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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
13/02/2024, 08:13
General
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Target
2024-02-13_c6f6ba753258533fa3ad68e473538f41_cryptolocker.exe
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Size
94KB
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MD5
c6f6ba753258533fa3ad68e473538f41
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SHA1
5127e103a62706d8b16be1a8df1a49d7697e456a
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SHA256
628dcd3d404bcd764c109594be652c5f7769c21e9461c9d250fa96c0615a0347
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SHA512
89db464532d686172c68d011551ea3c86643603e3d22fda1273b8fb11f99bda5ab7dd75892a9e13908702d44ca2ce270781a57118bfa0a12cd4070cb8dab1fb6
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp015b:AnBdOOtEvwDpj6zH
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-13_c6f6ba753258533fa3ad68e473538f41_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_c6f6ba753258533fa3ad68e473538f41_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
95KB
MD55122bf18822190042cbe55f921214ebb
SHA1bf42d0259dec87ecf2491be17de08435b5fbbd3a
SHA2560c5edfa682d3e0ea6bc6881218ae84508ad20be96d25bf879261493908e7e4cd
SHA5123b23f73ddd16ff539b0717e4fb05ff93004b8825e3d18323234baa9b235443cd0ab21a21760ebebfde56b23c4be87ba43dcac019f1c3b6855a33de006a5ae6d6
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB