Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
14/05/2024, 03:27
General
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Target
2024-05-14_0acfb6da0b323d2e40725e665b182e31_cryptolocker.exe
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Size
25KB
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MD5
0acfb6da0b323d2e40725e665b182e31
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SHA1
f8001dab18c3e3845611cd37aeecfe989b99f520
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SHA256
3718b3c9ead544fec324fdacef04f0a1778b5d5a150139c51bc0745d20bf4ae5
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SHA512
2879702fd25d6c917a4fc026f4104cb219f97c5b6e515e0ad719b6490aa9f6c2b97c975cf0fd414cd2ccaac60aa755d15d6eb94382ee9902876bc723d0334f1c
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6Hnpz:bVCPwFRo6CpwXFXSqQXfjAH9
Malware Config
Signatures
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Detection of CryptoLocker Variants 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\2024-05-14_0acfb6da0b323d2e40725e665b182e31_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-14_0acfb6da0b323d2e40725e665b182e31_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.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
25KB
MD54bb019dfc42990597bcf5496592f3de5
SHA19d5284e0921c17da8f3e04dd39198609d1ec039b
SHA25618a3cdb0838ede981ff177ef9eee870df9b2cca61a5aa37f2131047235d199c8
SHA5121ff4c48e0ce45003f6522d0b6886ab099d5ce9c3f184cae74d6152940a3e994cdb33667ce1ce76bf663f6c9c4df06173ee4dfb3bd4e47e1f6c60da86956e420c
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB