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Storm-3358 ARTEX Abuse Targets Finance: Detection & IOCs

Storm-3358 uses ARTEX against Southeast Asian finance targets via web shells and RATs. 9 detection rules, 17 IOCs and a free Splunk SPL rule.

Read the full threat intel for Storm-3358 ARTEX Abuse Targets Finance: Detection & IOCs →

Chapters

  1. 0:00The hookEight ARTEX agents active against banks.
  2. 0:04The storyIn October, Storm-3358 abused ARTEX to hit Southeast Asian banks.
  3. 0:12Attack pathReports show ARTEX exploited vulnerabilities.
  4. 0:26AttributionAttributed to Storm-3358.
  5. 0:32Indicators of compromise8 indicators to hunt: 8 IPs.
  6. 0:38MITRE ATT&CK techniques16 ATT&CK techniques, from reconnaissance to collection.
  7. 0:43Remediation4 steps now: Block and hunt for the eight listed IPs.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Eight ARTEX agents active against banks.

0:05In October, Storm-3358 abused ARTEX to hit Southeast Asian banks.

0:12Reports show ARTEX exploited vulnerabilities.

0:15Deployed web shells for persistence.

0:18Then pulled WISP, vshell RAT malware.

0:21Persisted with cron, dumped financial data.

0:26Attributed to Storm-3358. Confidence: medium.

0:338 indicators to hunt: 8 IPs.

0:3816 ATT&CK techniques, from reconnaissance to collection.

0:434 steps now: Block and hunt for the eight listed IPs.

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

0:56Threadlinqs. The unified security engineering platform.