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Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
01/06/2024, 13:31
General
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Target
2024-06-01_5fe42510aa674bffafe4777559c94e8c_cryptolocker.exe
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Size
40KB
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MD5
5fe42510aa674bffafe4777559c94e8c
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SHA1
29443761964d8e811b1238cc1b415f23fe00832c
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SHA256
6e017bdec455c08ee18544538fde2931eb9db7c409bcf68fdb10786c06f0f962
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SHA512
b2267ca5b7da8fc35ff5528dbb4d3dce86cb155c7da54429650a66aa9f84f78b3b9dbada903331d3c513d1e1c6eafa98db01eef58260de7023301225b3c5055f
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYm9:qDdFJy3QMOtEvwDpjjWMl7TT
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\2024-06-01_5fe42510aa674bffafe4777559c94e8c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_5fe42510aa674bffafe4777559c94e8c_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
40KB
MD5ba1c36951d6f98510a73b8f47f9b0fff
SHA1afaa2bd620fdabd0001672315e6c2dd3f099bebe
SHA25627f10577a4226a539ca281ff3088b5b7c712324b9b8708d1e5d282c9d2dc7323
SHA5120dcf0a5725cbd5ff54013cebd4307b602c9a7f9dfc4af77d849660f0a0ff840019997e13b14aefeab47ef615c018942afbf2e4f7ebabea6e6c93f620030a3511
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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