Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
21-02-2024 11:50
General
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Target
2024-02-21_e59917dbbae23f18d9a63e85f9e0e920_cryptolocker.exe
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Size
87KB
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MD5
e59917dbbae23f18d9a63e85f9e0e920
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SHA1
ecb86ce46c8a45d037cb837f3b030d7428fd9c41
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SHA256
90bcc3be7ac0dc8ed890eacd2aef99da7adfb402760964976c073c5a47271948
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SHA512
6df5b63093b378af10bb2b9ac8d998c1eae6daa99b26a0bf2d966dcc106a68e1f028ecb08b0f9b9c9dd23fcaa180f32bac02f7e534a134861ce9aefce0a58be7
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgLq:AnBdOOtEvwDpj6zy
Malware Config
Signatures
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Detection of CryptoLocker Variants 7 IoCs
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Detection of Cryptolocker Samples 7 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\2024-02-21_e59917dbbae23f18d9a63e85f9e0e920_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_e59917dbbae23f18d9a63e85f9e0e920_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.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
87KB
MD579efd3994792cc47741f77f7328fbac4
SHA100a581d519907ad65db506136ba6848a4eda6d11
SHA2562877ca6f7a775026361b1b3ade2df83fcb1e6e209b6d1d53115fc304f1ed4fa5
SHA512243c64421abdd4ddcd572097b281efa7e8c3da56a116c62771fe704111dd598e6dea8e19f909d9ef4956b3a0fda048fb42bf02a89acbc7e331a070bebaff0c44
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Filesize
60KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
60KB