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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
17/05/2024, 17:45
General
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Target
2024-05-17_84308bae950983e5f15f5d9bde4d97aa_cryptolocker.exe
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Size
39KB
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MD5
84308bae950983e5f15f5d9bde4d97aa
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SHA1
15acb39bbd903cb84c0d29fdb24e86fffa6a31af
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SHA256
08ff1a7d01e918122f55583f55a9906741c411d3cb3cf22a3c12994e2c7f5da1
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SHA512
1f938e75832101213f004a7fc10b4bf4cebade80eb89a33b0403f52709bf1f4cc6df92342270017d82fcecca30fb6acf0b0e8a155ed8ee8a4c621bc7ee5ee693
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan8Z1p:qDdFJy3QMOtEvwDpjjWMl7Tdn8Zr
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\2024-05-17_84308bae950983e5f15f5d9bde4d97aa_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-17_84308bae950983e5f15f5d9bde4d97aa_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
39KB
MD5b532328d4af6c3c2660c4066db118834
SHA121f0aa0d0f5a7824f475769194f7f3f1fd41b685
SHA2564571700c09333436a33096d6b1a6375ea7156b3c0307756b20bcafa0d6978bba
SHA512eea5e75f963ed6458f2b17b5886671f239839e83be4f1deeef7288946cde1f1cd77d3ad5ef00a4b5c950c5d8e76c2373e7fcebfa3dac4264bd7e976417c511e8
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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