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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
22/04/2024, 01:49
General
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Target
2024-04-22_517038dafc5aeda00855795c110a0c8e_cryptolocker.exe
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Size
60KB
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MD5
517038dafc5aeda00855795c110a0c8e
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SHA1
d5b565b7d82e463450bb1b246cd06d3e6987ad6a
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SHA256
349db6206369ba95eac3fc928b2da9266fc66caa6414294305127c322fdb01b6
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SHA512
f5be8f05a80edd22af350e18b3f05430ee757f11d69de892d7e70a990af763e18198fed36f705c894440be7fbd022cc56cd1aacf82380980887efacc61034a27
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHNMhK:1nK6a+qdOOtEvwDpja
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\2024-04-22_517038dafc5aeda00855795c110a0c8e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_517038dafc5aeda00855795c110a0c8e_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
61KB
MD5c125eb9166be4beeef354a47f069e57e
SHA1137c70ac7f68055adad0bc8a031db52d14c16498
SHA256907416195d994b1c5b4e342f8e0942e9a1f8be440fa5597765c4841ffde28648
SHA512a25ec7bdd8afdf480ee1d6b4a609f32a48da355d13a24ae2a7d317fff0b7cc9cd288af1678c13afc1026fd346e89d82b19d94cd58e9713d0c7feaa0f70b963f6
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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