Winnti Malware HK University Campaign

 1title: Winnti Malware HK University Campaign
 2id: 3121461b-5aa0-4a41-b910-66d25524edbb
 3status: test
 4description: Detects specific process characteristics of Winnti malware noticed in Dec/Jan 2020 in a campaign against Honk Kong universities
 5references:
 6    - https://www.welivesecurity.com/2020/01/31/winnti-group-targeting-universities-hong-kong/
 7author: Florian Roth (Nextron Systems), Markus Neis
 8date: 2020-02-01
 9modified: 2021-11-27
10tags:
11    - attack.defense-evasion
12    - attack.t1574.002
13    - attack.g0044
14    - detection.emerging-threats
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection1:
20        ParentImage|contains:
21            - 'C:\Windows\Temp'
22            - '\hpqhvind.exe'
23        Image|startswith: 'C:\ProgramData\DRM'
24    selection2:
25        ParentImage|startswith: 'C:\ProgramData\DRM'
26        Image|endswith: '\wmplayer.exe'
27    selection3:
28        ParentImage|endswith: '\Test.exe'
29        Image|endswith: '\wmplayer.exe'
30    selection4:
31        Image: 'C:\ProgramData\DRM\CLR\CLR.exe'
32    selection5:
33        ParentImage|startswith: 'C:\ProgramData\DRM\Windows'
34        Image|endswith: '\SearchFilterHost.exe'
35    condition: 1 of selection*
36falsepositives:
37    - Unlikely
38level: critical