Librarian Ghouls, also known as “Rare Werewolf” and “Rezet”, is an APT group that targets entities in Russia and the CIS.
The group has remained active through May 2025, consistently targeting Russian companies. A distinctive feature of this threat is that the attackers favor using legitimate third-party software over developing their own malicious binaries. The malicious functionality of the campaign described in this article is implemented through command files and PowerShell scripts. The attackers establish remote access to the victim’s device, steal credentials, and deploy an XMRig crypto miner in the system. Kaspersky research has uncovered new tools within this APT group’s arsenal, which they will elaborate on in this article.
Read more…
Source: Kaspersky
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- Supernova malware clues link Chinese threat group Spiral to SolarWinds server hacks
March 8, 2021
A possible link to China has been noted by researchers examining the exploit of SolarWinds servers to deploy malware. On Monday, Secureworks’ counter threat unit (CTU) said that during late 2020, a compromised Internet-facing SolarWinds server was used as a springboard to deploy Supernova, a .NET web shell. Similar intrusions on the same network suggest that the ...
- Unpatched QNAP devices are being hacked to mine cryptocurrency
March 8, 2021
Unpatched network-attached storage (NAS) devices are targeted in ongoing attacks where the attackers try to take them over and install cryptominer malware to mine for cryptocurrency. The threat actors exploit two pre-auth remote command execution (RCE) vulnerabilities in the Helpdesk app patched by QNAP in October 2020. Cryptomining malware discovered on NAS devices compromised during this campaign ...
- D-Link, IoT Devices Under Attack By Tor-Based Gafgyt Variant
March 5, 2021
Researchers have discovered what they say is the first variant of the Gafgyt botnet family to cloak its activity using the Tor network. Gafgyt, a botnet that was uncovered in 2014, has become infamous for launching large-scale distributed denial-of-service (DDoS) attacks. Researchers first discovered activity from the newest variant, which they call Gafgyt_tor, on Feb. 15. In ...
- Accellion zero-day claims a new victim in cybersecurity company Qualys
March 4, 2021
Qualys has revealed that a “limited” number of customers may have been impacted by a data breach connected to an Accellion zero-day vulnerability. The cloud security and compliance firm said on Wednesday that the security incident did not have any “operational impact,” but “unauthorized access” had been obtained to an Accellion FTA server used by the ...
- 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 ...