Analysis
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max time kernel
141s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
10-03-2024 16:29
General
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Target
2024-03-10_71631bd4df6e8882695f1b8f8233fb71_cryptolocker.exe
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Size
62KB
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MD5
71631bd4df6e8882695f1b8f8233fb71
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SHA1
761b85bb5d012701da3bdfd28942513a9e401aff
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SHA256
87df76e890933c81748298b443f6bc81bdcc37c46d13d53f7c8f27fed682da48
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SHA512
15230aef1f23254bc4253c5511bec417e459e3b6d2b3f4791792b79348c715216f60f6d361ffd6b194c662802944684e1d74adfb050cbc4cdb937edb09b79980
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtstY:BbdDmjr+OtEvwDpjM8W
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 4 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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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\2024-03-10_71631bd4df6e8882695f1b8f8233fb71_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-10_71631bd4df6e8882695f1b8f8233fb71_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
62KB
MD5ce7d8e63150488b8885357fdc432493a
SHA108f7d164082f02b7dbd69d5b8a18da8090d0262b
SHA256741f1f80ba1daa314fc4099972e7eae4af12a8a7743d9b03aadf5409c169d85d
SHA5126bee0af6d4adc31f42ef566d51a9949fe401faefcc62dd18a4f33991718b2b32d2089cfc5337f8daf1c69524f356bba409c71d7b79e219369e199f12242ea5e4
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB