Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
18-03-2024 15:48
General
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Target
2024-03-18_adf15798521ae4158eeed2b52df07274_cryptolocker.exe
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Size
50KB
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MD5
adf15798521ae4158eeed2b52df07274
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SHA1
4287818c65860b5defd0c5c64f8adf5e29358f6a
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SHA256
739cb7facc5234090dc7fc579d3816f2e8af4379d1b5b9a9834351dc103ab326
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SHA512
951458ae822397737623eea823e8f8c4ee6ef7356d7e0c3c2406f11575c5d74fbd1fb9fecce1505877b9fc29d9d83310c7ab9aac639350e0ce913f6c6e31893e
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05WTB52z6:qmbhXDmjr5MOtEvwDpj5cDtKkQZQ6u+
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\2024-03-18_adf15798521ae4158eeed2b52df07274_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-18_adf15798521ae4158eeed2b52df07274_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
50KB
MD50b0b45e16e558410ee547b9e2164b349
SHA12b2db1662fcf8251d4d5b04e292102fdf7f1cd7d
SHA256f23b61f574a30ff0353ccb8f696be2eeee83c76234c6cca030b8c1edcc73233e
SHA5122a0e8b6c997c7480d258d47241b3c073c62f314842016f641bd5857460e4ede97e08fff5e7c1664315b6b4062773034fcd27281235ef6146780e36e5e42a218c
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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