Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
12/02/2024, 05:44
General
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Target
2024-02-12_663ece3fb9dd1f42bf7c43552bacc260_cryptolocker.exe
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Size
29KB
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MD5
663ece3fb9dd1f42bf7c43552bacc260
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SHA1
c9b9f1434b3c290726f4012ee4be4e911bf22029
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SHA256
6adb092e6634057f0d0ac60eb42d6f65a7fa939451f0810bea0ec0519e601b83
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SHA512
5c9921d7711eb6a458e6e8af0c2b693a3aaaf40aeae8f4b1ea34697d426ba11f954cdd67823674976beea9c1ec11f6e7704615382c3cfca6cf00353495dcb4b2
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIO/xOch:q0zizzOSxMOtEvwDpj/arMQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 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\2024-02-12_663ece3fb9dd1f42bf7c43552bacc260_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-12_663ece3fb9dd1f42bf7c43552bacc260_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
29KB
MD5e5d3de8489d85185d6d042bf76e42eac
SHA1b96df18f2bf2909c1defbcd0f0729c0ce455fd8d
SHA25651b74b8955bd7b153a098a716d3205715279f346aad01cd9f5c0290e1479c25c
SHA512f0221e6efaad467fdf3d3f08bc4aab4db2e4026690f41816aaf1e2f84f3032629a6c71d90d87519a550ad03a71e6e5653724fd1a8087ff1ab459b2b968374f95
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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