Analysis
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max time kernel
166s -
max time network
181s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28-03-2024 14:44
General
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Target
2024-03-28_8e251b001374514a01acc5cad7e55676_cryptolocker.exe
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Size
57KB
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MD5
8e251b001374514a01acc5cad7e55676
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SHA1
230b7b0375d0bfc67b24ef9cac2e2b5a7675efc5
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SHA256
2b3c5ced5d4190ddff063da139deacbf253780ffbbe6a230757c7f109cedd8c9
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SHA512
a889443662e4218f54db22da1f9d43f5a09840574c07394c99e0d181e7afccb8b2da09ff4fda7c9623c98581c5de0b7ac324835350d79a68e5498c7c049eb91b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaM6Kwq:z6a+CdOOtEvwDpjQ+
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\2024-03-28_8e251b001374514a01acc5cad7e55676_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-28_8e251b001374514a01acc5cad7e55676_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
57KB
MD5970a132e31587e866ecbbdbea44085c4
SHA17348e6fdc5bc3eb0b4bc1c8153363d6fa7f1f813
SHA256ad91eeef55bc7ebff5dc61f3d73f368137a4c38d095dafe4b87835cc349a0a3e
SHA51206df6bf67a3a1b6ca20dfc7913f4ef76aab47718ad755eabc8475de77ea6ecb9a4b281bd4a027a4672581b43b9576418c9f91df9798efb8dc3f2405144eda3b0
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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