Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
31/05/2024, 00:27
General
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Target
2024-05-31_434247434c3ff849f5418ed08ca39416_cryptolocker.exe
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Size
52KB
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MD5
434247434c3ff849f5418ed08ca39416
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SHA1
b453410cea82af36647bd57302a7a96f808be3d2
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SHA256
274c3f76cce6c2209438f0b6bd1cbb6f80c0643360842b014b2a9411bcbd5ba8
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SHA512
65fa8b90919acdb8b1019dc58e306b50e02630497e46c3dd90bdb22270f5adb6c00bcba214293239f44ee057b6b8bd4c381a70ead9ff97ff28aac28cd7f9b568
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOm8:z6QFElP6n+gKmddpMOtEvwDpj31im8
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\2024-05-31_434247434c3ff849f5418ed08ca39416_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_434247434c3ff849f5418ed08ca39416_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
53KB
MD582fefe1b3a5fb4ea80f0d9e6182082a2
SHA1f4fb53a2ab015e6fdfe103932e907739e55b6295
SHA256a8c06b5485fd80a2c0f597531e92e50b3683d185390eb85f235413e64a06e0f0
SHA512e8323a3ea7bd0d1aa581637ab7548d5f73b55eec83d917a86dd1941c7740a887f333d06ae3e0bf3afbbdaae2dc0f2b15742a7af1ec5ee12b347ecbf8b4840fa8
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB