LOLDrivers low experimental sigma

Driver Load - 927e3aef03a8355d236230cace376b3023480a40c5ac08453c07dab343dd1f11

Detects loading of driver 927e3aef03a8355d236230cace376b3023480a40c5ac08453c07dab343dd1f11 via name. According to Sophos X-Ops (Aug 06, 2025), a widely shared EDR-killer toolkit drops/loads a malicious kernel driver signed with compromised or revoked certificates to disable endpoint protections. Variants target many vendors, and are commonly HeartCrypt-packed and used by ransomware groups (e.g., RansomHub, INC). The payload uses hard-coded driver names (e.g., mraml.sys, noedt.sys) and kills security services/processes.

View Source

Detection Logic

{
  "selection_name": {
    "ImageLoaded
| endswith": [
      "\\927e3aef03a8355d236230cace376b3023480a40c5ac08453c07dab343dd1f11"
    ]
  },
  "condition": "selection_name"
}

False Positives

  • Unknown

Field Validations

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