Access To Crypto Currency Wallets By Unusual Applications (via file_access)

This rule detects file access requests to crypto currency files by uncommon processes. Could indicate potential attempt of crypto currency wallet stealing.

SigmamediumWindowsv1
sigma
title: Access To Crypto Currency Wallets By Unusual Applications (via file_access)
id: ef47be9c-147a-5234-ba88-2f6f4a034845
status: stable
description: This rule detects file access requests to crypto currency files by uncommon processes. Could indicate potential attempt of crypto currency wallet stealing.
references:
    - https://attack.mitre.org/techniques/T1003/
    - Internal Research
author: Huntrule Team
date: 2026-06-21
tags:
    - attack.t1003
    - attack.credential-access
logsource:
    category: file_access
    product: windows
    definition: 'Requirements: Microsoft-Windows-Kernel-File ETW provider'
detection:
    selection:
        - FileName|contains:
              - '\AppData\Roaming\Ethereum\keystore\'
              - '\AppData\Roaming\EthereumClassic\keystore\'
              - '\AppData\Roaming\monero\wallets\'
        - FileName|endswith:
              - '\AppData\Roaming\Bitcoin\wallet.dat'
              - '\AppData\Roaming\BitcoinABC\wallet.dat'
              - '\AppData\Roaming\BitcoinSV\wallet.dat'
              - '\AppData\Roaming\DashCore\wallet.dat'
              - '\AppData\Roaming\DogeCoin\wallet.dat'
              - '\AppData\Roaming\Litecoin\wallet.dat'
              - '\AppData\Roaming\Ripple\wallet.dat'
              - '\AppData\Roaming\Zcash\wallet.dat'
    filter_main_system:
        Image: System
    filter_main_generic:
        Image|startswith:
            - 'C:\Program Files (x86)\'
            - 'C:\Program Files\'
            - 'C:\Windows\system32\'
            - 'C:\Windows\SysWOW64\'
    filter_optional_defender:
        Image|startswith: 'C:\ProgramData\Microsoft\Windows Defender\'
        Image|endswith:
            - '\MpCopyAccelerator.exe'
            - '\MsMpEng.exe'
    condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

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