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:
- Nvidia releases security update for high-severity graphics driver vulnerabilities
January 8, 2021
Nvidia has released a round of security fixes tackling high-severity issues in the Nvidia GPU display driver and vGPU software. Released on Thursday, the technology giant said the patches deal with issues that “may lead to denial of service, escalation of privileges, data tampering, or information disclosure.” In total, Nvidia has resolved 16 vulnerabilities linked to the ...
- Adversary Infrastructure Report 2020: A Defender’s View
January 8, 2021
Recorded Future tracks the creation and modification of new malicious infrastructure for a multitude of post-exploitation toolkits, custom malware frameworks, and open-source remote access trojans. The effort has been ongoing since 2017, when Insikt Group created methodologies to identify the deployments of open-source remote access trojans (RATs). Recorded Future collected over 10,000 unique command and control ...
- TA551: Email Attack Campaign Switches from Valak to IcedID
January 7, 2021
TA551 (also known as Shathak) is an email-based malware distribution campaign that often targets English-speaking victims. The campaign discussed in this blog has targeted German, Italian and Japanese speakers. TA551 has historically pushed different families of information-stealing malware like Ursnif and Valak. After mid-July 2020, this campaign has exclusively pushed IcedID malware, another information stealer. This ...
- FBI warns of Egregor ransomware extorting businesses worldwide
January 7, 2021
The US Federal Bureau of Investigation (FBI) has sent a security alert warning private sector companies that the Egregor ransomware operation is actively targeting and extorting businesses worldwide. The FBI says in a TLP:WHITE Private Industry Notification (PIN) shared on Wednesday that Egregor claims to have already hit and compromised more than over 150 victims since ...
- Windows PsExec zero-day vulnerability gets a free micropatch
January 7, 2021
A free micropatch fixing a local privilege escalation (LPE) vulnerability in Microsoft’s Windows PsExec management tool is now available through the 0patch platform. PsExec is a fully interactive telnet-replacement that allows system admins to execute programs on remote systems. PsExec tool is also integrated into and used by enterprise tools to remotely launch executables on other ...
- North Korean hackers launch RokRat Trojan in campaigns against the South
January 7, 2021
A North Korean hacking group is utilizing the RokRat Trojan in a fresh wave of campaigns against the South Korean government. The Remote Access Trojan (RAT) has been connected to attacks based on the exploit of a Korean language word processor commonly used in South Korea for several years; specifically, the compromise of Hangul Office documents ...