Group 72

This is a collection of rules based on the presence of indicators of compromise publicly reported as associated with this malicious actor.

Group 72 is a cyber espionage group suspected to be associated with the Chinese government. This group is responsible for the Operation SMN campaign. While both this group and the Winnti group use the malware Winnti for Windows, the two groups appear to be distinct based on differences in reporting on the groups' TTPs and targeting.

Suspicious DNS Request - Group 72 Related Domain Observed

Description

This detection identifies a request to resolve a domain publicly reported as associated with this malicious actor. Malicious actors may use compromised websites for malicious purposes.

Recommendation

This alert may have been caused by normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.

MITRE ATT&CK Techniques

  • Acquire Infrastructure - T1583
  • Domains - T1583.001
  • Compromise Infrastructure - T1584
  • Domains - T1584.001
Suspicious Process - Group 72 Related Binary Executed

Description

This detection identifies the execution of a file with a hash publicly reported as associated with this malicious actor. Malicious actors may use common System Administration tools for malicious purposes.

Recommendation

Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.

Suspicious Web Request - Group 72 Related Domain Observed

Description

This detection identifies a request to a domain publicly reported as associated with this malicious actor. Malicious actors may compromise websites for malicious purposes.

Recommendation

This alert may have been caused by normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.

MITRE ATT&CK Techniques

  • Acquire Infrastructure - T1583
  • Domains - T1583.001
  • Virtual Private Server - T1583.003
  • Server - T1583.004
  • Compromise Infrastructure - T1584
  • Domains - T1584.001
  • Virtual Private Server - T1584.003
  • Server - T1584.004