Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
23-01-2024 21:47
General
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Target
2024-01-23_962009837d609643f0b051438e86b85e_cryptolocker.exe
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Size
63KB
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MD5
962009837d609643f0b051438e86b85e
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SHA1
8da1ac87ad2df2560ceed6c3bb2659e0fa1fd918
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SHA256
33e6079963939d923ee3fd67a67c8b7ac0118dd5af0519e1653e2a6e349a35c7
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SHA512
90850db497aeabd5d16998708148daaee154bb0ce6e0e1f6f6097ef2d9f0561ecff1ea1b013319d89af12e9c952b9a6ddbaf62ffb754f3f2021c606c24211132
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6Um:1nK6a+qdOOtEvwDpjX
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\2024-01-23_962009837d609643f0b051438e86b85e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-23_962009837d609643f0b051438e86b85e_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
64KB
MD510041bde94933aa2eb4af6f5357fe59b
SHA1d04ddeccaa0549088eee57b9384d9dae258c7c7d
SHA256042439e8fdaf988305ea5d806cb3e0e868549dd878b6e46a7abf182284d7ebbe
SHA512b9715ca0ae286782a5edf63e1e92d4439f914871e7cd49a1ad71aa0097d1297b56dcf8630c284ff41eb064763f4ba0c1775697ed5c1797c512c10b19221627ab
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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
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB