Bumblebee malware loader emerges as Conti’s BazarLoader fades

A sophisticated malware loader dubbed Bumblebee is being used by at least three cybercriminal groups that have links to ransomware gangs, according to cybersecurity researchers. Gangs using Bumblebee have in the past used the BazarLoader and IcedID loaders – linked Read More …

Yanluowang: Further Insights on New Ransomware Threat

Yanluowang, the ransomware recently discovered by Symantec, a division of Broadcom Software, is now being used by a threat actor that has been mounting targeted attacks against U.S. corporations since at least August 2021. The attacker uses a number of Read More …

BazarLoader Adds Compromised Installers, ISO to Arrival and Delivery Vectors

We continue monitoring the campaigns using information stealer BazarLoader (detected by Trend Micro as TrojanSpy.Win64.BAZARLOADER, TrojanSpy.Win64.BAZARLOADER, and Backdoor.Win64.BAZARLOADER). While InfoSec forums have noted the spike in detections during the third quarter, we noticed two new arrival mechanisms included in the Read More …

Case Study: From BazarLoader to Network Reconnaissance

BazarLoader is Windows-based malware spread through various methods involving email. These infections provide backdoor access that criminals use to determine whether the host is part of an Active Directory (AD) environment. If so, criminals deploy Cobalt Strike and perform reconnaissance Read More …

TrickBot Gang Enters Cybercrime Elite with Fresh Affiliates

The cybercriminals behind the infamous TrickBot trojan have signed two additional distribution affiliates, dubbed Hive0106 (aka TA551) and Hive0107 by IBM X-Force. The result? Escalating ransomware hits on corporations, especially using the Conti ransomware. The development also speaks to the Read More …