Sleep with one eye open: how Librarian Ghouls steal data by night


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:

  • Germany launches terrorism probe over planned attack on Muslims

    June 8, 2020

    German authorities arrested a 21-year-old man and launched a terrorism investigation after he threatened to carry out an attack targeting Muslims, prosecutors said on Monday. The 21-year-old man from the northern city of Hildesheim made the threat in an anonymous online chat forum on May 29, announcing his intention to carry out an attack “with multiple ...

  • New Avaddon Ransomware launches in massive smiley spam campaign

    June 8, 2020

    With a wink and a smile, the new Avaddon Ransomware has come alive in a massive spam campaign targeting users worldwide. Avaddon was launched at the beginning of this month and is actively recruiting hackers and malware distributors to spread the ransomware by any means possible. As its first known attack, the Avaddon Ransomware is being distributed in ...

  • Hackers are targeting your smartphone as way into the company network

    June 4, 2020

    The number of phishing attacks targeting smartphones as the entry point for attempting to compromise enterprise networks has risen by more than a third over the course of just a few months. Analysis by cybersecurity company Lookout found that there’s been a 37% increase in mobile phishing attacks worldwide between the last three months of 2019 and the first ...

  • Cisco’s warning: Critical flaw in IOS routers allows ‘complete system compromise’

    June 4, 2020

    Cisco has disclosed four critical security flaws affecting router equipment that uses its IOS XE and IOS software. The four critical flaws are part of Cisco’s June 3 semi-annual advisory bundle for IOS XE and IOS networking software, which includes 23 advisories describing 25 vulnerabilities. The 9.8 out of 10 severity bug, CVE-2020-3227, concerns the authorization controls for the ...

  • Tycoon Ransomware Banks on Unusual Image File Tactic

    June 4, 2020

    A new ransomware strain called Tycoon is seeking to wheel and deal its way into the Windows and Linux worlds, using a little-known Java image format as part of its kill chain. The ransomware is housed in a trojanized version of the Java Runtime Environment (JRE), according to researchers at BlackBerry Cylance, and has been around ...

  • U.S. Nuclear Contractor Hit with Maze Ransomware, Data Leaked

    June 4, 2020

    A U.S. military contractor involved in the maintenance of the country’s Minuteman III nuclear arsenal has been hit by the Maze ransomware, according to reports – with the hackers making off with reams of sensitive information. The company, Westech International, has a range of contracts with the military for everything from ongoing evaluation for the ballistic ...