Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
17-05-2024 09:25
General
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Target
2024-05-17_ba8984d5142a5b609ee71d978544a2dd_cryptolocker.exe
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Size
39KB
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MD5
ba8984d5142a5b609ee71d978544a2dd
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SHA1
aca22a378b343526eeff56d3fa3d1c81ba898035
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SHA256
db53d6975a86a62ee71f18dbb4b391c8d756befbaedd809928fadf0c2a0151e8
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SHA512
c2111544b2f54e278f0d24b39268639a887f5075783bb780fae4bfcbf30bb637874d89c348a1cdf125056239a68bdd4bbde756b762c4c6cf6322cd92efedcdac
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYjw8:qDdFJy3QMOtEvwDpjjWMl7Tkr
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\2024-05-17_ba8984d5142a5b609ee71d978544a2dd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-17_ba8984d5142a5b609ee71d978544a2dd_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
39KB
MD57ef88cb712de27a77ffbb9035a959b33
SHA16e1556666f238121ec230be7c66480fbcca6c331
SHA25610340cab03403bc6a6dc72817fef119d1ec401e64573e1eb864e657e204acfb9
SHA5127fd35ecffbd9d4512fd0c13d34a118f8bc53a477967a462d9685c95f438ad1b27138a95ed267bbccf815ce7c23544a2ee2960ee25c62d27e186e175fea428f62
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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