Detectionhightest
Renamed ZOHO Dctask64 Execution
Detects a renamed "dctask64.exe" execution, a signed binary by ZOHO Corporation part of ManageEngine Endpoint Central. This binary can be abused for DLL injection, arbitrary command and process execution.
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Launch
Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)Created Tue Jan 28Updated Wed Jan 22340a090b-c4e9-412e-bb36-b4b16fe96f9bwindows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection:
Hashes|contains:
- 'IMPHASH=6834B1B94E49701D77CCB3C0895E1AFD'
- 'IMPHASH=1BB6F93B129F398C7C4A76BB97450BBA'
- 'IMPHASH=FAA2AC19875FADE461C8D89DCF2710A3'
- 'IMPHASH=F1039CED4B91572AB7847D26032E6BBF'
filter_main_legit_name:
Image|endswith: '\dctask64.exe'
condition: selection and not 1 of filter_main_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
340a090b-c4e9-412e-bb36-b4b16fe96f9b
Status
test
Level
high
Type
Detection
Created
Tue Jan 28
Modified
Wed Jan 22
Path
rules/windows/process_creation/proc_creation_win_renamed_dctask64.yml
Raw Tags
attack.privilege-escalationattack.defense-evasionattack.t1036attack.t1055.001attack.t1202attack.t1218