Analysis
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max time kernel
150s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
21-02-2024 20:33
General
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Target
2024-02-21_4757830ecba17a3e7b75544a19a669cc_cryptolocker.exe
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Size
125KB
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MD5
4757830ecba17a3e7b75544a19a669cc
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SHA1
fa4ad3a8a6f6d986142b3387a8f9df5a4329b48d
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SHA256
c790c712cb7e5690715e174833b258d422b4c0f1ac96b4e0748eeac667dcbbde
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SHA512
8d73e62f1f4bdb753d87399ef4da52f3e1529a132f576c686d69d414d9318133d1f3033ab4e2a1652b77918c7070243386fc88643024c22ebe0da83bff1d1b6b
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eLH:AnBdOOtEvwDpj6zh
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\2024-02-21_4757830ecba17a3e7b75544a19a669cc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_4757830ecba17a3e7b75544a19a669cc_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
126KB
MD57e53fdfc0234eddc6bcc8c79db455b7c
SHA1563fbc6765dc64ebbf7813122e62e291c0794918
SHA256681f8f40370b7af6f364c701b98f6d6114eb64acc54cc2b7f2f7383e242046cf
SHA512262a69c360f71bb3bdefa266d4fdf7f09c95f12bc34449b3041d295b47edeac22275390fe9b6d4ac911d1e67444ee4c7736c4fbc02f7173fcf1db503a83f04a7
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB