Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
15/04/2024, 15:08
General
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Target
2024-04-15_dc5a3940115fca04e4353d213da1f93c_cryptolocker.exe
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Size
67KB
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MD5
dc5a3940115fca04e4353d213da1f93c
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SHA1
36836e788ed17089c737f4e4a9a752f017f17fa3
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SHA256
f7dbee43c1b11b113ec5e145490e047ded79eb47a393203c95ab9e2eea554e54
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SHA512
bbc0ef7fcdfe193fdd66e9a731d32ce7f98d8b162bcb58650b91ba54886116378bfaa59600b43355682ca835761679b4e199b5de403735723b31eac3f81f7490
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SSDEEP
768:quVbxjgQNQXtckstOOtEvwDpjAaDOK6PsED3VK2+ZtyOjgO4r9vFAg2rq6W1A1PI:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAI
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\2024-04-15_dc5a3940115fca04e4353d213da1f93c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-15_dc5a3940115fca04e4353d213da1f93c_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
67KB
MD581dfd6d80e6029a73a687078b4285d28
SHA18d782309a1dad3ca12c721d59ce252b4ba65389a
SHA256eca95945324728409aaafc68fdd3ea25f51230cdd36268b0484238445fc2dc9d
SHA512bf17ca26e04a339197f463e946d15c53296bca4cb4371a705b06f01bbaaae5a1276cca9df26a1b48e47e05bda16b837c1d8d9496066eedfb68c76ee1625bd5ea
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Filesize
60KB
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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
24KB
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Filesize
60KB
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Filesize
60KB