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It’s time to take your threat intelligence to the skies. Today’s attackers can easily contort malware and switch up their infrastructure, leaving security teams that chase attackers with static indicators and artifacts constantly feeling a step behind. While IP addresses, processes, and domains change, there is an underlying set of stealthy attacker techniques that foreshadow every successful breach.
At Rapid7, we see a constant stream of threats, from the Metasploit project, our Managed Detection and Response customers, and incident response and penetration testing engagements. During threat investigations, our expert analysts zero in on these stealthy techniques, while researching the attacker’s targets and goal. This intelligence is crafted into Attacker Behavior Analytics (ABA) detections, which can find malicious behaviors even if they have been altered to evade prevention defenses.
Try the threat hunting tech that powers the Rapid7 SOCs. Get up and running in an hour, no hardware or data expertise required.
Below is a list of released ABA detections, all of which come with our threat detection solution, InsightIDR, and automatically match against your data in real time. This is threat intelligence that moves at the speed of the attacker—if a new exploit comes out, our team will craft a detection, test it against the Rapid7 Insight platform, and deploy it in InsightIDR—all within hours. Still craving that aged, open-source threat feed now?
Verticals targeted: All, utilized via legitimate Windows protocol
Remote Desktop Protocol (RDP) is a legitimate protocol used for remote management of Windows systems, however it is often abused by attackers to gain access and control of systems. One way attackers gain access is by brute forcing RDP passwords. This threat identifies all source IPs seen to authenticate more that 50 times against RDP across ALL Heisenberg honeypots during the previous day.
Detections added to InsightIDR: 20, which identify IPs authenticating against RDP across Heisenberg honeypots.
Malicious Document Threat: 1 new behavior added — Word Spawns Executable from Users Directory
Malicious PowerShell: 2 new behaviors added — Obfuscated Script and Download Cradles
Privilege Escalation: 2 new behaviors added — UACMe Privilege Escalation Tool, Company Name in Binary Metadata; and UACMe Privilege Escalation Tool, Original Name in Binary Metadata
Credential Theft: 4 new behaviors added — Mimikatz Flats (DumpCreds or DumpCerts), Mimikatz Sekurlsa, Mimipenguin, and Hashcat
Verticals targeted: Telecommunications, satellite communications, mapping and geospacial imaging, defenseThrip is an adversary group identified by Symantec that they have been tracking since 2013. This adversary group focuses on espionage activities, primarily targeting telecommunications, satellite communications, mapping and geospatial imaging, and defense contractors in the United States and Southeast Asia. They use a combination of malware and other tools such as PSExec and Mimikatz to compromise and move through systems, identifying and exfiltrating information.
Detections added to InsightIDR: 123, which identify activity around specific trojans and backdoors.
Verticals targeted: All
An attacker may use legitimate remote access software, such as Ammyy Admin, to create a command and control ability to target systems. These services are commonly used as legitimate technical support software and may be whitelisted in an environment. Admin tools such as Ammyy Admin are commonly used by attackers, as seen by the Rapid7 MDR SOC.
Detections added to InsightIDR: 3, which look for the presense of Ammy Admin.
Verticals targeted: AllVPNFilter is a new modular malware tracked by Cisco's Talos group. This malware has been primarily targeting home and small business routers, namely MikroTik, Netgear, Linksys, and QNAP network storage devices. This malware can be used for website credential theft and data collection, and has a destructive capability where the firmware can be destroyed, thus causing the device to be unusable.
Detections added to InsightIDR: 51, which identify specific indicators related to VPNFilter activity.
Verticals targeted: All
PowerShell is an interactive command-line interface and scripting environment included in the Windows operating system. Adversaries can use PowerShell to perform a number of actions, including discovery of information and execution of code. These are behaviors that are commonly used by attackers, as seen by the Rapid7 MDR SOC.
Detections added to InsightIDR: 10, which identify specific behaviors related to malicious PowerShell activity.
Verticals targeted: All, presents as phishing email
The Valyria Downloader is a trojan that is sent via phishing emails, often using "invoice overdue" or "outstanding payment" themed emails. Once the emails are opened, the downloader will initiate a connection to a command and control domain to download additional files, typical associated with the URSNIF data-stealing malware family.
Detections added to InsightIDR: 9, which identify hashes related to the downloader installation and malicious documents, and the use of Powershell spawning process out of Users/Public/Documents.
OilRig is a threat group tracked by Palo Alto Labs' Unit 42. They primarily target organizations in the Middle Eastern region, however, this group has targeted organizations outside of the Middle East as well. OilRig often leverages the trust relationship between organizations to attack their primary targets. The OilRig threat group overlaps with APT 34.
Detections added to InsightIDR: 9, which identify malicious credential harvesting domains and a tactic where an adversary dumps credentials from the command line, often seen with Mimikatz.
Verticals targeted: Healthcare, manufacturing, agricultureSymantec has identified an attack group named Orangeworm, who are deploying the Kwampirs backdoor in a targeted attack campaign against the healthcare, manufacturing, and agriculture sectors, as well as information technology companies who support these industries. This attack group and malware are both noisy and do not try to hide their activity, relying primarily on their targeting of older devices that are often not well monitored.
Detections added to InsightIDR: 43, which identify dropper and payload hashes, along with connections to command & control IP addresses.
Verticals targeted: None, offered as ransomware-as-a-service
Satan Ransomware appeared in early 2017 and was one of the original "Ransomware as a Service" offerings on dark websites. The ransomware is spread via phishing emails or malicious links, and has recently been updated to include the EternalBlue SMB exploit for spreading within a network.
Detections added to InsightIDR: 6, which identify variants of the Satan ransomware and dropper, the EternalBlue SMB exploit, and suspicious associated command line activity.
Verticals targeted: None, spreads via USB drivesFauxpersky is a new keylogger malware disguised as Kaspersky antivirus. The malware is based on the AutoHotKey app, which lets users write codes to automate tasks. Researchers say that the malware is highly efficient, self propagating, and persistent. It infects Windows PCs by spreading through USB drives and then replicates to all the drives on the machine. Fauxpersky then collects data using Google Forms, sends that data to the attackers' inbox, and deletes the original data from the drive.
Detections added to InsightIDR: 6, which identify variants of the Fauxpersky malware.
Verticals targeted: Healthcare, government, education
SamSam Ransomware is a ransomware variant used by a group tracked as the SamSam Group or Gold Lowell. This group will gain access to the target, often using RDP access or scanning for server-side vulnerabilities, and then deploy their ransomware variant. SamSam is targeted, the actors will often focus on a particular industry or vertical and target organizations within that vertical before moving onto a different focus.
Detections added to InsightIDR: 7, which identify variants of the SamSam ransomware, as well as Shadow Copy deletion, a common ransomware behavior to thwart recovery efforts.