Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05/03/2024, 05:44
General
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Target
2024-03-05_61be0d32e8174e1af426fcc61b9e8d6b_cryptolocker.exe
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Size
128KB
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MD5
61be0d32e8174e1af426fcc61b9e8d6b
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SHA1
bcd0d54b72c5c11c76c581825482b7c4255a8076
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SHA256
eefed903d20096052e97809ef5d39bacb95ac14da83eb15598f69568968ca2b6
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SHA512
a008e1679d22045adf8601e2d57868cdd2d826703d49a3c17f8d7deed7d256a2afc5d86f390c8fab3a2efb3604ba4afd202b9ce3761702d659e763070e6e6831
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1emN:AnBdOOtEvwDpj6zc
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-03-05_61be0d32e8174e1af426fcc61b9e8d6b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-05_61be0d32e8174e1af426fcc61b9e8d6b_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
128KB
MD5ff5ac40d1a9d6ad7e583208f0b8c6a53
SHA12eb24d5579d91069183fe1eba0cc1ad52e23e318
SHA256fd798b222cacb8dee57ba104f60d4f0a3ac899f665ab529d849bb849450fed7c
SHA51284878c864a6b87e69d0ae7d1bd2cee879984cabe29a5baf4f2a6a10f5cf8642665c95a1f710ed4e72ba03daa5d0682690ec8abbc2f08baa5db2f2c95877afb1e
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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
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB