Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
13-02-2024 06:20
General
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Target
2024-02-13_f5f7e08fcd4c842787ac9774433c591e_cryptolocker.exe
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Size
126KB
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MD5
f5f7e08fcd4c842787ac9774433c591e
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SHA1
5c80a9ae12e641d774474a525db927ac8ed7678a
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SHA256
7a1b1487c314c90c953f4dd3f6399d2bed43de30e6e3b5f395b9d13efe8a763e
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SHA512
3760966ebcc092170bf9ebd445be8795413bfb952a9715444fbc5300de64d98979a4b5a0c49d5bd96e295fd5db734663a9bd6508c58adf29198bd32da5cf1011
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eIn2M:AnBdOOtEvwDpj6ze
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\2024-02-13_f5f7e08fcd4c842787ac9774433c591e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_f5f7e08fcd4c842787ac9774433c591e_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
126KB
MD55bb3b15f9cfb3651ccc1bcf06470e3c5
SHA169c2228b1164ae75ca51ee4a8e04bda641f03176
SHA256694901a58ea3e223152f161d24c73e6fc3b9a7dadd39abd1f55122556be5becb
SHA5127b2fc0f91ecebdc396882b28b00e0bf216b9b607f10e9d40d42618aa4e39298a085cf40800fc096bbf0f86e16a9bb5c136444fcaa73c8d44483de71b955d60d6
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB