AdFind Recon
A threat actor logged into the RDP honeypot from 217[.]182[.]242[.]13 (OVH) with a hostname of WORK9F3B. Within 20 seconds they opened a command prompt and issued the following commands They … Read More
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IcedID Macro Ends in Nokoyawa Ransomware
Threat actors have moved to other means of initial access, such as ISO files combined with LNKs or OneNote payloads, but some appearances of VBA macros in Office documents can … Read More
Malicious ISO File Leads to Domain Wide Ransomware
IcedID continues to deliver malspam emails to facilitate a compromise. This case covers the activity from a campaign in late September of 2022. Post exploitation activities detail some familiar and … Read More
2022 Year in Review
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
Emotet Strikes Again – LNK File Leads to Domain Wide Ransomware
In June of 2022, we observed a threat actor gaining access to an environment via Emotet and operating over a eight day period. During this time period, multiple rounds of … Read More
BumbleBee Zeros in on Meterpreter
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
Follina Exploit Leads to Domain Compromise
In early June 2022, we observed an intrusion where a threat actor gained initial access by exploiting the CVE-2022-30190 (Follina) vulnerability which triggered a Qbot infection chain. Qbot, also known … Read More
BumbleBee: Round Two
In this intrusion from May 2022, the threat actors used BumbleBee as the initial access vector. BumbleBee has been identified as an initial access vector utilized by several ransomware affiliates. … Read More
Dead or Alive? An Emotet Story
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
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
SANS Ransomware Summit 2022, Can You Detect This?
This report is a companion to the SANS Ransomware Summit 2022 “Can You Detect This” presentation today 6/16/22 @ 14:40 UTC (10:40 AM ET). Slides: SANS Ransomware Summit 2022 – … Read More
Quantum Ransomware
In one of the fastest ransomware cases we have observed, in under four hours the threat actors went from initial access, to domain wide ransomware. The initial access vector for … Read More
Stolen Images Campaign Ends in Conti Ransomware
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
2021 Year In Review
As we come to the end of the first quarter of 2022, we want to take some time to look back over our cases from 2021, in aggregate, and look … Read More
Qbot and Zerologon Lead To Full Domain Compromise
In this intrusion (from November 2021), a threat actor gained its initial foothold in the environment through the use of Qbot (a.k.a. Quakbot/Qakbot) malware. Soon after execution of the Qbot … Read More
Diavol Ransomware
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
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
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
BazarLoader and the Conti Leaks
Intro In July, we observed an intrusion that started from a BazarLoader infection and lasted approximately three days. The threat actor’s main priority was to map the domain network, while … Read More
Cobalt Strike, a Defender’s Guide
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
BazarCall to Conti Ransomware via Trickbot and Cobalt Strike
Intro This report will go through an intrusion that went from an Excel file to domain wide ransomware. The threat actors used BazarCall to install Trickbot in the environment which … Read More