title: Renamed ZOHO Dctask64
id: 340a090b-c4e9-412e-bb36-b4b16fe96f9b
status: experimental
description: Detects a renamed dctask64.exe used for process injection, command execution, process creation with a signed binary by ZOHO Corporation
references:
    - https://twitter.com/gN3mes1s/status/1222088214581825540
    - https://twitter.com/gN3mes1s/status/1222095963789111296
    - https://twitter.com/gN3mes1s/status/1222095371175911424
author: Florian Roth
date: 2020/01/28
modified: 2020/08/28
tags:
    - attack.defense_evasion
    - attack.t1036
    - attack.t1055.001
    - attack.t1202
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Imphash: '6834B1B94E49701D77CCB3C0895E1AFD'
    filter:
        Image|endswith: '\dctask64.exe'
    condition: selection and not filter
fields:
    - CommandLine
    - ParentCommandLine
    - ParentImage
falsepositives:
    - Unknown yet
level: high