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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
28/03/2024, 13:58
General
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Target
2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe
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Size
101KB
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MD5
d8f0be4921671acdd5bbf2ffbd7191bd
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SHA1
664e7d81bdac4fd2bd751fe9ac18902fbdae7471
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SHA256
3c145965e8146788963be3056eccfeb35e7f6dd7263122d7f665ca50d250f968
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SHA512
c2185c1fe3d9737b2098690ca2a5919ab6c70bf399e61454960a0ebbc004d388dbd41ef1ce6dcc84b1e293ed09d85efa61ac3af458efcbbfb7a955b41048c4e9
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJjN34:V6a+pOtEvwDpjtzJ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
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Detection of Cryptolocker Samples 1 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\2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-28_d8f0be4921671acdd5bbf2ffbd7191bd_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
101KB
MD5abe621e02887f47fd87babd11aadd3ad
SHA1000c9597dc9af9badfa18ebf00b613947e0eecc1
SHA256ef67cea60afb85e89cc3194eda37ccf4b1c0e4b74d3bb91e564c882107ea0a21
SHA512b422255635681a8bf67f6ea9cddc40ddfbe6d4dcb9545dafd638ff952321198bf329b28c514c2625734dcc0c2248d2ee9f69985643b915a5a2e15a6bf51ff5c7
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB