Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
13-05-2024 19:30
General
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Target
2024-05-13_3c21ec1c1b17c208be6555fad049c59a_cryptolocker.exe
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Size
66KB
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MD5
3c21ec1c1b17c208be6555fad049c59a
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SHA1
288e79a1016f35efff6f96e48c6b6b9ca5f65707
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SHA256
0d6a269cb229edbec7f96bd9941779299bc9c34c18ee0c9ddb0fd17ede0f1906
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SHA512
8a70f7369f15c690515640eb4b256f1727a014bcb44044742cd81a66851e82b5e93ad6b35ec6d77c690ae8d7ac65e912e0ed33af466c8b753434de587eb184ab
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xg0:1nK6a+qdOOtEvwDpjF
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\2024-05-13_3c21ec1c1b17c208be6555fad049c59a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-13_3c21ec1c1b17c208be6555fad049c59a_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
66KB
MD56e24ea7d1476687b051c58dabe71c924
SHA1f576f78956555bbbfc3187cec4403321eb166372
SHA256375a33313a4c5fdc224b579d51f9dfb8f24f4cad30d20232157b7e323bcfcabf
SHA5122c5304d259ecac4468a62462d1a2275e4427b76930ec9ee847f67d8ebf0423c95a5677b9ec5f447c9e99e66654fea36c597bf99a87c064250b75ec2e98053d95
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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