HH.EXE Execution

Title: HH.EXE Execution
Status: test
Description:Detects the execution of "hh.exe" to open ".chm" files.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218.001/T1218.001.md
  -https://eqllib.readthedocs.io/en/latest/analytics/b25aa548-7937-11e9-8f5c-d46d6d62a49e.html
  -https://www.zscaler.com/blogs/security-research/unintentional-leak-glimpse-attack-vectors-apt37
Author: E.M. Anhaus (originally from Atomic Blue Detections, Dan Beavin), oscd.community
Date: 2019-10-24
modified:2023-12-11
Tags:

• -'attack.stealth'
• -'attack.t1218.001'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection_img:
OriginalFileName:'HH.exe' Image|endswith:'\hh.exe'   selection_cli:
    CommandLine|contains: '.chm'
  condition:all of selection_*
Falsepositives:
  -False positives are expected with legitimate ".CHM"
Level: low