Palo Alto researchers have added an additional section to this article that describes the evolution of Muddled Libra activity since the beginning for 2024. This group is a dynamic one, and as members cycle in and out of the group, its knowledgebase and skill set naturally shift. Its toolbox has now expanded to include:
- Social engineering of both end users and helpdesks
- Traditional phishing
- Inside access to business process outsourcers
- Ransomware affiliations for extortion
Read more…
Source: Palo Alto Unit 42
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- New in Ransomware: AlumniLocker, Humble Feature Different Extortion Techniques
March 4, 2021
Trend Micro researchers recently discovered two new ransomware variants, AlumniLocker and Humble, which exhibit different sophisticated behaviors and extortion techniques post-encryption. One of these techniques includes an unusually high ransom payment and a threat to publicize victims’ critical data. These new variants prove that ransomware’s targeted and extortion-focused era is alive and well in 2021. Technical analyses AlumniLocker ...
- Microsoft reveals GoldMax, Sibot and GoldFinder new malware strains used by SolarWinds hackers
March 4, 2021
Microsoft has revealed information on newly found malware the SolarWinds hackers deployed on victims’ networks as second-stage payloads. The company now tracks the “sophisticated attacker” who used the Sunburst backdoor and Teardrop malware during the SolarWinds supply-chain attack as Nobelium. Security researchers with the Microsoft Threat Intelligence Center (MSTIC) and the Microsoft 365 Defender Research Team found ...
- New Sunshuttle Second-Stage Backdoor Uncovered Targeting U.S.-Based Entity; Possible Connection to UNC2452
March 4, 2021
Mandiant Threat Intelligence discovered a new backdoor uploaded by a U.S.-based entity to a public malware repository in August 2020 that we have named SUNSHUTTLE. SUNSHUTTLE is written in GO, and reads an embedded or local configuration file, communicates with a hard-coded command and control (C2) server over HTTPS, and supports commands including remotely uploading ...
- Threat Assessment: Active Exploitation of Four Zero-Day Vulnerabilities in Microsoft Exchange Server
March 4, 2021
On Mar. 2, 2021, Volexity reported in-the-wild-exploitation of four Microsoft Exchange Server vulnerabilities: CVE-2021-26855, CVE-2021-26857, CVE-2021-26858 and CVE-2021-27065. As a result of these vulnerabilities being exploited, adversaries can access Microsoft Exchange Servers and allow installation of additional tools to facilitate long-term access into victims’ environments. There has also been a report of multiple threat actors leveraging ...
- Supermicro, Pulse Secure release fixes for ‘TrickBoot’ attacks
March 4, 2021
Supermicro and Pulse Secure have released advisories warning that some of their motherboards are vulnerable to the TrickBot malware’s UEFI firmware-infecting module, known as TrickBoot. Last year, cybersecurity firms Advanced Intelligence and Eclypsium released a joint report about a new malicious firmware-targeting ‘TrickBoot’ module delivered by the notorious TrickBot malware. When executed, the module will analyze a ...
- Maza Russian cybercriminal forum suffers data breach
March 4, 2021
The Maza cybercriminal forum has reportedly suffered a data breach leading to the leak of user information. On March 3, Flashpoint researchers detected the breach on Maza — once known as Mazafaka — which has been online since at least 2003. Maza is a closed and heavily-restricted forum for Russian-speaking threat actors. The community has been connected ...