1type: trigger
2name: sigmahq/proc_creation_win_dumpminitool_susp_execution
3description: |
4  Detects suspicious ways to use the "DumpMinitool.exe" binary
5filter: |
6  (evt.Meta.service == 'sysmon' && evt.Parsed.EventID == '1') && ((evt.Parsed.Image endsWith '\\DumpMinitool.exe' || evt.Parsed.Image endsWith '\\DumpMinitool.x86.exe' || evt.Parsed.Image endsWith '\\DumpMinitool.arm64.exe' || evt.Parsed.OriginalFileName in ['DumpMinitool.exe', 'DumpMinitool.x86.exe', 'DumpMinitool.arm64.exe']) && (not (evt.Parsed.Image contains '\\Microsoft Visual Studio\\' || evt.Parsed.Image contains '\\Extensions\\') || evt.Parsed.CommandLine contains '.txt' || (evt.Parsed.CommandLine contains ' Full' || evt.Parsed.CommandLine contains ' Mini' || evt.Parsed.CommandLine contains ' WithHeap') && not (evt.Parsed.CommandLine contains '--dumpType')))
7blackhole: 2m
8#status: test
9labels:
10  service: windows
11  confidence: 1
12  spoofable: 0
13  classification:
14   - attack.t1036
15   - attack.t1003.001
16
17  label: "Suspicious DumpMinitool Execution"
18  behavior : "windows:audit"
19  remediation: false
20
21scope:
22  type: ParentProcessId
23  expression: evt.Parsed.ParentProcessId
24
25