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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
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submitted
01/07/2024, 21:36
General
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Target
2024-07-01_a269b2e6baa1aa2d07c66b55409fa24f_cryptolocker.exe
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Size
37KB
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MD5
a269b2e6baa1aa2d07c66b55409fa24f
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SHA1
8d6b1dce0263568302b53b826bf7095e408f2467
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SHA256
b5278d908a88821d5b6da16e7a2e948f92cfc64a276780b8a33b73ac80b166a6
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SHA512
269f8307a5c852881104d69679ec579c456dd6e4ad7fcef88399959dd3316a2ed11e4ff2e5a0ff15ca4ce20a9860fbd372970576c374885c83c3ca36c949233f
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITf:qDdFJy3QMOtEvwDpjjWMl7Tf
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\2024-07-01_a269b2e6baa1aa2d07c66b55409fa24f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-01_a269b2e6baa1aa2d07c66b55409fa24f_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
37KB
MD5e461f5610c00f0aac25be1bf7c29f014
SHA1a144355d537581dcde2b037e1a925f3eb2a13271
SHA2560d6874182c1f59902aa19293aa03cbf2a98dbf1b19a0697b61b90a278e2c8778
SHA512f338a84a2cd4385edb6623b666e812a94eceef16cbfbd45eedb087e6d4ccb54cf69e19df08504c12a7c39fe51e937b76b1c944159d8ba377e845aac61f315a36
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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
64KB