Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
20-05-2024 15:08
General
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Target
2024-05-20_a9512298071f51521ed23489669880af_cryptolocker.exe
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Size
91KB
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MD5
a9512298071f51521ed23489669880af
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SHA1
565e6f6fad076ea94b0281e2221c8bd3682db44a
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SHA256
30bafc391f96fb6ce7abf3701cd92f4b7e767398d3f139f4c7351c497f281ee7
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SHA512
c0b59c8beb2a92c1d193408210add99d6625804b214f5ebd0fe02259b63662b311a09995cd660517fb97fc9334c951b5a2d56e882e355438a37180de5c901223
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgddF:AnBdOOtEvwDpj6zh
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-20_a9512298071f51521ed23489669880af_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-20_a9512298071f51521ed23489669880af_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 Matrix
Replay Monitor
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Downloads
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Filesize
91KB
MD5d939e179fc3b63a1608561316bc9f985
SHA14af44f5ea1628a6c35507f1a9fc5e3cccf93528d
SHA256309aa338cb337b469297e51e4b7415e88d91effdbd0f223b30d3a0ddb11dede6
SHA512a480d3db2c4c34c373e3a8ab575efd01549cbd4b6ad561600b2233ad47f665d5fe0c59a8a9011059494aa693fc899150bef8022fe71d82be78eaeee4893325c2
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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
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB