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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
29/03/2024, 16:38
General
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Target
2024-03-29_34a002b3864b12429e3c0cd7ed2be4ad_cryptolocker.exe
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Size
49KB
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MD5
34a002b3864b12429e3c0cd7ed2be4ad
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SHA1
33479dee8f0a965c7c3635b6c622a8233ad047d7
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SHA256
46fb18851d0c81eaaf30cba79df3fb31cd653b0b102b4a9a7b95e6c4faa1a553
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SHA512
de2a40d63276c686b74bb587faa9d5f6dd6e9f0dadc816982df7db3a0eef30297b392fa07fc2b1fecae9e96d99373a60531ba8c7c2406f5b5d4771ebdc9d3a78
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1tXjT:z6QFElP6n+gKmddpMOtEvwDpj3fv
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\2024-03-29_34a002b3864b12429e3c0cd7ed2be4ad_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-29_34a002b3864b12429e3c0cd7ed2be4ad_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
49KB
MD5577e642dcebf8be1e00a8b78e0fc9e3c
SHA193860b68bdebb290c6570accbb8130fc23f09030
SHA256b848f9d0562025610af22345adc8bbe9f0e88525adc7d149b981ef17fa4331f0
SHA5125a683efc24a031d073a40ebefef9e11aa2180006adfbe6880f980df31eabe154db8e79ca2d9e77e97e13433a80a31efd2f2b3de899298cf42cd5eec2693f1550
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB