Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
23/04/2024, 03:36
General
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Target
2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_cryptolocker.exe
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Size
96KB
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MD5
4f1cc02e954190e5536b5c2fe8bd75cd
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SHA1
c6b725d58b30ef12b343b744be814ab2913a6b7b
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SHA256
d7850fd01e308e0e44e3554174e72acd9d4b1db2c87713447b70b372aa7be80a
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SHA512
685f296d9d9ad3b1b2e09c41d8867f6ab1f61a842e867ee7585a7763bf51a5370d5deb590941d99692e57f753b0573ec8440c092328e3f87b020edfd37d1f88b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bp:zCsanOtEvwDpjBt
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-23_4f1cc02e954190e5536b5c2fe8bd75cd_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
96KB
MD57678ca855ad59a18a1faf0c9cefd6456
SHA1c5b077e704f00190dbeb6232e1adcb237693d518
SHA2566476b25d69ba053a41cbf689fae3c60dda78519a06e806185adfd34a3d882a8a
SHA51225d4df9ee1269f90c948b32f10763691b54caf96c3c9a162260792d7333b082aeb678237f269a7926df3e062fe29e41265d423e47d206d59c98636da7177d7d3
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB