Recently, the SonicWall Capture Labs threat research team has identified various malware strains being distributed through a custom VMDetector Loader. This loader is typically delivered to the victim’s system via image files embedded with steganography. The primary payloads observed include popular malware families such as Remcos, VIPKeyLogger, AveMariaRAT, DCRAT, FormBook, and others.
Attackers send an email with an archive file that includes either JavaScript, VBScript, or HTA content. The embedded scripts employ basic obfuscation through string replacement and base64 encoding, making them appear benign while evading straightforward detection.
Read more…
Source: Sonicwall
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- New Horabot campaign targets the Americas
June 1, 2023
Cisco Talos has observed a threat actor deploying a previously unidentified botnet program Talos is calling “Horabot,” which delivers a known banking trojan and spam tool onto victim machines in a campaign that has been ongoing since at least November 2020. The threat actor appears to be targeting Spanish-speaking users in the Americas and, based on ...
- CISA Releases Five Industrial Control Systems Advisories
June 1, 2023
CISA released five Industrial Control Systems (ICS) advisories on June 1, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-152-01 Advantech WebAccess-SCADA ICSA-23-152-02 HID Global SAFE ICSA-22-256-03 Delta Electronics DIAEnergie (Update A) Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- Critical Barracuda 0-day was used to backdoor networks for 8 months
May 31, 2023
A critical vulnerability patched 10 days ago in widely used email software from IT security company Barracuda Networks has been under active exploitation since October. The software bug, tracked as CVE-2023-2868, is a remote-command injection vulnerability that stems from incomplete input validation of user-supplied .tar files, which are used to pack or archive multiple files. Read more… Source: ...
- Gigabyte motherboards come with a hidden firmware backdoor
May 31, 2023
Component supplier Gigabyte has some pressing questions to answer. The first and most pressing is, “Why did you put an updater backdoor into your own motherboard firmware without telling anyone?” The second is, “Why didn’t you lock it down in any meaningful way, hoping that it would stay secure simply by not being known?” Read more… Source: ...
- Lazarus hackers target Windows IIS web servers for initial access
May 29, 2023
The notorious North Korean state-backed hackers, known as the Lazarus Group, are now targeting vulnerable Windows Internet Information Services (IIS) web servers to gain initial access to corporate networks. Lazarus is primarily financially motivated, with many analysts believing that the hackers’ malicious activities help fund North Korea’s weapons development programs. However, the group has also been ...
- Senegalese government websites hit with cyber attack
May 27, 2023
A group of hackers called Mysterious Team made multiple Senegalese government websites go offline overnight on Friday by hitting them with denial-of-service (DDoS) attacks, a government spokesperson said. The group claimed responsibility for the cyber attacks in a series of Twitter posts using the hashtag #FreeSenegal used by campaigners alleging political repression in Senegal. Read more… Source: Reuters