In-Memory Ramnit Process Injection Target Spawned by WmiPrvSE in drIBAN Fraud Operation (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-08-29
Updated
2026-08-29

ATT&CK techniques

Execution → Defense Evasion
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects the WMI provider host WmiPrvSE.exe spawning ImagingDevices.exe, Wab.exe, or Wabmig.exe, the seldom-executed signed Windows binaries that Ramnit uses as injection hosts after sLoad delivery in the drIBAN banking-fraud operation. Adversaries launch these low-noise processes from WMI to host injected banking-trojan code under a trusted image, making early detection critical for surfacing the intrusion before man-in-the-browser fraud.

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Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.