Scarlet Mimic

Scarlet Mimic

Scarlet Mimic is a threat group that has targeted minority rights activists. This group has not been directly linked to a government source, but the group’s motivations appear to overlap with those of the Chinese government. While there is some overlap between IP addresses used by Scarlet Mimic and Putter Panda, researchers have not determined that the groups are the same.

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

Suspicious DNS Request - Scarlet Mimic 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. This detection is powered by the Rapid7 Threat Command Threat Library.

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 - Scarlet Mimic 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. This detection is powered by the Rapid7 Threat Command Threat Library.

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 - Scarlet Mimic 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. This detection is powered by the Rapid7 Threat Command Threat Library.

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