Credential Dumping Attempt Via Svchost

 1title: Credential Dumping Attempt Via Svchost
 2id: 174afcfa-6e40-4ae9-af64-496546389294
 3status: test
 4description: Detects when a process tries to access the memory of svchost to potentially dump credentials.
 5references:
 6    - Internal Research
 7author: Florent Labouyrie
 8date: 2021-04-30
 9modified: 2022-10-09
10tags:
11    - attack.defense-evasion
12    - attack.privilege-escalation
13    - attack.t1548
14logsource:
15    product: windows
16    category: process_access
17detection:
18    selection:
19        TargetImage|endswith: '\svchost.exe'
20        GrantedAccess: '0x143a'
21    filter_main_known_processes:
22        SourceImage|endswith:
23            - '\services.exe'
24            - '\msiexec.exe'
25    condition: selection and not 1 of filter_main_*
26falsepositives:
27    - Unknown
28level: high