Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
01/05/2024, 01:14
General
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Target
2024-05-01_f90781d845c0199f0dccc151a83c8ddc_cryptolocker.exe
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Size
89KB
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MD5
f90781d845c0199f0dccc151a83c8ddc
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SHA1
8d945abc76837ceb4cebd99d186084abfa705ec7
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SHA256
f225662a224d8c24c4221a76776f2a8e6acd410e7816fa9b8792c3d77fb744ae
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SHA512
dabb97b328c20c88f90432098904fc7a25e296bd7c90231b946fff58ae5549343480b1bcd8380d8d0c0262f4cecac7859bfe0523037d3a8f374f1f2f867995e3
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgIf:AnBdOOtEvwDpj6zS
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\2024-05-01_f90781d845c0199f0dccc151a83c8ddc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-01_f90781d845c0199f0dccc151a83c8ddc_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
89KB
MD5bc3855897b9a88adee44f4b6e916db06
SHA15dadc3fde44bebb7413c07742cad87b43bf756c2
SHA25622f8a1f0b34211fc4279ae4dacafab49bcf26d552314586fc1ce3e80c2c40063
SHA51257cfe0ab1de210be60eb22e058eba75415e18dd68ea2710bc3434d2f7f4ff8ce8fe1c2ba322a398cb5fffc73c3993cdd8981acbca8af89b7fcf65c7c2739c2ce
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Filesize
60KB
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Filesize
24KB
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Filesize
60KB
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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
60KB