Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
20/04/2024, 22:27
General
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Target
2024-04-20_58817e2c9f72dbe3c7eb106d0f6a8f20_cryptolocker.exe
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Size
62KB
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MD5
58817e2c9f72dbe3c7eb106d0f6a8f20
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SHA1
d5210e3129beb5c8402b7ad000663230cbef1a43
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SHA256
e13696889bb2fd40b3d87c9aad6c1b5f9560bd969b4f09153539dbbb0b5848c8
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SHA512
53e38a8bbc281062e32cf255d462ae40ef962c3c4622e3c05a88fc73ac113bd2f60a63d8d0603c7876b2109d02926e94f9f1e2bcfac959cf33b24f3ec93389b9
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsiI:BbdDmjr+OtEvwDpjM8J
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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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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\2024-04-20_58817e2c9f72dbe3c7eb106d0f6a8f20_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_58817e2c9f72dbe3c7eb106d0f6a8f20_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
62KB
MD50e564df79a2c47e929243168ca789654
SHA1eed9fbc8cb54275960b5ff14a3bb31dafd89b33c
SHA2561f4633782a02d7d266980cbd4bd91c26d3dbc44036a427d798c420dff8defcfc
SHA512ac43e52fbe67c16d432eb5de9331f1726b351df906cc7101da7f174da1de93c42beae374501948507756084c971eb4ec70d568fc2173968cfc3a2d3d476a2569
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB