Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
25/01/2024, 14:47
General
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Target
2024-01-25_a09177133ae3438371f5927a2cab4973_cryptolocker.exe
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Size
86KB
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MD5
a09177133ae3438371f5927a2cab4973
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SHA1
e12d09e9a1d3e5609f934d2870bc957297048a03
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SHA256
70a48ca5a8e8a501cf23c48575bfac64a1e3f7d4c6960484667ed996670334cf
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SHA512
e4e0ad8488cc85a4b3deddfc91f323cb3e470146beb51f38a3d26b2b612f9378e3c0cd0407665946810ae3fc6b89f22f646d32c518dda99cf6367f779054605d
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg6d:AnBdOOtEvwDpj6zq
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\2024-01-25_a09177133ae3438371f5927a2cab4973_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_a09177133ae3438371f5927a2cab4973_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
87KB
MD54d2684cd42c8e6a4dc971f7531455745
SHA11ede593316b9a2679dd42c3f32474efda0037d4a
SHA25670ac67191cdfce1f54742d58ad21229019d7a93b0b28c1d3767a3bf7a063768c
SHA512beefc34fd58836ed7cbcb6eeb0bc320ac16d3b2192feb90930d582890c050d3b1e43d54375ce0c3c60c2946453ebbb8a557aaedb5c63382786c8e3508aaf7e43
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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
60KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB