Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
11-05-2024 07:25
General
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Target
2024-05-11_148ad0799e15dc13e924c3e1170f5904_cryptolocker.exe
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Size
51KB
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MD5
148ad0799e15dc13e924c3e1170f5904
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SHA1
9138e7b3b40fae135acbf13f75b22c99b027ed67
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SHA256
e20ac32c495cc014dcdbd15de99a48a0c1abc91c5355cd81478a80844558bfe5
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SHA512
31893939caaf16eb4e3a57c7f71183ff167482d430e77f8ae939302c9e6b4c6212c9305e7b478352940e35c5ec2f94d7eaec3710189807341cc30ccda386fa04
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnTHGfSe:79mqyNhQMOtEvwDpjBxe8GGfV
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 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\2024-05-11_148ad0799e15dc13e924c3e1170f5904_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-11_148ad0799e15dc13e924c3e1170f5904_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
51KB
MD5a3d8f99d8cd846ff023336065911328f
SHA112c35fb0a2e55f05f33a510326be9e62cdcdc88f
SHA256e29756cdb9ffb942308c93daf3182dd85a8588350b72d540198e824b39042468
SHA51271da866a52be34d9ee04b2822ffaa410546786622d25e8c8087aea1a4122f91a43ef874d3a3bdf6f90ec07c87ae1aba11c11d79a70ff44e316e27316ebf7c229
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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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