Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
12-02-2024 20:04
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe
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Size
33KB
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MD5
7c447cd0a46c75b623f1963731fa209e
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SHA1
3b21c8cd424b1aa1d2ff4bb6b572f32c34ed9202
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SHA256
68306f92dfadd468f708821b057f7c0e047c912b6cfa3b16d5ca4a41dbc3cdad
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SHA512
f0ea830eb3e562df6d23644dafa52b71596d03d582ff66c8a240f32dd3ea933d26eeee9b628ae4dbe240696697a9d7746c6f6e528bfebddf8b73ededa9c22aac
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SSDEEP
384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxVfdsHYUpZ:bA74zYcgT/Ekd0ryfjPIunYw16lZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\hasfj.exe CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
Processes:
hasfj.exepid process 3064 hasfj.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exepid process 1652 2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe -
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:
2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exedescription pid process target process PID 1652 wrote to memory of 3064 1652 2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe hasfj.exe PID 1652 wrote to memory of 3064 1652 2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe hasfj.exe PID 1652 wrote to memory of 3064 1652 2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe hasfj.exe PID 1652 wrote to memory of 3064 1652 2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe hasfj.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-12_7c447cd0a46c75b623f1963731fa209e_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:3064
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD5a80f093650cc894df65f2802ac8ec3e1
SHA17956bb9bbaa8dc4945e923d5900c6c7617e7f831
SHA2560a7da515283fa4915af665ad396f25c4328ac35449347b55daf77663bce0e0c1
SHA512dcb6971bf48d9327e289e06d7fadbac1ddf8fc928297e99df78709ffcf6b44955e911b1c76e2cff0b37a10cbe5c18b2d376c88b58a2f02befdc665738c0237b7