Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
12/06/2024, 15:33
General
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Target
2024-06-12_ee761d75bd5afe740fc8dce219cd8ea9_cryptolocker.exe
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Size
90KB
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MD5
ee761d75bd5afe740fc8dce219cd8ea9
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SHA1
d2cb620323df3e5bee14b02282fc6127cdd8eb0b
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SHA256
5d132f357d1013e26d22c585775ce3b096b9452f51a204634dbbb10fd7bd5d88
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SHA512
5a29bc3594583bf1507ff5c3500f944d9375450c3b3cc67ff1dac976ce16975cd6d5beb6efe78029ad09e9117e7727ad5aa547a530a9a961cab1b304913d1d5a
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODwW:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgL
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\2024-06-12_ee761d75bd5afe740fc8dce219cd8ea9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-12_ee761d75bd5afe740fc8dce219cd8ea9_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
90KB
MD53e40800d0f7b868ebff708d3246701e8
SHA19f74f5936c5ed9e7b6db0f0ef7fea66c9613e980
SHA256c34f84b07c9a2420c8ad1a7cd2cfcb28d5b5efb1d017eb0f31b1d0a7a922b6d5
SHA512d9cafd60603f2adea3ea6eccc8b1c19d0727fa15c90126bdecb3bc7be9f5f0a0836725e9997868d27d301565bae10a8f5d8b9f13a29dda6437e869acb008f8f9
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Filesize
60KB
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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
24KB
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Filesize
60KB