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Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
23/02/2024, 09:44
General
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Target
2024-02-23_4bf641e356936e76c7232d0159b7d8eb_cryptolocker.exe
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Size
59KB
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MD5
4bf641e356936e76c7232d0159b7d8eb
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SHA1
3a536380793f3b004a57fa7326251653020e4a8a
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SHA256
9ac7d646bd5d07671557665871199f9f990b73631ceb7509cc173c8e1f43064b
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SHA512
dd9f6c2a432fd9514b9cc204c6bd0612f859d79df461d3d907aca61054876aa9f553709414dd14a5b1be6efbef89dd3754476aaf8e4a3380a25bf9f4b6dca9df
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb614MD:BbdDmjr+OtEvwDpjMD
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\2024-02-23_4bf641e356936e76c7232d0159b7d8eb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_4bf641e356936e76c7232d0159b7d8eb_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
59KB
MD575610b6e7a7b7bba5ef7753744a2c2d6
SHA16c8080eef8602b725f438b3bb2d6e097b0be43aa
SHA2564651225fe4560230d7d0f2c443f8fd7fc43dee812a9ed81b3e6e772abe694d2f
SHA51237e0094a64ac065a1d3dfe5cdc9d100d1a6b90e87927498d94e3d66d2b4f558e3908e2678560708c54d99cb6298cc0dc0c888c89e2b1edd9c95d2aec5a530eea
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB