Analysis
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max time kernel
139s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
14-02-2024 14:52
General
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Target
2024-02-14_b432a3d6a2753bd07402b788f1397ce5_cryptolocker.exe
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Size
54KB
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MD5
b432a3d6a2753bd07402b788f1397ce5
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SHA1
131ac342e79be7de67fcf18da95184a977c6b464
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SHA256
8030bb42576b0e6de867fe98cb1d6e30a5537ee537ef25b448bed70463f19d10
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SHA512
ea3e90da6dc2ee9a095f36ac6c8092c2f10021acb87ea05a5c1521cb659215bff525d44f264931920b68e1420561397e0e1d8db01336869dff13c9d334a87c1b
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/iVTab3GRuv3VylSV/CdMFwj:79mqyNhQMOtEvwDpjBPY7xv3g8ZFC
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 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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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\2024-02-14_b432a3d6a2753bd07402b788f1397ce5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_b432a3d6a2753bd07402b788f1397ce5_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
54KB
MD5e0a43300484fab50c83a202b111c9c8b
SHA103ff88fe0b368ffe353032870303d6716a7acf1c
SHA2563e2e6091614b745b7c232cf302033b90484498096980395475f7159357c7513f
SHA512d654c301160e8c95732872154d17015f104330a0a314de32b12b7948e14a1ce3f50594426e97aa33b07f7af2cdcb54395eb0ecf2d8fac16a8e72d33b769e14a8
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB