Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05/04/2024, 05:48
General
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Target
2024-04-05_c357cfb7aa98c2381eabaf674cafc9b2_cryptolocker.exe
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Size
37KB
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MD5
c357cfb7aa98c2381eabaf674cafc9b2
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SHA1
a62c72adba31f62e77dcb0c0acf7ad1e8b3ba3da
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SHA256
7bcf5598d5118a1510376b9dd5d1591dad594c66458e8024391abb928f6dbec7
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SHA512
7f963963865484f33bd53800caec1a27fca7a334fe85ea1e541a56bfd5dec539273f69f9d5505b6a8411fb5c19b5c9fbf52a5178f022601839183e659323bedc
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITs1:qDdFJy3QMOtEvwDpjjWMl7Ts1
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\2024-04-05_c357cfb7aa98c2381eabaf674cafc9b2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_c357cfb7aa98c2381eabaf674cafc9b2_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
37KB
MD5ead66f2bcc4b304b14d936d33fd67375
SHA13c2ab025ff30d7375bca683ebd149f7ea8768dba
SHA25685063f12261e4a4ad7185dab016575fbb9db34867f310a079cd9fb2959bee50c
SHA5121f12a6445827b8a085156c683319e135da8e3400db87c81da860ffd2f518c760df94f783c8d675b06ac07c7818ef0e7d09ee8f82baa491f57656d9b7a68e06d7
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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