Gootkit Malware Adopts New Tactics to Attack Healthcare and Finance Firms

The Gootkit malware is prominently going after healthcare and finance organizations in the U.S., U.K., and Australia, according to new findings from Cybereason. The cybersecurity firm said it investigated a Gootkit incident in December 2022 that adopted a new method of deployment, with the actors...

Russian Hackers Using Graphiron Malware to Steal Data from Ukraine

A Russia-linked threat actor has been observed deploying a new information-stealing malware in cyber attacks targeting Ukraine. Dubbed Graphiron by Broadcom-owned Symantec, the malware is the handiwork of an espionage group known as Nodaria , which is tracked by the Computer Emergency Response Te...

Russian Hackers Using Graphiron Malware to Steal Data from Ukraine

A Russia-linked threat actor has been observed deploying a new information-stealing malware in cyber attacks targeting Ukraine. Dubbed Graphiron by Broadcom-owned Symantec, the malware is the handiwork of an espionage group known as Nodaria, which is tracked by the Computer Emergency Response Tea...

Infection and Evolution of the GOOTLOADER Malware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary GOOTLOADER malware infects via malicious archive download, executing JavaScript and PowerShell, delivering FONELAUNCH, Cobalt Strike BEACON/SNOWCONE, with the latest variant writing JavaScript to disk an...

Gootkit Malware Continues to Evolve with New Components and Obfuscations

The threat actors associated with the Gootkit malware have made "notable changes" to their toolset, adding new components and obfuscations to their infection chains. Google-owned Mandiant is monitoring the activity cluster under the moniker UNC2565 , noting that the usage of the malware is...

Threat Actors Turn to Sliver as Open Source Alternative to Popular C2 Frameworks

The legitimate command-and-control C2 framework known as Sliver is gaining more traction from threat actors as it emerges as an open source alternative to Cobalt Strike and Metasploit. The findings come from Cybereason, which detailed its inner workings in an exhaustive analysis last week. Sliver...

VulnCheck KEV: CVE-2022-39197

Fortra Cobalt Strike contains a cross-site scripting XSS vulnerability in Teamserver that would allow an attacker to set a malformed username in the Beacon configuration, allowing them to execute code remotely...

IcedID Malware Strikes Again: Active Directory Domain Compromised in Under 24 Hours

A recent IcedID malware attack enabled the threat actor to compromise the Active Directory domain of an unnamed target less than 24 hours after gaining initial access, while also borrowing techniques from other groups like Conti to meet its goals. "Throughout the attack, the attacker followed a...

IcedID Malware Strikes Again: Active Directory Domain Compromised in Under 24 Hours

A recent IcedID malware attack enabled the threat actor to compromise the Active Directory domain of an unnamed target less than 24 hours after gaining initial access, while also borrowing techniques from other groups like Conti to meet its goals. "Throughout the attack, the attacker followed a...

Silence is golden partner for Truebot and Clop ransomware

A recent rise in the number of Truebot infections has been attributed to a threat actor known as the Silence Group. The Silence Group is an initial access broker IAB that frequently changes tools and tactics to stay on top of the game. An IAB's primary task is to find a weakness or vulnerability,...

Truebot exploits vulnerability in Netwrix to deploy Clop Ransomware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary In 2017, Truebot was discovered to be linked to the Silence group and has affected more than 1,500 systems worldwide with shellcode, Cobalt Strike beacons, Grace malware, the Teleport tool, and Clop...

Exploit for Cross-site Scripting in Helpsystems Cobalt_Strike

CVE-2022-39197 RCE POC Reference Links https://mp...

Black Basta Ransomware Gang Actively Infiltrating U.S. Companies with Qakbot Malware

Companies based in the U.S. have been at the receiving end of an "aggressive" Qakbot malware campaign that leads to Black Basta ransomware infections on compromised networks. "In this latest campaign, the Black Basta ransomware gang is using QakBot malware to create an initial point of entry and...

Nighthawk Likely to Become Hackers' New Post-Exploitation Tool After Cobalt Strike

A nascent and legitimate penetration testing framework known as Nighthawk is likely to gain threat actors' attention for its Cobalt Strike-like capabilities. Enterprise security firm Proofpoint said it detected the use of the software in mid-September 2022 by a red team with a number of test emai...

Google Identifies 34 Cracked Versions of Popular Cobalt Strike Hacking Toolkit in the Wild

Google Cloud last week disclosed that it identified 34 different hacked release versions of the Cobalt Strike tool in the wild, the earliest of which shipped in November 2012. The versions, spanning 1.44 to 4.7, add up to a total of 275 unique JAR files, according to findings from the Google Clou...

BumbleBee leverages Zerologon to get Domain Controller Access

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Since May 2022, threat actors are leveraging BumbleBee as an initial vector from a Contact Forms campaign. The intrusion started with the delivery of an ISO file that contained an LNK and a DLL. Using...

BATLOADER- Evasive Malware leverages SEO poisoning

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary "BatLoader" dropper is used to dispense a range of malware tools on victim devices, including a banking Trojan, an information stealer, and the Cobalt Strike post-exploit toolkit. BatLoader malware actor...

RDPHijack-BOF - Cobalt Strike Beacon Object File (BOF) That Uses WinStationConnect API To Perform Local/Remote RDP Session Hijacking

Cobalt Strike Beacon Object File BOF that uses WinStationConnect API to perform local/remote RDP session hijacking. With a valid access token / kerberos ticket e.g., golden ticket of the session owner, you will be able to hijack the session remotely without dropping any beacon/tool on the target...

OPERA1ER APT Hackers Targeted Dozens of Financial Organizations in Africa

A French-speaking threat actor dubbed OPERA1ER has been linked to a series of more than 30 successful cyber attacks aimed at banks, financial services, and telecom companies across Africa, Asia, and Latin America between 2018 and 2022. According to Singapore-headquartered cybersecurity company...

Server-side attacks, C&C in public clouds and other MDR cases we observed

Introduction This report describes several interesting incidents observed by the Kaspersky Managed Detection and Response MDR team. The goal of the report is to inform our customers about techniques used by attackers. We hope that learning about the attacks that took place in the wild helps you t...