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Analysis
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max time kernel
134s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
20/02/2024, 03:29
General
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Target
2024-02-20_3c0c063c33c55d755136fb6144985f7d_cryptolocker.exe
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Size
38KB
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MD5
3c0c063c33c55d755136fb6144985f7d
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SHA1
dc69b139f9af51757bf2ca3bd4b301e21cf01c44
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SHA256
4ea1fbd6a543ebc97793fc9708e2804cdd7b055bc4f895c3a8fde620e02fcc12
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SHA512
e1bf3fe630b697ac6dd2e247011b626d6b73e84bdafc00fe4e6f040763e2b5ad12f65d62fc79e59afc747734f6aed8fcf716ad69c5dee2ef9bcc4411e6442231
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkLNXh:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkL7
Malware Config
Signatures
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Detection of CryptoLocker Variants 3 IoCs
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Detection of Cryptolocker Samples 3 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\2024-02-20_3c0c063c33c55d755136fb6144985f7d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_3c0c063c33c55d755136fb6144985f7d_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
38KB
MD51636bb1d557133447cce59cdaf1133a6
SHA16a2189e031ea3c869cdcb251e8197dcef14f7afc
SHA25657543b5898b6e3240c0e5ec3469c0f945f63dcf9271a2e4232219ec481fa6f0b
SHA512d259b4ec56e6e88bfb90963549b0931106474d7f6d8920735333c03bc0649f5c65220d4df8ee5709f0a941c09f7414530935e79cb38e1de2bdd5d17578cb29c3
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB