Analysis
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max time kernel
140s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
19-01-2024 10:16
General
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Target
2024-01-19_b67428da551747120d516a9012207d21_cryptolocker.exe
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Size
61KB
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MD5
b67428da551747120d516a9012207d21
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SHA1
0877cbbb8f7d9897bab2c7d9803f310b46fc96e6
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SHA256
415f537c0ecffd367be35ac1f42ee2e450b36bea3babf38dd9a0505f7aedc062
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SHA512
98754753adcbb2a5d44b0502f452cb1af8cea3133d96afb98fa093917529d67bf98ed97985637e8fd46e36b80e466b405a76a0e5bf89cc767171bca104b5baa3
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5aV:zj+soPSMOtEvwDpj4kpmeLmo
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 6 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 5 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\2024-01-19_b67428da551747120d516a9012207d21_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-19_b67428da551747120d516a9012207d21_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
62KB
MD5f4999662234aaa6ed9103d3352f6b6e9
SHA1303bb140e10eb7aa601954f413612d41e7b55c4d
SHA256ee57b6f529e731e2d84f419e526a330216503d44e6ea4a4f7ea1c71753ead2c3
SHA512591003f2a45ec9b1a62e1245f5ec75e93102556ae50a340cdf7b9b1a612c5e6ce07dc6c0ba17ae4070570e783051a1ced4e5083dde042ff8c0764e237169a11d
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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
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB