Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
06/03/2024, 15:46
General
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Target
2024-03-06_b307476108e027a74cc749104826e7c3_cryptolocker.exe
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Size
80KB
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MD5
b307476108e027a74cc749104826e7c3
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SHA1
ca85dfaa580db2abb5e311af9825a27b23057c5e
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SHA256
2293c35121a415a844c41eceddcafc46677c88b9fef8603ffbd530613bcdf423
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SHA512
ae6dab3b15a2fd9c7c2785fb9f0b5965b4f40854506512869057af5d349abd7d1793434ef663af01f1c0c351b831e5e2098b19c4afe9890dec7cea016f48ee97
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyTghl:zCsanOtEvwDpjn
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) 5 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\2024-03-06_b307476108e027a74cc749104826e7c3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-06_b307476108e027a74cc749104826e7c3_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
80KB
MD579dd3e7a37d1c7911587e9715a9ef74f
SHA1f70aa4c51ec77b5207f85f16c9d2bc7d47569714
SHA2568bc1da2eed06e1712c38e0928790ac57bf5a04188b9dd11cd34a90409888d24a
SHA512753fb4513a46a8760592d29771cf2b3c7ab5e114f21c8d5ace1bd88ff6fc11eddacbe25e81dc1d63a38276016f6a6c75cdf414dd9a2ba25106f3a2c898eb0763
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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
24KB
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Filesize
24KB
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Filesize
64KB