Suspicious Persistence Via VMwareToolBoxCmd.EXE VM State Change Script

 1title: Suspicious Persistence Via VMwareToolBoxCmd.EXE VM State Change Script
 2id: 236d8e89-ed95-4789-a982-36f4643738ba
 3related:
 4    - id: 7aa4e81a-a65c-4e10-9f81-b200eb229d7d
 5      type: derived
 6status: test
 7description: Detects execution of the "VMwareToolBoxCmd.exe" with the "script" and "set" flag to setup a specific script that's located in a potentially suspicious location to run for a specific VM state
 8references:
 9    - https://bohops.com/2021/10/08/analyzing-and-detecting-a-vmtools-persistence-technique/
10author: Nasreddine Bencherchali (Nextron Systems)
11date: 2023-06-14
12tags:
13    - attack.execution
14    - attack.persistence
15    - attack.t1059
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection_bin_img:
21        - Image|endswith: '\VMwareToolBoxCmd.exe'
22        - OriginalFileName: 'toolbox-cmd.exe'
23    selection_bin_cli:
24        CommandLine|contains|all:
25            - ' script '
26            - ' set '
27    selection_susp_paths:
28        CommandLine|contains:
29            - ':\PerfLogs\'
30            - ':\Temp\'
31            - ':\Windows\System32\Tasks\'
32            - ':\Windows\Tasks\'
33            - ':\Windows\Temp\'
34            - '\AppData\Local\Temp'
35    condition: all of selection_*
36falsepositives:
37    - Unknown
38level: high