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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
03/06/2024, 16:58
General
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Target
2024-06-03_6bb61f5df88a4eb7de5f14b3534005d5_cryptolocker.exe
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Size
40KB
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MD5
6bb61f5df88a4eb7de5f14b3534005d5
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SHA1
e17802ad28d431c23ced7fe92c87d2211def0cad
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SHA256
495f429da4caed9947063143f1fd873875b2895ed1c235aaebd13706971ac059
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SHA512
07569bb3bac60396fde1202e6b7275cf804e5e7be360f545b9eced9ff10ecb7b94a1d8621263aadf2291729110132bc9e034d647aa0315e9eb5a83f6645bb5c5
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYz:qDdFJy3QMOtEvwDpjjWMl7TK
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\2024-06-03_6bb61f5df88a4eb7de5f14b3534005d5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_6bb61f5df88a4eb7de5f14b3534005d5_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
MD52d852c6f297e66cddc0705ece5953bc2
SHA107de48fc6992fddd335b29b1ebdf4f2fc8146b2f
SHA25611f3b77407a81f070ae20ad4a5ecd9e954a9398ffae1f4172c4016a3b34ebe4e
SHA512ad25a433f9edb3fd84fbe56dc8514ae57f4cb4a4530422c5717d125e16f4e3ecb8bf53d4b7f6c2efd21d5ac8ed28f0c041a7523aa3fea56a9e76adfc2802dbe7
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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