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TTPs for Cactus

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Initial Access (TA0001)	Execution (TA0002)	Persistence (TA0003)	Defense Evasion (TA0005)	Credential Access (TA0006)	Discovery (TA0007)	Lateral Movement (TA0008)	Exfiltration (TA0010)	Command and Control (TA0011)	Impact (TA0040)	Resource Development (TA0042)
Exploit Public-Facing Application (T1190) The group exploits vulnerabilities in VPN applications.	Scheduled Task/Job: Scheduled Task (T1053.005) The group uses task scheduling for file execution for C2 communication and uses ransomware payload persistence.	Create Account (T1136) The group creates a service/system account to launch the ransomware.	Disable or Modify Tools (T1562.001) The group uses modification and disabling of security tools to avoid possible malware and access detection.	Credentials from Web Browsers (T1555.003) The group searches for key files from users' browsers to locate stored passwords to proceed with the attack and access other accounts.	System Network Connections Discovery (T1049) Actors use tools to scan the organization's infrastructure systems.	Remote Services: SSH (T1021.004) The group uses initial access to set up an SSH tunnel to C2.	Exfiltration to Cloud Storage (T1567.002) Actors exfiltrate data to a cloud storage service through tools such as Rclone and others.	Remote Access Software (T1219) Actors use RDP connection to access other devices on the internal network.	Data Encrypted for Impact (T1486) Actors use ransomware payload to encrypt data and change extensions.	Malvertising (T1538.008) The threat actor was identified by Microsoft as responsible for the Danabot campaign via malvertising for final delivery of Ransomware Cactus.
	Software Deployment Tools (T1072) Actors attempt to gain access and use a set of third-party software installed on the network for lateral movement.		Obfuscated Files or Information (T1027) The group uses file obfuscation techniques to avoid detection by defenses.	OS Credential Dumping (T1003.001) The group performs LSASS memory dump to identify credentials.	Account Discovery: Domain Account (T1087.002) Actors use scripts to identify domain accounts of connected users through Windows event logs.	Remote Desktop Protocol (T1021.001) Cactus actors use valid accounts to log into devices via RDP.		Proxy (T1090) Actors use connection proxy to route network traffic between systems to avoid detection by security solutions.
			Obfuscated Files or Information: Software Packing (T1027.002) Actors use packing in ransomware payload to avoid detection by defenses.		Remote System Discovery (T1018) Actors attempt to obtain a list of other systems, hosts, IPs, and any other identifier for lateral movement.	Lateral Tool Transfer (T1570) Actors use tools or other files between systems to prepare files and encrypt data.
					Account Discovery (T1087) Actors attempt to obtain a list of accounts, user names, and valid email addresses for later access.

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