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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
17/02/2024, 07:44
General
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Target
2024-02-17_9b0172ced68b5ef4059e4f9a28f6e13d_cryptolocker.exe
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Size
86KB
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MD5
9b0172ced68b5ef4059e4f9a28f6e13d
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SHA1
05ab84b60b756b95a8f78c11e8eaf0a119b887e3
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SHA256
804dc20f1e1b3d0d1d03faf57b92c5469bbcea8a3d273ccdbb315cfd840c8f7a
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SHA512
edb66fb9e611cb1400ee2540f4eacfeba689eab926a171449192d6ac89a833dbaf17c19d968bca181cd5c31937855bc2d3241a474e8741e6a0817f4f4ec72916
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgKYv:AnBdOOtEvwDpj6zz
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\2024-02-17_9b0172ced68b5ef4059e4f9a28f6e13d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_9b0172ced68b5ef4059e4f9a28f6e13d_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
86KB
MD568380b6bd66f260c43b98ad011de12e6
SHA1173fddfe62c144b7b8ead78975270c21506a34c4
SHA256fa7bfc20b1cbbd10fcbc1486b6013f441adc965618cda4019831db5c20568be2
SHA51208775ef76dda9e024df0c1ba36b255e91ac2c840b5a4b9c5dc7ef4a0d08d7466812ab9ca733da26bcca251f4d5817cfb2b185352c3e88e01a1b1581677bb8a82
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB