Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
22/05/2024, 20:48
General
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Target
2024-05-22_d377c268ed3d95b7d24b199196d101be_cryptolocker.exe
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Size
60KB
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MD5
d377c268ed3d95b7d24b199196d101be
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SHA1
9a3f9148dfeaa517e0ca451117ee99322389e7d1
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SHA256
b7845cdc769198a97ba2d898ad81c433d4b9cec3f0cefadba5ab5ca6e6e79fd7
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SHA512
f147020f5abad0485c36955e1028eef9145cdfc0340a739404b777e1124fe4d610490c3a31e3e140d3bfd8308ca1b256b7e8d173dd0d73db23fb62ef1ce5fac6
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6p0:H6QFElP6n+gou9cvMOtEvwDpjCpVXG
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\2024-05-22_d377c268ed3d95b7d24b199196d101be_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-22_d377c268ed3d95b7d24b199196d101be_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
60KB
MD5f6a843f89c94390c6bfce72414f020a8
SHA1fda39cfae7e3bca5828af6e057f20cb100841f97
SHA256f38c90c2127febb14723ab6d2dfba0ec60d89c93af74464c4e7871c33985ce7e
SHA5129efedb706956299d03f92f50e8280bd5d41c1ee2c91e1458d115b01b489841fea6f592cc6f7c94aeed83a8b5df2c53bc43c66179f7b5d0b84d8b64f0e5afdb9f
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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