Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
23-05-2024 01:23
General
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Target
2024-05-23_31e4fa0b1031669fcf132dfbaa171875_cryptolocker.exe
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Size
67KB
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MD5
31e4fa0b1031669fcf132dfbaa171875
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SHA1
bd480e0b04d88196f19195ae4b4117c7b9d58683
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SHA256
4babcb8b10817b15c2afd1f56357ba366cb66c1694f4b6fc6df19e537fea05ca
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SHA512
1ac1502bc04e5d0b5755922881bd44481bdfb17e6f684ee7a606f432ae76bc0b85a374854b616d80cd7bcc575377f670b36782ce786e2b40a901ddae8ddec81f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRQ:1nK6a+qdOOtEvwDpj9
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 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\2024-05-23_31e4fa0b1031669fcf132dfbaa171875_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_31e4fa0b1031669fcf132dfbaa171875_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.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
67KB
MD54cfb4509349bdd1ba0bc8c9887ac33ad
SHA12157c9e6b27b149bff018560d0c398237995a2f0
SHA256ef17edbb3f447b11834dce1cf56e5ed06cae3064c54356794b3cb70e4c45d92a
SHA5121799930f5cfd096db667903745fdadcce13f505e0efe695164b1fd9b101613a2e55ec6ca99e473a1ccb4be702b0cf2564c6bdb6939b7f3f4a8331926abaf7258
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Filesize
60KB
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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
60KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB