Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
15-03-2024 09:43
General
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Target
2024-03-15_531589e44d397a891fe0b6d0199c48bb_cryptolocker.exe
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Size
80KB
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MD5
531589e44d397a891fe0b6d0199c48bb
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SHA1
c5b2f3c61c536c9980ee0cef32eb22ebbf6e1c03
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SHA256
b0e08bca5aea3b25fc5ddd8c099079cefbd9c8e2019320b388e41cc07a0bd2ff
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SHA512
54dd34e52cc8fc987ab5ec8cb3b9bf7e74a80a50e6865e4f74aeff05bbb5fa4b530bba9208f87a2d7e523b5552e1873f3fc32464825a17623928bef758aced45
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT78:T6a+rdOOtEvwDpjNw
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-15_531589e44d397a891fe0b6d0199c48bb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-15_531589e44d397a891fe0b6d0199c48bb_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
80KB
MD5cd52fbda50f3ec2bbf86cd1820a9c3cd
SHA12fc3d8c650ed10aca426ada4e1fb8fc31518bebd
SHA256964b665eb192e633415c2e7b83b0cf3c51a690ad0a377c9eead2ba2706db75cc
SHA5125e613351c59066a4ffe17baecc6d72360c4c3fa9a016f912b4e57bfa27c50dd44d71888969a1525c383e276d3e86c8297c31e650815bfa3ee0cea8a36d2b9818
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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
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Filesize
64KB