Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
11-02-2024 15:46
General
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Target
2024-02-11_fa91802a1689632a4730f19df3480259_cryptolocker.exe
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Size
82KB
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MD5
fa91802a1689632a4730f19df3480259
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SHA1
7d6513c6cf734abdce338ba9cc2f6ae2e470f862
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SHA256
24cdeffa74149ef777a5472e98ec151b094cc746e963171c687dece4d81b3465
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SHA512
70d5d4a17c6cfe7067ebbdb4bd3dc6b702b9bcd80d79b595a9765793f836aa0cbecaf2b69a35f47bf973f144389353effe87ec17a347492c1d7891334e2042b2
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1cd:zCsanOtEvwDpj8
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\2024-02-11_fa91802a1689632a4730f19df3480259_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-11_fa91802a1689632a4730f19df3480259_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
82KB
MD5fd15ffdc87ff1f60a264dbca4bb7b735
SHA1eae63798444c75bd0775e85d5a60c30e89a6206f
SHA2567b4ae2b1b186697a43ab5abcb1c6df260181b6a9ad8354dcb0827bd53580f4c8
SHA512908c765af304b1017b90a764d08a27b14a28fe22d1049892d9c918f321a35e53d062dd1a74159fbe74d29bcaa82dda6a1db12bf4c59c2e45991aa4b6c8831970
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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
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB