ManageEngine Endpoint Central Dctask64.EXE Potential Abuse

calendar Oct 23, 2025 · attack.privilege-escalation attack.defense-evasion attack.t1055.001  ·
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Detects the execution of "dctask64.exe", a signed binary by ZOHO Corporation part of ManageEngine Endpoint Central. This binary can be abused for DLL injection, arbitrary command and process execution.

Sigma rule (View on GitHub)

 1title: ManageEngine Endpoint Central Dctask64.EXE Potential Abuse
 2id: 6345b048-8441-43a7-9bed-541133633d7a
 3status: test
 4description: |
 5    Detects the execution of "dctask64.exe", a signed binary by ZOHO Corporation part of ManageEngine Endpoint Central.
 6    This binary can be abused for DLL injection, arbitrary command and process execution.    
 7references:
 8    - https://twitter.com/gN3mes1s/status/1222088214581825540
 9    - https://twitter.com/gN3mes1s/status/1222095963789111296
10    - https://twitter.com/gN3mes1s/status/1222095371175911424
11author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
12date: 2020-01-28
13modified: 2025-01-22
14tags:
15    - attack.privilege-escalation
16    - attack.defense-evasion
17    - attack.t1055.001
18logsource:
19    category: process_creation
20    product: windows
21detection:
22    selection_img:
23        - Image|endswith: '\dctask64.exe'
24        - Hashes|contains:
25              - 'IMPHASH=6834B1B94E49701D77CCB3C0895E1AFD'
26              - 'IMPHASH=1BB6F93B129F398C7C4A76BB97450BBA'
27              - 'IMPHASH=FAA2AC19875FADE461C8D89DCF2710A3'
28              - 'IMPHASH=F1039CED4B91572AB7847D26032E6BBF'
29    selection_cli:
30        CommandLine|contains:
31            - ' executecmd64 '
32            - ' invokeexe '
33            - ' injectDll '
34    condition: all of selection_*
35falsepositives:
36    - Unknown
37level: high

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