PUA - Potential PE Metadata Tamper Using Rcedit

calendar Aug 12, 2024 · attack.defense-evasion attack.t1036.003 attack.t1036 attack.t1027.005 attack.t1027  ·
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Detects the use of rcedit to potentially alter executable PE metadata properties, which could conceal efforts to rename system utilities for defense evasion.

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 1title: PUA - Potential PE Metadata Tamper Using Rcedit
 2id: 0c92f2e6-f08f-4b73-9216-ecb0ca634689
 3status: test
 4description: Detects the use of rcedit to potentially alter executable PE metadata properties, which could conceal efforts to rename system utilities for defense evasion.
 5references:
 6    - https://security.stackexchange.com/questions/210843/is-it-possible-to-change-original-filename-of-an-exe
 7    - https://www.virustotal.com/gui/file/02e8e8c5d430d8b768980f517b62d7792d690982b9ba0f7e04163cbc1a6e7915
 8    - https://github.com/electron/rcedit
 9author: Micah Babinski
10date: 2022-12-11
11modified: 2023-03-05
12tags:
13    - attack.defense-evasion
14    - attack.t1036.003
15    - attack.t1036
16    - attack.t1027.005
17    - attack.t1027
18logsource:
19    category: process_creation
20    product: windows
21detection:
22    selection_img:
23        - Image|endswith:
24              - '\rcedit-x64.exe'
25              - '\rcedit-x86.exe'
26        - Description: 'Edit resources of exe'
27        - Product: 'rcedit'
28    selection_flags:
29        CommandLine|contains: '--set-' # Covers multiple edit commands such as "--set-resource-string" or "--set-version-string"
30    selection_attributes:
31        CommandLine|contains:
32            - 'OriginalFileName'
33            - 'CompanyName'
34            - 'FileDescription'
35            - 'ProductName'
36            - 'ProductVersion'
37            - 'LegalCopyright'
38    condition: all of selection_*
39falsepositives:
40    - Legitimate use of the tool by administrators or users to update metadata of a binary
41level: medium

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