Detectionmediumtest

Sysprep on AppData Folder

Detects suspicious sysprep process start with AppData folder as target (as used by Trojan Syndicasec in Thrip report by Symantec)

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Florian Roth (Nextron Systems)Created Fri Jun 22Updated Sat Nov 27d5b9ae7a-e6fc-405e-80ff-2ff9dcc64e7ewindows

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:
    selection:
        Image|endswith: '\sysprep.exe'
        CommandLine|contains: '\AppData\'
    condition: selection

False Positives

False positives depend on scripts and administrative tools used in the monitored environment

References

MITRE ATT&CK

Tactics

Techniques

Rule Metadata

Rule ID

d5b9ae7a-e6fc-405e-80ff-2ff9dcc64e7e

Status

test

Level

medium

Type

Detection

Created

Fri Jun 22

Modified

Sat Nov 27

Author

Path

rules/windows/process_creation/proc_creation_win_sysprep_appdata.yml

Raw Tags

attack.executionattack.t1059