Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
24/04/2024, 20:33
General
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Target
2024-04-24_be9b2bcf98b6fe561bc64d001f9497c4_cryptolocker.exe
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Size
87KB
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MD5
be9b2bcf98b6fe561bc64d001f9497c4
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SHA1
816459ab6dedc0bb867086675c817ea6310982fc
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SHA256
f3b70f3c1c721ccd095f7eb82bc358a9673958f86f47813c02d03bccd1fa24e4
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SHA512
5065938f63eacf6d8e1140f017b3c48b108cedc8ffbcf29770563b29cf5d72b73813413e1281526bba5554fadefdb5a4653e4628d3e83778d47c53ae3240960c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg53:AnBdOOtEvwDpj6zd
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-04-24_be9b2bcf98b6fe561bc64d001f9497c4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-24_be9b2bcf98b6fe561bc64d001f9497c4_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
87KB
MD5f9cdbdf8866b7a496fe30ab987798e03
SHA190877aaea8f7d943da1824c02bffc9f5523008c9
SHA2567ffafbfe7f38ed46aec9623fd3360b24076b09110b265e107b7bd5278ffc7d62
SHA51222f5f0f7b16025881a32f0ef4e97c832f04988eabbab6fd7df9c312fd0a2c26170dbcb88c928321b0fc292481c5e7d9eb5b1ab53a3a0cffa6ace2b4785a7ca94
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB