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
18-02-2024 08:36
General
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Target
2024-02-18_5bc4f837feaf19dd7bb2112e6cce0c16_cryptolocker.exe
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Size
114KB
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MD5
5bc4f837feaf19dd7bb2112e6cce0c16
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SHA1
81ce6ab6e035231b6447cdf1a878b554019121c9
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SHA256
5caab10c379f425688082aec9f5160ca1a8c33aa36d96f4a0bf549f237a49de6
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SHA512
869ff1e1b0ffcb2e70cef2f36fb70bb588f2709525d1acbc96ae4fd2d6e567791df73adf5644821f74c0f3c8f932cd8f4f2438059106f8bf77d0149973148439
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwbCb:z6a+CdOOtEvwDpjcz2
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\2024-02-18_5bc4f837feaf19dd7bb2112e6cce0c16_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_5bc4f837feaf19dd7bb2112e6cce0c16_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
114KB
MD58e8659df88b940a0099b4af81af62801
SHA1e76f75fb569eb2ab280cfc5b4377e930ee9ea1f0
SHA256b23fe7661514ac01a2264fca9f1abe2ecae25ce32a5a134f1f09b07057509a40
SHA5122f98441a17ce9a428df46596ed0cb5aab0d98ac7a000bcfea2128afb4ff5737a93a6bdc03eb0e19c32616cc2b9543fabbe0060ff5e40b1234f54ba93589296a6
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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