Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
27-04-2024 04:37
General
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Target
2024-04-27_4401242878887e1d84d9c4e7ac61cf4e_cryptolocker.exe
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Size
55KB
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MD5
4401242878887e1d84d9c4e7ac61cf4e
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SHA1
ed183e890a23843db2beef645eaf7875577b4aee
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SHA256
8e3ab9ba68630f8655e588af40124725974f639a41763bfe90b1cad1f9a78a45
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SHA512
68fa36b00dd932ac8c4e71baf5655c9493d29e2d6f47e4f8c419c569b8b7a4f84b5b97d1009d854abf77644e3390ae4c18c31172473a68709955c8a835d97db3
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6Impyx:BbdDmjr+OtEvwDpjM+
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\2024-04-27_4401242878887e1d84d9c4e7ac61cf4e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-27_4401242878887e1d84d9c4e7ac61cf4e_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
55KB
MD574a80ede9c4917299423e9f0e7b84a49
SHA1a1ede1fd631b68e59cf44057164c5ff252df9324
SHA2560a4496f11a934b82f5fe395dbc3b67c7c68c2e666bbc447224d4b693087d3bcd
SHA5129cd78a0fffa37f3ae81f9bdb113cda9f493dd3904ee6454eef3de8642b4ab4fdc646bb3d8446641c65862fad09da5934e204812fdbbdf0fcd377a461e0b9ce73
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB