Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22/02/2024, 00:51
General
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Target
2024-02-22_9e8f566340001c193568bc5f8d452d36_cryptolocker.exe
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Size
86KB
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MD5
9e8f566340001c193568bc5f8d452d36
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SHA1
0aa9398b93cad5c18b2652e7d2be85ce786e9701
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SHA256
75545c3a77c248a900f2a64770e21176b6c7848f0eb3c79d2cb9af67833b64af
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SHA512
3659cdd76cc7404df43e49646120b1644ee172f693e32c5137404b8706045fdc19f3c06b855a517d8b3efea37519dd8fa131b73e33ebdb189b9fee8cbc7b54bc
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtISEY:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgt
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-02-22_9e8f566340001c193568bc5f8d452d36_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_9e8f566340001c193568bc5f8d452d36_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
86KB
MD5464b5e1e3c6c2482624cd252a201a05f
SHA11cb1c507bf70bceebacd1ec07a31fd203f52d9ca
SHA256a135c49d25d7ae98e78183429c9314d807bd4f28048bc1d3a87ea8b79d06a476
SHA5128302e8aee1ce857ae2b45f8336ec7ef04b289b59d6af6350130d968eaf7eebff69483237eaed8327bee3684c622cdb8643a2cd5509dda6d59765155d1abe5597
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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