Analysis
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max time kernel
148s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
23/01/2024, 19:03
General
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Target
2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_cryptolocker.exe
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Size
73KB
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MD5
f7ebddde3e8b8f0b8860c1676b4cac9f
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SHA1
9f24f3f241a301b57c3a389f23b21677edb1c963
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SHA256
5939af116b3fabf8ced5e365c36a4b821553b8b8ab45a2508281f015c7f07756
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SHA512
46d147e516d28ed085b6fdc622ca7a035d51a98d733e5446eadb2abfdd3967fabea0bd667a241ebd2fd59d8e4798fcb74e29fd70273b1b076b81a94a8076d824
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcz:T6a+rdOOtEvwDpjNtI
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\2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_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
73KB
MD5c73ea959f47cbe1c869ad1170b0a2e81
SHA1fd2894dda41b6521c446078c2813a594d65af2c4
SHA2563a338592230bbe22dae5ad9e5fab890a1fd435e651db28bc2572a6af34615d0b
SHA512d6df94caa7d7502c462a182fd1181575299fdb430ca25e87bed6bb92231520d85b2d05829ffde9d0d323bfa20b0a7025b7dd889d5c43ac185156484e920d888e
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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
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