Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
20/02/2024, 09:33
General
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Target
2024-02-20_68d8d05902f8eee7f44291ea80cdd968_cryptolocker.exe
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Size
61KB
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MD5
68d8d05902f8eee7f44291ea80cdd968
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SHA1
052a8dbdaf7926d0acae8cb991b52ed82341ca68
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SHA256
65fbeef18cb58f8c8d74a141a1edc613b3ff26e817fa374341c843e72040daa8
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SHA512
1660914226d841f7c790c696c59490508af2d316281cd5531793537e0bf31843798d2ecefafb2a9b55d3942ace2a7b89579c227f6436a5150dc9a571bd22f7f6
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5aFr7YOzR8l/A:z6QFElP6n+gKmddpMOtEvwDpj9aYaFA8
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\2024-02-20_68d8d05902f8eee7f44291ea80cdd968_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_68d8d05902f8eee7f44291ea80cdd968_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
61KB
MD594ccff879673c80784473df036f221cd
SHA14d14dd32cc7248e6ca413df22b1bd9c09a7ac820
SHA2564e97dab1f399117dd1743d4dfcbb790b1d7e09fab98352e4d3ee757c20d59ca0
SHA5120c4a7400fd3fbf1c8d5cdecb8b484c58bfc287abb5a9b16612f4b37c1b36770ef6fb89186920758487a6e7d302d121525fddb4f2bf40d3eee411c2ef333218f2
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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