Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05-04-2024 05:48
General
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Target
2024-04-05_c691bc7c46c8e7cd7f7ef4dc40b3372b_cryptolocker.exe
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Size
21KB
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MD5
c691bc7c46c8e7cd7f7ef4dc40b3372b
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SHA1
46931ba4b7631b5f8244942ed44fe3ebf6f96936
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SHA256
9658bbf8f4eb934642dd986caa81d5d0fe2c7baa305becb7de9807bab0df03df
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SHA512
e51023be84e46f64506f3e502ae20c5c96f891f175d96e746c53d28616658c3a715d672f5032c8c39542ec90e789cd3060d00250fc7c0ab7a756f885c997b914
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDpl:bVCPwFRo6CpwXFXSqQXfjb
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\2024-04-05_c691bc7c46c8e7cd7f7ef4dc40b3372b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_c691bc7c46c8e7cd7f7ef4dc40b3372b_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
21KB
MD576e864601eb9e4370ba626cf2d47bdd1
SHA1be634f482acad8b27d0b4d0dde2698657f8ff3a5
SHA256fe2d7ab3016088169e31b34b7fb34ce57e5a37ee023779965e32a902ec1bb012
SHA512a6b36d6263b1ccf1a873364b38833f0e98771e432ebd499364694166d2c7da82379702768089bd4a731e600cdb90d2a045b5e4c1efc7d06a992331a7aa05f2cf
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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