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:
- Multiple North Korean threat actors exploiting the TeamCity CVE-2023-42793 vulnerability
October 18, 2023
Since early October 2023, Microsoft has observed two North Korean nation-state threat actors – Diamond Sleet and Onyx Sleet – exploiting CVE-2023-42793, a remote-code execution vulnerability affecting multiple versions of JetBrains TeamCity server. TeamCity is a continuous integration/continuous deployment (CI/CD) application used by organizations for DevOps and other software development activities. In past operations, Diamond ...
- Government-backed actors exploiting WinRAR vulnerability
October 18, 2023
In recent weeks, Google’s Threat Analysis Group’s (TAG) has observed multiple government-backed hacking groups exploiting the known vulnerability, CVE-2023-38831, in WinRAR, which is a popular file archiver tool for Windows. Cybercrime groups began exploiting the vulnerability in early 2023, when the bug was still unknown to defenders. A patch is now available, but many users still ...
- Updated MATA attacks industrial companies in Eastern Europe
October 18, 2023
In early September 2022, Kaspersky researchers discovered several new malware samples belonging to the MATA cluster. As they were collecting and analyzing the relevant telemetry data, they realized the campaign had been launched in mid-August 2022 and targeted over a dozen corporations in Eastern Europe from the oil and gas sector and defense industry. The actors ...
- Cisco IOS XE Software Web UI Privilege Escalation Vulnerability
October 17, 2023
Cisco is aware of active exploitation of a previously unknown vulnerability in the web UI feature of Cisco IOS XE Software when exposed to the internet or to untrusted networks. This vulnerability allows a remote, unauthenticated attacker to create an account on an affected system with privilege level 15 access. The attacker can then use that ...
- Remediation for Citrix NetScaler ADC and Gateway Vulnerability (CVE-2023-4966)
October 17, 2023
On Oct. 10, 2023, Citrix released a security bulletin for a sensitive information disclosure vulnerability (CVE-2023-4966) impacting NetScaler ADC and NetScaler Gateway appliances. Mandiant has identified zero-day exploitation of this vulnerability in the wild beginning in late August 2023. Successful exploitation could result in the ability to hijack existing authenticated sessions, therefore bypassing multifactor authentication ...
- DarkGate Opens Organizations for Attack via Skype, Teams
October 17, 2023
From July to September, Trend Micro observed the DarkGate campaign (detected by Trend Micro as TrojanSpy.AutoIt.DARKGATE.AA) abusing instant messaging platforms to deliver a VBA loader script to victims. This script downloaded and executed a second-stage payload consisting of a AutoIT scripting containing the DarkGate malware code. It’s unclear how the originating accounts of the instant messaging ...