Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
25/05/2024, 01:45
General
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Target
2024-05-25_d3902d69fa2252ca39be5a1c7c418714_cryptolocker.exe
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Size
74KB
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MD5
d3902d69fa2252ca39be5a1c7c418714
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SHA1
4cc71e8abbb6f584e3560d919c7032d2a608069c
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SHA256
3a7da0c056a9e87a4fe7a82fd1631a914029cb6fef835868e136b1c20c98eaab
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SHA512
f9ae9963ac5e2d8f13eefb0652b21e22952bd5f33504be47beb456445cebcb6fdbd488e9c991bbcb76f2dbe33db7395fd3ba40265f133cc34e1858ecc7cd2623
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GB:1nK6a+qdOOtEvwDpjk
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\2024-05-25_d3902d69fa2252ca39be5a1c7c418714_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_d3902d69fa2252ca39be5a1c7c418714_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
75KB
MD5f2cfc00072a671445fe1bb50526b4fa1
SHA15c4565127f3b9fc27e28c18a4940aca40e8a36d6
SHA256110388011a615160f883edc291dd8f21fe8084cff8ba125c7b0417fe80aa03db
SHA512525b1a0ca337e702d66054a286f4ec380f4674cfd6a19e063c951f1ef999678f32ff595d3c72575f10dbdadf96db6b066f644885002feb1a28f2cf7faf578c5f
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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