Access To Crypto Currency Wallets By Uncommon Applications

 Original Source: [Sigma source]
Title: Access To Crypto Currency Wallets By Uncommon Applications
Status: test
Description:Detects file access requests to crypto currency files by uncommon processes. Could indicate potential attempt of crypto currency wallet stealing.
References:
  -Internal Research
Author: X__Junior (Nextron Systems)
Date: 2024-07-29
modified:None
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:
  -Antivirus, Anti-Spyware, Anti-Malware Software
  -Backup software
  -Legitimate software installed on partitions other than "C:\"
  -Searching software such as "everything.exe"
Level: medium