Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
13/06/2024, 00:57
General
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Target
2024-06-13_ed83a85c6c2b1edbe877ac804d57dc5e_cryptolocker.exe
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Size
40KB
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MD5
ed83a85c6c2b1edbe877ac804d57dc5e
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SHA1
f69a1acac3d2d189fa63cf4aafc72711d33f9e4a
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SHA256
c8a47054bcda5a6d62e8d2c5972123371f2078a4089958a0a2ffe34c7d08c248
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SHA512
8df25e1f9c89b1509cf48385f490b5a5821186e62f67f8bf8bf719131d6363f51d507fadd0c5be99f8425dd03b49855d57bb82e1e59be79147c548b0692100ba
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9XN:qDdFJy3QMOtEvwDpjjWMl7TW
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 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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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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\2024-06-13_ed83a85c6c2b1edbe877ac804d57dc5e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_ed83a85c6c2b1edbe877ac804d57dc5e_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
40KB
MD5c1cefd505f2a548f6be3f1e456d81fec
SHA19e0451928caeeb36636637717ab4797444c6c540
SHA256f973ae3cd8e1b158c327f63e85d3eefc7f4b544bfecc917b9d20f5b2c850b210
SHA51224c0dd9b35363a217a331532dfa7a583a2a9969571c68f2684f0229742818669c0200ba3dafe9f72857ec1d3f291432ca0951c11fd1f4683478ebdaea789cc0f
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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