Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28-04-2024 21:01
General
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Target
2024-04-28_f79c147420873c922a4d637268f4b29d_cryptolocker.exe
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Size
38KB
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MD5
f79c147420873c922a4d637268f4b29d
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SHA1
4c8ce1a90226abdee2e80e2133ea54502f9e528d
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SHA256
5a6b1d44b89ac6e41283fd17948557ea05630bbf635cfb5da163470a687bb576
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SHA512
69c31376ca7cce487ed7aae4d8bb09fbace530aa732b09802ab192d5ea283fe0762ceb5ec8043d65e3588dc943e4b764b67889f0102c511022f8c5d2acc95f83
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY90:qDdFJy3QMOtEvwDpjjWMl7TT
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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UPX dump on OEP (original entry point) 4 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 4 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\2024-04-28_f79c147420873c922a4d637268f4b29d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-28_f79c147420873c922a4d637268f4b29d_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
38KB
MD5eb7733096bafd0f4f0bf9f6edd525a7c
SHA10830fa9cbf6f5ccbc014839acae8951a83f53978
SHA25605c024db75a7b7d7385288cbecd60486d0ca30bb7a6c5221cd9383d0acc260f6
SHA512146234bf9ad31927da88235594feb9ffbbdd13e0d21ec6f344fd7da09a1c6cfaa938d2628ec221e1af1945e1dbc9d1017a0a51ba85aec805fbcd792dd7beb4f2
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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
24KB
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Filesize
24KB
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Filesize
64KB