Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
08/04/2024, 15:47
General
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Target
2024-04-08_f22c89b807d44433ba84c073fa421a56_cryptolocker.exe
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Size
53KB
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MD5
f22c89b807d44433ba84c073fa421a56
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SHA1
795c5cb0c2178b11a8cbd7e212153d3600376763
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SHA256
d672f8dd566ed7c042591df0493f529cb233f47533183f8e2497a1e62903e712
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SHA512
6a42aa7f2f8ecbd8843bb7811d08243f227a65275ec5a88d9794ac6726b132d3c7c83814bad99a10424e8c3ed11f6c35ff843cdf9ca5e1be71a582ce01aed1c1
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6Impys:BbdDmjr+OtEvwDpjMH
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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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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\2024-04-08_f22c89b807d44433ba84c073fa421a56_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-08_f22c89b807d44433ba84c073fa421a56_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
53KB
MD536e7b152299d165c49d9bcadb674ade1
SHA194413f7cef8957dd5af05227fa38bb831ef34119
SHA2565864575e9c39745daf603ec3841f8d250fb3538b389188c0061b07a3d9d69762
SHA5120644fee31b61abfb8d77f70bcaff4b25cbca67f25b75ec21e25d9ca5c124436f2c7b21a00b40a608a82e6eee651c5c1deb9c5381ef023fcd517aa2ee2eca1cb0
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Filesize
64KB
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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