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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
03/05/2024, 03:27
General
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Target
2024-05-03_18686c6dbe35a0be36446b561edff217_cryptolocker.exe
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Size
38KB
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MD5
18686c6dbe35a0be36446b561edff217
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SHA1
81a334eb75250bd203e99edc3444f8563b8389a4
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SHA256
c96c73475c4040a1e8685ca8e3ab98899be5ae42654b486c69110a80c6bef5b5
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SHA512
5abaf173dcf1d12d27b9c9f3b6580d43ba64d0f62df306b0d9dd05d6db010c94ce012561b653c23ca1d0886ffd0f694c2bbda3591aa8d19bdbf20d7192a00806
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9V:qDdFJy3QMOtEvwDpjjWMl7TO
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\2024-05-03_18686c6dbe35a0be36446b561edff217_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-03_18686c6dbe35a0be36446b561edff217_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
39KB
MD5359840034c9f1db845b60c602e86310d
SHA1ff0c8afe502261e6f6b52e43ceed23dcc048e015
SHA256df565fc38776e2b9f4865f4df800f8223da0dd4c20dd5866665b4bf8cf3eb618
SHA5126b64df89daea8e7aefe4408afff215fe32104458acb1943f1f66912218727d0f9a14434468c10465b1e71a7a0bf8736994e7016f03deb392e602c4b81fe00cdf
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Filesize
64KB
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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
24KB
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Filesize
64KB