Analysis
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max time kernel
145s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
25/01/2024, 00:38
General
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Target
2024-01-25_97a24af89781422ee1e80bf6be8962e9_cryptolocker.exe
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Size
91KB
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MD5
97a24af89781422ee1e80bf6be8962e9
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SHA1
539494c623e62c7eec562d198b98d559a0987650
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SHA256
82dbbaa987a5c959e5f6b2800d0f11948b6fd70d9ec18b92b56b9481c456ac97
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SHA512
1888127ec0c0744d1fefc477face9e5e224f8c699137dc655fb3cf97b420d4b2565b3e0e35bff86e5e5ee9a3e4cadb6ab2fadf1d31b3f6b57b706763595aafd3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/s:zCsanOtEvwDpjBs
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-01-25_97a24af89781422ee1e80bf6be8962e9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_97a24af89781422ee1e80bf6be8962e9_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
91KB
MD5ef1b0992bca0e4b815cebfd6e5df063d
SHA18a1fffc218909a0bc54aab8759a69492d528e58c
SHA2568c27aa903ea399d2f3f61885ebe9d93f5583e27e5e6abc00160b41fd6068054e
SHA5123209eceed8e1edf9e2d8826cd4f30ee42792fbe90a1ac848f8b357a9c290c868bba657baed4acbcfc2d5ca248cc776c633b9a3e2098b0ba0446ace1711f185d3
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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
24KB