Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
02/05/2024, 10:37
General
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Target
2024-05-02_64ca1a8c7ad6c8d19881533aa95f48bf_cryptolocker.exe
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Size
57KB
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MD5
64ca1a8c7ad6c8d19881533aa95f48bf
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SHA1
eb34acd6c5510c2acebdc80ddf28920f38bc6260
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SHA256
b1418db08c0c8d771c16837c86e67d0518d87d36cc01a26546cfef19276912eb
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SHA512
08121cd4d955df3337a1a1acc4dcff7b6b82256188f4c9ef8577bd126aa83eb4f66b117319d24effe7d7f3ae324bac9381f6d76eab00e59d840a852357fc781a
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax84QrPeK:z6QFElP6n+gKmddpMOtEvwDpj9aYaMeK
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\2024-05-02_64ca1a8c7ad6c8d19881533aa95f48bf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-02_64ca1a8c7ad6c8d19881533aa95f48bf_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
58KB
MD5fe891ac558149eac6687743e2254c7a5
SHA162a6ae84f8f2cb7e8b9cd9fd3c87223af3022da5
SHA2566b616cd4399734012a7c47afbef984a83eb8435ca8d04489e3d003352b485e57
SHA51206ad641fdc8395188af8e7fecbdd69356af2292496e08c6f6907fa581282c55d0ae152f52675afe48ab4d55d78e934c97ca022eca75ae65a2d38352a48589c8f
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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