Nasreddine Bencherchali
32 lines
1.1 KiB
YAML
32 lines
1.1 KiB
YAML
title: PUA - Nimgrab Execution
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id: 74a12f18-505c-4114-8d0b-8448dd5485c6
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status: experimental
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description: Detects the usage of nimgrab, a tool bundled with the Nim programming framework and used for downloading files.
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/28d190330fe44de6ff4767fc400cc10fa7cd6540/atomics/T1105/T1105.md
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author: frack113
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date: 2022/08/28
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modified: 2023/02/13
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tags:
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- attack.command_and_control
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- attack.t1105
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logsource:
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category: process_creation
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product: windows
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detection:
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selection_name:
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Image|endswith: '\nimgrab.exe'
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selection_hashes:
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Hashes|contains:
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- MD5=2DD44C3C29D667F5C0EF5F9D7C7FFB8B
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- SHA256=F266609E91985F0FE3E31C5E8FAEEEC4FFA5E0322D8B6F15FE69F4C5165B9559
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- IMPHASH=C07FDDD21D123EA9B3A08EEF44AAAC45
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selection_hash:
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- md5: 2DD44C3C29D667F5C0EF5F9D7C7FFB8B
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- sha256: F266609E91985F0FE3E31C5E8FAEEEC4FFA5E0322D8B6F15FE69F4C5165B9559
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- Imphash: C07FDDD21D123EA9B3A08EEF44AAAC45
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condition: 1 of selection_*
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falsepositives:
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- Legitimate use of Nim on a developer systems
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level: high
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