This post explores some of the TTPs employed by a threat actor who were observed deploying LockBit 3.0 ransomware during an incident response engagement.
Climbing Mount Everest: Black-Byte Bytes Back?
In the Threat Pulse released in November 2021 we touched on Everest Ransomware group. This latest blog documents the TTPs employed by a group who were observed deploying Everest ransomware during a recent incident response engagement.
Shining the Light on Black Basta
This blog post documents some of the TTPs employed by a threat actor group who were observed deploying Black Basta ransomware during a recent incident response engagement, as well as a breakdown of the executable file which performs the encryption.
Metastealer – filling the Racoon void
MetaStealer is a new information stealer variant designed to fill the void following Racoon stealer suspending operations in March of this year.
North Korea’s Lazarus: their initial access trade-craft using social media and social engineering
This blog post documents some of the actions taken during the initial access phase for an attack attributed to Lazarus, along with analysis of the malware that was utilised during this phase.
Adventures in the land of BumbleBee – a new malicious loader
BUMBLEBEE is a new malicious loader that is being used by several threat actors and has been observed to download different malicious samples. This post provides our initial analysis
TA505 exploits SolarWinds Serv-U vulnerability (CVE-2021-35211) for initial access
NCC Group’s global Cyber Incident Response Team has observed an increase in Clop ransomware victims in the past weeks. The surge can be traced back to a vulnerability in SolarWinds Serv-U that is being abused by the TA505 threat actor. TA505 is a known cybercrime threat actor, who is known for extortion attacks using the … Continue reading TA505 exploits SolarWinds Serv-U vulnerability (CVE-2021-35211) for initial access
SnapMC skips ransomware, steals data
Over the past few months NCC Group has observed an increasing number of data breach extortion cases, where the attacker steals data and threatens to publish said data online if the victim decides not to pay. Given the current threat landscape, most notable is the absence of ransomware or any technical attempt at disrupting the … Continue reading SnapMC skips ransomware, steals data
Detecting and Hunting for the Malicious NetFilter Driver
Category: Detection and Threat Hunting Overview During the week of June 21st, 2021, information security researchers from G Data discovered that a driver for Microsoft Windows named “netfilter.sys” had a backdoor added by a 3rd party that Microsoft then signed as a part of the Microsoft OEM program. The malicious file is installed on a … Continue reading Detecting and Hunting for the Malicious NetFilter Driver