- Agent Tesla Keylogger Gets Data Theft and Targeting Update
December 15, 2020
Six-year-old keylogger malware called Agent Tesla has been updated again, this time with expanded targeting and improved data exfiltration features. Agent Tesla first came into the scene in 2014, specializing in keylogging (designed to record keystrokes made by a user in order to exfiltrate data like credentials and more) and data-stealing. Since then keylogger has only ...
- Using MITRE ATT&CK to Identify an APT Attack
December 15, 2020
Security teams and researchers depend on publicly documented analyses of tools, routines, and behaviors to update themselves on the latest findings in the cybersecurity landscape. Published information serves as a reference for the known tactics, techniques, and procedures (TTPs) to install defenses against advance persistent threats (APTs) and prevent attacks that are likely to occur ...
- Investigating the Gootkit Loader
December 11, 2020
Since October 2020, we saw an increase in the number of Gootkit cases targeting users in Germany. We investigated this development and found that the Gootkit loader was now capable of sophisticated behavior that enabled it to surreptitiously load itself onto an affected system and make analysis and detection more difficult. This capability was used to ...
- MountLocker ransomware gets slimmer, now encrypts fewer files
December 11, 2020
MountLocker ransomware received an update recently that cut its size by half but preserves a weakness that could potentially allow learning the random key used to encrypt files. This ransomware operation started in July 2020, and it targets corporate networks. Its operators steal data before encrypting it and threaten victims to leak files unless their multi-million ...
- Rana Android Malware Updates Allow WhatsApp, Telegram IM Snooping
December 7, 2020
Researchers have discovered new samples of a previously discovered Android malware, which is believed to be linked to the APT39 Iranian cyberespionage threat group. The new variant comes with new surveillance capabilities – including the ability to snoop on victims’ Skype, Instagram and WhatsApp instant messages. According to U.S. feds, the developers of this malware are ...
- The chronicles of Emotet
December 4, 2020
More than six years have passed since the banking Trojan Emotet was first detected. During this time it has repeatedly mutated, changed direction, acquired partners, picked up modules, and generally been the cause of high-profile incidents and multimillion-dollar losses. The malware is still in fine fettle, and remains one of the most potent cybersecurity threats ...
- What did DeathStalker hide between two ferns?
December 3, 2020
DeathStalker is a threat actor who has been active starting 2012 at least, and we exposed most of his past activities in a previous article, as well as during a GREAT Ideas conference in August 2020. The actor draught our attention in 2018, because of distinctive attacks characteristics that did not fit the usual cybercrime ...
- TrickBot’s new module aims to infect your UEFI firmware
December 3, 2020
The developers of TrickBot have created a new module that probes for UEFI vulnerabilities, demonstrating the actor’s effort to take attacks at a level that would give them ultimate control over infected machines. With access to UEFI firmware, a threat actor would establish on the compromised machine persistence that resists operating system reinstalls or replacing of ...
- Turla’s ‘Crutch’ Backdoor Leverages Dropbox in Espionage Attacks
December 2, 2020
Researchers have discovered a previously undocumented backdoor and document stealer, which they have linked to the Russian-speaking Turla advanced persistent threat (APT) espionage group. The malware, which researchers call “Crutch,” is able to bypass security measures by abusing legitimate tools – including the file-sharing service Dropbox – in order to hide behind normal network traffic. Researchers ...
- Malicious npm packages caught installing remote access trojans
December 1, 2020
The security team behind the “npm” repository for JavaScript libraries removed two npm packages this Monday for containing malicious code that installed a remote access trojan (RAT) on the computers of developers working on JavaScript projects. The name of the two packages was jdb.js and db-json.js., and both were created by the same author and described ...