Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
17/02/2024, 18:32
General
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Target
2024-02-17_64a3ca1af8fafacd154d819ab9995419_cryptolocker.exe
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Size
46KB
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MD5
64a3ca1af8fafacd154d819ab9995419
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SHA1
58f22151cbce5824617215f8fa4cdf5ce444dc03
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SHA256
a780b4634401c3acc44475f89474da652a805150bf315750ec26496c6e1ffc90
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SHA512
8608fce85d60424c1c5383e636b9946a0c6017b200806f9bc4ba9155fbcfe40780b1490f617a8ac6f3457ed2b84f420119ef0d8c63031903de42c643993b5373
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MocBG:qmbhXDmjr5MOtEvwDpj5cDtKkQZQS8
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 4 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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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\2024-02-17_64a3ca1af8fafacd154d819ab9995419_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_64a3ca1af8fafacd154d819ab9995419_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
46KB
MD591427b64ec1f9f37ec2ca71e57c90f88
SHA1304727d21bc6780cd5e5c6eadb0e5857fd1937c2
SHA25642980c8688498549f821f9b2441c250b833116b4add028b59c02a7e1776e92e5
SHA51239ae63da512fa36857e6f2beeabb48776faf018499a03389e705792025558ce38c77733d9ab1aecb2061d35f0fbb4a18d719f7d8cfd08d344c227caae9a87ada
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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
24KB
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Filesize
24KB
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Filesize
64KB