Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
03/06/2024, 09:41
General
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Target
2024-06-03_b8719ae4340176532cbce051d6593bcb_cryptolocker.exe
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Size
41KB
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MD5
b8719ae4340176532cbce051d6593bcb
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SHA1
690c9a388be50ed12bf1ef05e124a00e71637edc
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SHA256
81e8ab4239030c36ddb2693dce1dba8ef11ea1cce5455b840cfea75c528b774a
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SHA512
bcf6e1c4f722e8c06a8b75c6a11d0cbe5c680adabad8b8f2be981485800aa8b7425d58204f523145aacfd9c91752a28f9496c24728934a1d503b169f0e903ec6
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBc4S9b:qDdFJy3QMOtEvwDpjjWMl7TdsB
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_b8719ae4340176532cbce051d6593bcb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_b8719ae4340176532cbce051d6593bcb_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
41KB
MD50ab3ebc10c5b3979806a4f870877738c
SHA153cd60f004d1e034a9e59143c225937c6c64dafb
SHA256945a52091cc1b1875f54e9f596e376c2ad3805edf02c92a5dcddba8e101bb1b1
SHA5123b70c9825a2f5dadcc6cbf6e2ad4eab577baebccdfbfed49f28d89decff5540a2f8909d0bbcd50a7de0ce88ce289b16212b89a81ed4e977a47cddf10c565ddf1
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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