Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
29/05/2024, 12:45
General
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Target
2024-05-29_e8668090b8a5b7e30f574df77e84ab1b_cryptolocker.exe
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Size
60KB
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MD5
e8668090b8a5b7e30f574df77e84ab1b
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SHA1
348bcebf1b42802d2994cddab7f842bfcfff63c8
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SHA256
705395bd3e991521bae0d096c47051ab11a1f2c8ee820c31fbe38770cde4ae6f
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SHA512
d1296ca42dd7036105fae9b45e9a7caac9bf9ad8e178cc9095e8280b788669a3f2a3cd226489350745e882b9fb08420fa1ffad2245f8e75ad4c37690a12bc856
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pV:H6QFElP6n+gou9cvMOtEvwDpjCpVX7
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\2024-05-29_e8668090b8a5b7e30f574df77e84ab1b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-29_e8668090b8a5b7e30f574df77e84ab1b_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
60KB
MD599af4321cb6e6041e1a500d545d38224
SHA19c535bf5456f23a23eb6ab7ccfd927815bdeb443
SHA25657c78cce5b92837c990414e1a028e4592f8ef5c70ec36c5054849574346186fd
SHA512dd06f0bc050b2464728973e670047e23084e558ccd893020488217f60dbc611f16f8887f58fd495bf08c50f5fe7d1b20c926651d688a7c4b6c8a49eb8ef1fd64
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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