Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
28/04/2024, 19:31
General
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Target
2024-04-28_8787760f867fc8d4049e3632e1d2ee5f_cryptolocker.exe
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Size
65KB
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MD5
8787760f867fc8d4049e3632e1d2ee5f
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SHA1
8131df03936ac7c5e6c511dfffb5ca8fbaf9cb3d
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SHA256
10790c235493af7d695220b046df25c730851b9f96af94b131ee312d2ea30ed6
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SHA512
2138c8e4e03f65dfe21bb1fd24575bd0a151998105f4f4be99d9569ed91fe0c5209d8fa78d44947beac2fd410195d74e743d24ae09b712743af6ce23a9913e26
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5BB:zj+soPSMOtEvwDpj4kpmeLmQ/B
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\2024-04-28_8787760f867fc8d4049e3632e1d2ee5f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-28_8787760f867fc8d4049e3632e1d2ee5f_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⤵
- 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
MD5ce138846b09517f7314ab0fdc668b6f4
SHA12e3aabeb0d227b406dc0d3eea454528991bdb681
SHA256bd4d08d66964fd26116bdde960d5c9c55cdaffa4ede8a75e726d9affcd63cd07
SHA512e4849d57e952f5b502dabad866bf7612702fe4e71c40c1282cb3fb6247a1a9dc2684a325c632004410fdb6d225a4a9e04ca11de198dbfe9753e4bb93e75d024b
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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