Analysis
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max time kernel
141s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
27/01/2024, 11:37
General
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Target
2024-01-27_9f274536e2c29b9aab080199afe839fb_cryptolocker.exe
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Size
45KB
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MD5
9f274536e2c29b9aab080199afe839fb
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SHA1
9ca0820ec773a89a1d452d3094c3d7a51b146332
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SHA256
50753d5758359ab7f93d60e9e4e019aa17247ee82afcc09e6a1502b9a8011f71
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SHA512
a703a6ba345782369bac484e2d3942e7db257487ff65b59de46042a0268f07389e44f46e1a2f4370756efe8358c6767c92462cab032022edabdb903368f0443c
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2Mo4wj:qmbhXDmjr5MOtEvwDpj5cDtKkQZQV
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\2024-01-27_9f274536e2c29b9aab080199afe839fb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-27_9f274536e2c29b9aab080199afe839fb_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
46KB
MD5a1e2db2f19bcefe6408d75e7eb2f35a4
SHA1873e1daf963ff4700d6213a93bebcb33c4ca3773
SHA25611e02eb03e657b87d9e8e39b85939b4c94eccfaab4efb235d0e29fc10c452eba
SHA512ae6a0e8b66884f1837d8c935a801e9a4659fa9d335d55efc78926c5bf7810aa5c75d3af8d623812cd64c67f13730ee15cdd5ad1ce7e461ce3fcb6246f25d37d6
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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
24KB
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Filesize
24KB
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Filesize
64KB