Analysis
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max time kernel
52s -
max time network
54s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
27/12/2022, 17:01
Static task
static1
Behavioral task
behavioral1
Sample
YoFenix.exe
Resource
win10-20220812-en
3 signatures
150 seconds
General
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Target
YoFenix.exe
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Size
397KB
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MD5
d99bb55b57712065bc88be297c1da38c
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SHA1
fb6662dd31e8e5be380fbd7a33a50a45953fe1e7
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SHA256
122bfbb9f67e355340991deeacb167be9c12ad726b5a7c5779448dd0cc4af0cb
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SHA512
3eb5d57faea4c0146c2af40102deaac18235b379f5e81fe35a977b642e3edf70704c8cedd835e94f27b04c8413968f7469fccf82c1c9339066d38d3387c71b17
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SSDEEP
3072:puzvch1rugYc4wqYSRR756K7ItBjgXHUYCnlK:Wch1aIqYSRVM+unlK
Score
4/10
Malware Config
Signatures
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Drops file in Program Files directory 12 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\ntdll.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\ntdll.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\jvm.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\jvm.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\dll\jvm.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\ntdll.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\ntdll.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\symbols\dll\jvm.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\jvm.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\symbols\dll\jvm.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\server\dll\ntdll.pdb javaw.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\ntdll.pdb javaw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4320 javaw.exe 4320 javaw.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2692 wrote to memory of 4320 2692 YoFenix.exe 66 PID 2692 wrote to memory of 4320 2692 YoFenix.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\YoFenix.exe"C:\Users\Admin\AppData\Local\Temp\YoFenix.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\YoFenix.exe"2⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
PID:4320
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