Bumblebee WmiPrvSE execution pattern

 1title: Bumblebee WmiPrvSE execution pattern
 2id: 1620db43-fde5-45f3-b4d9-45ca6e79e047
 3status: experimental
 4description: Detects Bumblebee WmiPrvSE parent process manipulation 
 5author:  TheDFIRReport
 6references:
 7  - https://thedfirreport.com/2022/09/26/bumblebee-round-two/
 8date: 2022/09/26
 9logsource:
10  category: process_creation
11  product: windows
12detection:
13  selection_image:
14    Image|endswith:
15      - 'ImagingDevices.exe'
16      - 'wabmig.exe'
17  selection_parent:
18    ParentImage:endswith:
19      - 'WmiPrvSE.exe'
20  condition: selection_image and selection_parent
21falsepositives:
22  - Unknown
23level: high
24tags:
25  - attack.defense_evasion
26  - attack.t1036

References

• BumbleBee: Round Two

  

  In this intrusion from May 2022, the threat actors used BumbleBee as the initial access vector. BumbleBee has been identified as an initial access vector utilized by several ransomware affiliates. …

  
  Read More

Related rules

• Suspicious Use of Rcedit Utility to Alter Executable Metadata
• Command or Scripting Interpreter Creating EXE File
• File Creation of Executables in Temp Folders (Event 4663)
• Process Creation without .exe File Extension
• Svchost Not Matching Normal Execution Parameters