Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
12/05/2024, 04:51
General
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Target
2024-05-12_b68f5803f418c77b4995df3f245cad28_cryptolocker.exe
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Size
58KB
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MD5
b68f5803f418c77b4995df3f245cad28
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SHA1
c94595b099f6d8ff7ca069f32a4c9b187afa580c
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SHA256
83adfc489bd1fb29af1f44737dd75c1604e1702fba7a4698a8d85d4ce6dde0da
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SHA512
51094ee0614ffdb351238cf2ef2fc90da0f9295c7264653a70e6cae6815896e7d35ae37630972eba536bfa530fc219151dc0c6daf5e99d1819c7471e4f5e606b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaMeia:z6a+CdOOtEvwDpjQB
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\2024-05-12_b68f5803f418c77b4995df3f245cad28_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-12_b68f5803f418c77b4995df3f245cad28_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
59KB
MD57b996179582643075128f8f36ad0189e
SHA130c9899424b491dc6eb9c4006dd4961e1a5e0961
SHA256401591ee562603e81ae232d8e5bba28c58cb0ca6485cc7ef4a7440d8f78f3358
SHA5126d6cf91556ac7f8564bfcd7622a32e8b08c6022c28c2b07ceb054b0606e004b84fa0bbc8831478159980e6167f57de0a18a2f9fffa1203304061e2a451c725e9
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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