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The DFIR Report

Real Intrusions by Real Attackers, The Truth Behind the Intrusion

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Friday, July 04, 2025
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Search Results for: powerview

Nitrogen Campaign Drops Sliver and Ends With BlackCat Ransomware
blackcat cobaltstrike ransomware sliver

Nitrogen Campaign Drops Sliver and Ends With BlackCat Ransomware

editor September 30, 2024

Key Takeaways Contact us today for pricing or a demo! Table of Contents: Case Summary Analysts Initial Access Execution Persistence Privilege Escalation Defense Evasion Credential Access Discovery Lateral Movement Collection Command … Read More

SEO Poisoning to Domain Control: The Gootloader Saga Continues
gootloader

SEO Poisoning to Domain Control: The Gootloader Saga Continues

editor February 26, 2024

Key Takeaways More information about Gootloader can be found in the following reports: The DFIR Report, GootloaderSites, Mandiant, Red Canary, & Kroll. An audio version of this report can be … Read More

Lets Open(Dir) Some Presents: An Analysis of a Persistent Actor’s Activity
metasploit opendir sliver

Lets Open(Dir) Some Presents: An Analysis of a Persistent Actor’s Activity

editor December 18, 2023

This report is a little different than our typical content. We were able to analyze data from a perspective we typically don’t get to see… a threat actor’s host! In … Read More

2022 Year in Review
Year in Review

2022 Year in Review

editor March 6, 2023

As we move into the new year, it’s important to reflect on some of the key changes and developments we observed and reported on in 2022. This year’s year-in-review report … Read More

Collect, Exfiltrate, Sleep, Repeat
autohotkey keylogger

Collect, Exfiltrate, Sleep, Repeat

editor February 6, 2023

In this intrusion from August 2022, we observed a compromise that was initiated with a Word document containing a malicious VBA macro, which established persistence and communication to a command … Read More

ShareFinder: How Threat Actors Discover File Shares
sharefinder Tools

ShareFinder: How Threat Actors Discover File Shares

editor January 23, 2023

Many of our reports focus on adversarial Tactics, Techniques, and Procedures (TTPs) along with the tools associated with them. After gaining a foothold in an environment, one challenge for all … Read More

BumbleBee Zeros in on Meterpreter
adfind bumblebee cobaltstrike Meterpreter

BumbleBee Zeros in on Meterpreter

editor November 14, 2022

In this intrusion from May 2022, the threat actors used BumbleBee as the initial access vector from a Contact Forms campaign. We have previously reported on two BumbleBee intrusions (1, … Read More

Dead or Alive? An Emotet Story
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Dead or Alive? An Emotet Story

editor September 12, 2022

In this intrusion from May 2022, we observed a domain-wide compromise that started from a malware ridden Excel document containing the never-dying malware, Emotet. The post-exploitation started very soon after … Read More

BumbleBee Roasts Its Way to Domain Admin
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BumbleBee Roasts Its Way to Domain Admin

editor August 8, 2022

In this intrusion from April 2022, the threat actors used BumbleBee as the initial access vector. BumbleBee is a malware loader that was first reported by Google Threat Analysis Group … Read More

Stolen Images Campaign Ends in Conti Ransomware
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Stolen Images Campaign Ends in Conti Ransomware

editor April 4, 2022

In this intrusion from December 2021, the threat actors utilized IcedID as the initial access vector. IcedID is a banking trojan that first appeared in 2017, usually, it is delivered … Read More

Diavol Ransomware
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Diavol Ransomware

editor December 13, 2021

In the past, threat actors have used BazarLoader to deploy Ryuk and Conti ransomware, as reported on many occasions. In this intrusion, however, a BazarLoader infection resulted in deployment of … Read More

CONTInuing the Bazar Ransomware Story
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CONTInuing the Bazar Ransomware Story

editor November 29, 2021

In this report we will discuss a case from early August where we witnessed threat actors utilizing BazarLoader and Cobalt Strike to accomplish their mission of encrypting systems with Conti … Read More

IcedID to XingLocker Ransomware in 24 hours
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IcedID to XingLocker Ransomware in 24 hours

editor October 18, 2021

Intro Towards the end of July, we observed an intrusion that began with IcedID malware and ended in XingLocker ransomware, a Mountlocker variant. XingLocker made its first appearance in early … Read More

Cobalt Strike, a Defender’s Guide
cobaltstrike Tools

Cobalt Strike, a Defender’s Guide

editor August 29, 2021

Intro In our research, we expose adversarial Tactics, Techniques and Procedures (TTPs) as well as the tools they use to execute their mission objectives. In most of our cases, we … Read More

IcedID and Cobalt Strike vs Antivirus
adfind cobaltstrike icedid

IcedID and Cobalt Strike vs Antivirus

editor July 19, 2021

Intro Although IcedID was originally discovered back in 2017, it did not gain in popularity until the latter half of 2020.  We have now analyzed a couple ransomware cases in … Read More

Trickbot Brief: Creds and Beacons
trickbot

Trickbot Brief: Creds and Beacons

editor May 2, 2021

Intro “TrickBot malware—first identified in 2016—is a Trojan developed and operated by a sophisticated group of cybercrime actors. The cybercrime group initially designed TrickBot as a banking trojan to steal … Read More

Trickbot Still Alive and Well
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Trickbot Still Alive and Well

editor January 11, 2021

In October of 2020, the group behind the infamous botnet known as Trickbot had a bad few days. The group was under concerted pressure applied by US Cyber Command infiltrating … Read More

Ryuk’s Return
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Ryuk’s Return

editor October 8, 2020

Intro The Ryuk group went from an email to domain wide ransomware in 29 hours and asked for over $6 million to unlock our systems. They used tools such as … Read More

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