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CopperDragon Sparrow Framework: Detection & IOCs

CopperDragon's Sparrow framework powers China-nexus attacks in Europe, Asia and Latin America. Adds 9 detection rules, 32 IOCs and a free Splunk SPL rule.

Read the full threat intel for CopperDragon Sparrow Framework: Detection & IOCs →

Chapters

  1. 0:00The hookOne framework, three campaigns.
  2. 0:04The storyLegitimate websites were compromised.
  3. 0:10Attack pathA script fingerprints visitors.
  4. 0:23AttributionAttributed to CopperDragon.
  5. 0:27Indicators of compromise32 indicators to hunt: 7 IPs, 14 domains and 9 SHA-256 hashes, and more.
  6. 0:37MITRE ATT&CK techniques25 ATT&CK techniques, from initial access to command and control.
  7. 0:42Remediation4 steps now: Block and hunt the published domains, IPs and SHA-256 hashes.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00One framework, three campaigns.

0:05Legitimate websites were compromised.

0:07Visitors saw a fake warning.

0:11A script fingerprints visitors.

0:13Then a fake certificate error appears.

0:15A loader runs SquadC in memory.

0:17Persistence uses a Run key.

0:23Attributed to CopperDragon. Confidence: medium.

0:2732 indicators to hunt: 7 IPs, 14 domains and 9 SHA-256 hashes, and more.

0:3725 ATT&CK techniques, from initial access to command and control.

0:424 steps now: Block and hunt the published domains, IPs and SHA-256 hashes.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.