Analysis
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max time kernel
146s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
07/05/2024, 04:25
General
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Target
2024-05-07_1874035581d07e53c7717d1ae2a64859_cryptolocker.exe
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Size
72KB
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MD5
1874035581d07e53c7717d1ae2a64859
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SHA1
ca6023f530ba652370ace60677669f1d117416a3
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SHA256
f16935efffa821996453242e4361a8f2d55586d88a82cb6d62615e49e4f4ef43
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SHA512
97d615a45af7eb6b1357f7912c8014075efd5776c743c6a7fa3fb7f3856a75f0d87edc3464ed8cc559bce7e50103810e4449a73bef5ed0b2bbfe635ed54dea50
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs93:C4Q2c94OtEvwDpj4H8zK
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 4 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\2024-05-07_1874035581d07e53c7717d1ae2a64859_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-07_1874035581d07e53c7717d1ae2a64859_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
72KB
MD56cf8ca911af5beabd957b94bf6b73986
SHA16fdb73d548b19e80066be4fabb26396de91cc314
SHA2563b995d2bd9e9ac40575c98f1ba91327bb7a1b8c6a27b7d0721a1211e2d71cc70
SHA512d0ab295519f6a80bfddc3a5734ead325b40d35ab619036a0264a10501b824bf0b2736f29ad1b680b8a18236db0c06970c90e7ee6cf1b58367b5c755f039b71f2
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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