Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
25/05/2024, 21:26
General
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Target
2024-05-25_50e4fe3073a1156b8721903c0663321f_cryptolocker.exe
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Size
90KB
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MD5
50e4fe3073a1156b8721903c0663321f
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SHA1
47435cc78ca641f17687f96a13484e003836eb0f
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SHA256
451a95132d7da7aa3529276572a09d75af538bd21f30070d4f7dbd0a71e1f61b
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SHA512
a544451d7e2eaf6260a3e21164360b5e66be244d531448c9abff742680353e38fa52e0359d56257eadb31fd26651b8b5f960c81c9d95aa0fe4abf047c55ac1a2
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyT:n6a+1SEOtEvwDpjYYvQd2PO
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\2024-05-25_50e4fe3073a1156b8721903c0663321f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_50e4fe3073a1156b8721903c0663321f_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
MD525384d6f4884a2d9548ebf70d04ad73f
SHA152364833ba6de6694a26308e5adafd8d9c2ded7c
SHA256f3f727190ec4e0eb7e8fb57632c876af948da13cf72e5acac8d25d0fe4278d5e
SHA512c1e9272352f0847baeadfc4f2b549f81a785c93006b178bad938f1e1590fc6f9c97a57de72b50b8cdbba01d2c89e49d47f721b9eacfdd766208be3397d2bb293
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Filesize
64KB
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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
24KB
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Filesize
64KB