Analysis
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max time kernel
141s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
12/03/2024, 05:47
General
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Target
2024-03-12_9bda1e9b7d8bdffef0f89d63069c1d1e_cryptolocker.exe
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Size
86KB
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MD5
9bda1e9b7d8bdffef0f89d63069c1d1e
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SHA1
741ba5db4ae84eb8c8ff15675168062746339d4f
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SHA256
1ac5cda50e243fbc85f2b4177ec8b74dd198bedbb869242b6f140b5c96e0f584
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SHA512
e19374effcaf1b1eeff8aa94a061923a540df34c09eaa2a61adc375c615a4a1b7415ee4591d004077c2a5ad1a525f4a78e688dc77c53f6aa2c304803a8d53602
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgOm2:AnBdOOtEvwDpj6z6
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\2024-03-12_9bda1e9b7d8bdffef0f89d63069c1d1e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-12_9bda1e9b7d8bdffef0f89d63069c1d1e_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
86KB
MD56d4efb732b1da9730adbb13590cf5f85
SHA181a7b2c58557ee3184917a8c2b3be4287f6a83af
SHA256ef7bdb1cc6455fc60ed808f35b5a9f66183cce89150703718668eb9f6fa22703
SHA51266574256a4e57c1231090bed7172b62d5c2d2b1ba244099a5b2209af30fb1732d101e9337adcaa9e264c26825f536e926cd63f5c83633df6e9bbaf43539c457b
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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
60KB