Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
02/05/2024, 00:38
General
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Target
2024-05-02_40235881e44ee15700f6f5ca129e95ff_cryptolocker.exe
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Size
71KB
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MD5
40235881e44ee15700f6f5ca129e95ff
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SHA1
42a3b5130f5ef7f20514efd4075ca78e72c30d41
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SHA256
e72214ad43d569868245c1c199e75610f1ec6b558f83812aa8419439ab8f1e79
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SHA512
c5c75a81f87d7883cb4230528f5d651040a544e0c535ec346aed0635b6edc7a4adebd8d275dbb35a9aff73639d366bcd664837ec41b2f6103fd0e2aba6ad1aa9
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs94:C4Q2c94OtEvwDpj4H8zh
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 2 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\2024-05-02_40235881e44ee15700f6f5ca129e95ff_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-02_40235881e44ee15700f6f5ca129e95ff_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
71KB
MD51c5b208cc63dd510f87858c4410d6369
SHA1bc6f80a7d74bce85fc21fd9781425113c741a916
SHA25687a43d38685d84f0c122432a3b397327ad42830da48da6d824c327d8e4e860f9
SHA51286a63308e33f40ccc3c5c27e4bea363423fd590e8a7b326af2c3bfe4b10ed8ae0ffe95b26c49725289fe31f74bb334390dc6c74dc2d41a09a90b5cda57007faf
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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