witty testified Wednesday on Capitol Hill. The cybercriminals entered through a portal that didn’t have multifactor authentification (MFA) enabled. During an hourslong congressional hearing, Witty told lawmakers that the company has not yet determined how many patients ...