{"id":"f41b0311-44f9-44f0-816d-dd45e39d4bc8","title":"Access To Crypto Currency Wallets By Uncommon Applications","description":"Detects file access requests to crypto currency files by uncommon processes.\nCould indicate potential attempt of crypto currency wallet stealing.\n","author":"X__Junior (Nextron Systems)","status":"test","level":"medium","date":"2024-07-29","modified":"","tags":["attack.t1003","attack.credential-access"],"technique_ids":["T1003"],"logsource":{"category":"file_access","product":"windows","definition":"Requirements: Microsoft-Windows-Kernel-File ETW provider"},"falsepositives":["Antivirus, Anti-Spyware, Anti-Malware Software","Backup software","Legitimate software installed on partitions other than \"C:\\\"","Searching software such as \"everything.exe\""],"references":["Internal Research"],"source_path":"rules/windows/file/file_access/file_access_win_susp_crypto_currency_wallets.yml","source_sha256":"5de7cd7e6688228a10422ed797fbb88a96fccde4d64ee3fa18da3fafcd4eac18","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/file/file_access/file_access_win_susp_crypto_currency_wallets.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Access To Crypto Currency Wallets By Uncommon Applications\nid: f41b0311-44f9-44f0-816d-dd45e39d4bc8\nstatus: test\ndescription: |\n    Detects file access requests to crypto currency files by uncommon processes.\n    Could indicate potential attempt of crypto currency wallet stealing.\nreferences:\n    - Internal Research\nauthor: X__Junior (Nextron Systems)\ndate: 2024-07-29\ntags:\n    - attack.t1003\n    - attack.credential-access\nlogsource:\n    category: file_access\n    product: windows\n    definition: 'Requirements: Microsoft-Windows-Kernel-File ETW provider'\ndetection:\n    selection:\n        - FileName|contains:\n              - '\\AppData\\Roaming\\Ethereum\\keystore\\'\n              - '\\AppData\\Roaming\\EthereumClassic\\keystore\\'\n              - '\\AppData\\Roaming\\monero\\wallets\\'\n        - FileName|endswith:\n              - '\\AppData\\Roaming\\Bitcoin\\wallet.dat'\n              - '\\AppData\\Roaming\\BitcoinABC\\wallet.dat'\n              - '\\AppData\\Roaming\\BitcoinSV\\wallet.dat'\n              - '\\AppData\\Roaming\\DashCore\\wallet.dat'\n              - '\\AppData\\Roaming\\DogeCoin\\wallet.dat'\n              - '\\AppData\\Roaming\\Litecoin\\wallet.dat'\n              - '\\AppData\\Roaming\\Ripple\\wallet.dat'\n              - '\\AppData\\Roaming\\Zcash\\wallet.dat'\n    filter_main_system:\n        Image: System\n    filter_main_generic:\n        # This filter is added to avoid large amount of FP with 3rd party software. You should remove this in favour of specific filter per-application\n        Image|startswith:\n            - 'C:\\Program Files (x86)\\'\n            - 'C:\\Program Files\\'\n            - 'C:\\Windows\\system32\\'\n            - 'C:\\Windows\\SysWOW64\\'\n    filter_optional_defender:\n        Image|startswith: 'C:\\ProgramData\\Microsoft\\Windows Defender\\'\n        Image|endswith:\n            - '\\MpCopyAccelerator.exe'\n            - '\\MsMpEng.exe'\n    condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*\nfalsepositives:\n    - Antivirus, Anti-Spyware, Anti-Malware Software\n    - Backup software\n    - Legitimate software installed on partitions other than \"C:\\\"\n    - Searching software such as \"everything.exe\"\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1003","id":"T1003","name":"OS Credential Dumping","page":"techniques/enterprise/T1003/"}],"data_path":"data/detection-rules/f41b0311-44f9-44f0-816d-dd45e39d4bc8.json","kind":"sigma"}