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Crédit Mutuel Arkéa Supply-Chain Heist: Detection & IOCs

Attackers moved Crédit Mutuel Arkéa's own funds via a provider's platform; 9 detection rules, 12 IOCs and a free Splunk SPL rule.

Read the full threat intel for Crédit Mutuel Arkéa Supply-Chain Heist: Detection & IOCs →

Chapters

  1. 0:00The hookFrench bank reportedly lost about $133 million.
  2. 0:05The storyUSDC left three exchanges in 21 hours.
  3. 0:11Attack pathReportedly, attackers entered through a service provider.
  4. 0:27AttributionNo threat actor is attributed.
  5. 0:32Indicators of compromiseNo malicious indicators were published.
  6. 0:38MITRE ATT&CK techniques5 ATT&CK techniques, from resource development to impact.
  7. 0:43Remediation4 steps now: Audit and restrict service-provider platform access to payment, treasury.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00French bank reportedly lost about $133 million.

0:05USDC left three exchanges in 21 hours.

0:08The bank disclosed the attack.

0:11Reportedly, attackers entered through a service provider.

0:15They reached the bank directly.

0:17Fraudulent transfers went to other banking organizations.

0:20Funds swapped to ETH, then turned into Monero.

0:27No threat actor is attributed. Confidence: low.

0:32No malicious indicators were published.

0:385 ATT&CK techniques, from resource development to impact.

0:434 steps now: Audit and restrict service-provider platform access to payment, treasury.

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

0:56Threadlinqs. The unified security engineering platform.