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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
25/05/2024, 20:13
General
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Target
2024-05-25_8b50c01381e128724046d5fe15ae0ddf_cryptolocker.exe
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Size
38KB
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MD5
8b50c01381e128724046d5fe15ae0ddf
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SHA1
b9c548e82d1277177cbcc5e381928c402f47038e
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SHA256
4099f34b18ba04070edb904fcead06fec66d7a52f38f78884ee39a84b11bf81f
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SHA512
ef9c0ab0c14a689defeb86028487fb2b36653ade68b9591312964d3b1fe6abffdca5c83ee38802c000890e8c35f7b04194b82deec1778b82994e6ec498c138e4
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBsf:qDdFJy3QMOtEvwDpjjWMl7TdI
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\2024-05-25_8b50c01381e128724046d5fe15ae0ddf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_8b50c01381e128724046d5fe15ae0ddf_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
39KB
MD5658640c36df850881300b0b19cd4498a
SHA1b67977f8783bbdbaed25e1d1715e7596f11c102c
SHA256be03268eb00e66bd56574b8fcdbfdd2fea6059ec929a2a51ab6787b0896d2c5e
SHA5124b084e4e078e0550b42058cc86137f2de250eee8bb993746f473d64e39221bfc72c78aa15c96b990dbd1f73a865ab85b10845e89b661da92e08f45ba2f630f61
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Filesize
24KB
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Filesize
64KB
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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
24KB
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Filesize
24KB
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Filesize
64KB