Analysis
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max time kernel
133s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
13/02/2024, 05:16
General
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Target
2024-02-13_473013d47b343e09f6158f882bf24c8f_cryptolocker.exe
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Size
90KB
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MD5
473013d47b343e09f6158f882bf24c8f
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SHA1
daac4c6150b19f584e4b7724d5f41bafaf0e9d72
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SHA256
7a0b3c3e0773d81771ff4a812356dc4280ba4e12f868920ae5e64e22549b711d
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SHA512
a95561fe514bb46a163e1e825cca25b8d871787d958dbe8a598842c968573235267e0867d60a600028e8af581dd9cea559c49230e3235f59837f6b01652fa4ec
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy876:zCsanOtEvwDpj6
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 2 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\2024-02-13_473013d47b343e09f6158f882bf24c8f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_473013d47b343e09f6158f882bf24c8f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- 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
90KB
MD5a319ff80c0b20f57f83cf392dac1e206
SHA140916ffc8bdb458bdd40e885c2a1ff485ed0b4c6
SHA256afb4cc92f0a1c7ffb99b3284d9b5c0c4b4136cc2a510d3653515a741c8fe1dc8
SHA512e71e717f7215037e29207e874e6e507d51e4dd72656af0eb0275ebb0264e487fbd61875504aa8af85e5687e582d8317363d998569cd9ad72bb360d6b936c1b4e
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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