Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
17/02/2024, 09:42
General
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Target
2024-02-17_a80c0b74b8f4e71ae03344f5db044b3c_cryptolocker.exe
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Size
125KB
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MD5
a80c0b74b8f4e71ae03344f5db044b3c
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SHA1
416838f323a40c2e9b3a4fa2c7970d7e848e3706
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SHA256
ab69f7d6ddd11663f241d005b9fd7f3c67de6778c06718d578a355a5494d6440
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SHA512
aa59c6b46b07fb4f0fc193c90cb5ea56a152400cc929dc1028fe96a8814ccabbf1bee958881f934790a7b317e6b0313ce9d0bea0e0c80c81396fba5a77386cd1
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eb8:AnBdOOtEvwDpj6zG
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\2024-02-17_a80c0b74b8f4e71ae03344f5db044b3c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_a80c0b74b8f4e71ae03344f5db044b3c_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
125KB
MD534f8928b6295dd6d28af5a5ed5af9700
SHA12be8c3aed6e4190b26f4a44f643a66c62666030b
SHA256d4ca042dbd782ecb775a6b5d609a8b74ef66b4a6d05f83ab841094dbe4477189
SHA5122bf0779e1b3bd6ac63466e435049b2d3ae354555271747902141b56b857d802a22a7bfd37e662cf93049e068faebb121ae74423ac2af034203aebbc268be61de
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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