Arbitrary File Download Via IMEWDBLD.EXE

 1title: Arbitrary File Download Via IMEWDBLD.EXE
 2id: 863218bd-c7d0-4c52-80cd-0a96c09f54af
 3related:
 4    - id: 8d7e392e-9b28-49e1-831d-5949c6281228
 5      type: derived
 6status: experimental
 7description: Detects usage of "IMEWDBLD.exe" to download arbitrary files
 8references:
 9    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1105/T1105.md#atomic-test-10---windows---powershell-download
10    - https://lolbas-project.github.io/lolbas/Binaries/IMEWDBLD/
11author: Swachchhanda Shrawan Poudel
12date: 2023/11/09
13tags:
14    - attack.defense_evasion
15    - attack.execution
16    - attack.t1218
17logsource:
18    category: process_creation
19    product: windows
20detection:
21    selection_img:
22        - Image|endswith: '\IMEWDBLD.exe'
23        - OriginalFileName: 'imewdbld.exe'
24    selection_cli:
25        CommandLine|contains:
26            - 'http://'
27            - 'https://'
28    condition: all of selection_*
29falsepositives:
30    - Unknown
31# Note: Please reduce this to medium if you find legitimate use case of this utility with a URL
32level: high

References

• atomic-red-team/atomics/T1105/T1105.md at f339e7da7d05f6057fdfcdd3742bfcf365fee2a9 · redcanaryco/atomic-red-team

  

  Small and highly portable detection tests based on MITRE's ATT&CK. - redcanaryco/atomic-red-team

  
  Read More

• Imewdbld | LOLBAS

  Download: INetCache INetCache downloaders typically store files in a randomly-named folder under %LOCALAPPDATA%\Microsoft\Windows\INetCache\IE, having added [1] or a higher number between the file'...

  
  Read More

Related rules

• Arbitrary File Download Via MSEDGE_PROXY.EXE
• Arbitrary File Download Via MSOHTMED.EXE
• Arbitrary File Download Via PresentationHost.EXE
• Arbitrary File Download Via Squirrel.EXE
• Potential File Download Via MS-AppInstaller Protocol Handler