Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
10-05-2024 00:26
General
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Target
2024-05-10_2a31617bbf60c09145f22ff273bc9f11_cryptolocker.exe
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Size
72KB
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MD5
2a31617bbf60c09145f22ff273bc9f11
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SHA1
a2aac122406d851831944e037dd6be076e802179
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SHA256
366b923cb2b551fa5247d0c85898f0898965aee38d4719f0131eeed0afc09761
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SHA512
636da868cad2ef2cc6763fe805a856e6968a9059bb30ef4c0b94ada00bc162900989d1cd980fde6a2e03f3b17baa3690bf8f503ee3476cb29d4bc86b721088fb
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs95l:C4Q2c94OtEvwDpj4H8zm
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 4 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-10_2a31617bbf60c09145f22ff273bc9f11_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-10_2a31617bbf60c09145f22ff273bc9f11_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD5174a2d8d54c1f83fd76398ed77bfe7db
SHA179118dbda651894cadb50fd03b5b152c37cfa4ce
SHA256b30933c74aec2901e62780233c999a429a2f045d4422de78c05c04a7bc787527
SHA5121c35d4ab361a8f6c840524197d2015358932c4a8a022741f25a23df23784171505e3999ceae3313a523709082ae87df3afe26df51099ed37967887a9e282ba5c
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB