Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
09-05-2024 21:47
General
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Target
2024-05-09_1cb2865aa40a4582e03be581cadaa967_cryptolocker.exe
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Size
38KB
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MD5
1cb2865aa40a4582e03be581cadaa967
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SHA1
7a532eb99bd42a96d590a378c39ce93c8cc63d62
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SHA256
a674298080775eb7b3288fd65a0b2026e9ba199ea44bd343b9914fa6bec391be
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SHA512
087d309f9360db711eff05af852d5e3471242d005ceb7d1c940738916db47a780dfbbe02e8fab2e59aa3dc575275188c1e7c2adf5292857632c8e6aadf0205bb
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYan//:qDdFJy3QMOtEvwDpjjWMl7Tdn//
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\2024-05-09_1cb2865aa40a4582e03be581cadaa967_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-09_1cb2865aa40a4582e03be581cadaa967_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
39KB
MD537a8a1488f4f04cf5e0a76b2b834c4ae
SHA15ee192ca1dbe08d8cda8e799562f2d2f27cd20e8
SHA256a9c9fe660e6cf22529a6d5b9637db95f8ad80e0cd79cd2ec43eb3613585fc607
SHA512528932e308b610d691a1a9197a8b49467b86982f53a398b9a3ee9e16137cdf9f92ae7447374c186a39bcb072f6eada40b13e3eaf1779bdd31d0e6a078e195216
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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