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
09/06/2024, 23:48
General
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Target
2024-06-09_e611367f1e6224e9429f28b8d866cdcd_cryptolocker.exe
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Size
40KB
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MD5
e611367f1e6224e9429f28b8d866cdcd
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SHA1
2ff5fa462a566f9c9ef3452862a35859ab735d3e
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SHA256
cf3ab062daf52a95f278f20fc4a6f46326640d6cd0afde348fe5a608526230e3
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SHA512
cc0ad26e111c46645bc6a6f9529b0bf6e95ca3430e509197c60f8093c1a8422dba0282de8bf30eae7d32e389cfba0c04e4e085c953b22746a0f1224a51cad448
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBk:qDdFJy3QMOtEvwDpjjWMl7Tdu
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\2024-06-09_e611367f1e6224e9429f28b8d866cdcd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_e611367f1e6224e9429f28b8d866cdcd_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
40KB
MD58e0feb6ef1d3faa0b0e2832e7e3314df
SHA1a9e052696f9cf6339f7b0842bb82732d3a14e56b
SHA256a8327d530cc8d6f8509023e53f1bcb538c7c3045f8f38e4ec1a1e29b7d06c22d
SHA51231dc60fe68824a10e1f7d5edcd94e4266f8f37b51021be1805f0bc8fac1f617f010c5d1bf5c4ba8b559f75a9578515e511a5ed7126392b35d073540e7c9e38bb
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB