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Analysis
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max time kernel
150s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
08/05/2024, 06:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe
Resource
win7-20240220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe
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Size
196KB
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MD5
fcd18c2b1fc9f9c20eeb803658b637a0
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SHA1
20dcd1d6bf3265aa60ac9c05ade37c9451a951c8
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SHA256
c72ba1528ff97f3504b92bf7006d5e6326b306afba96139fa1130d49abd74de9
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SHA512
107748c520ed4e241981557e6a5f8c565e4ad20d9f0a8f7d0de208c40c36a38e691d13fb051dde46b32388e655269c2093e82296d7f0f70e7d2bd776d052ec55
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SSDEEP
1536:PVqk3NUhJtOaZk1GDGe0Pdb+d6DiUYot00gwX:0VLXzDDypy6DiUru0gk
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" riuifu.exe -
Executes dropped EXE 1 IoCs
pid Process 2520 riuifu.exe -
Loads dropped DLL 2 IoCs
pid Process 2836 fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe 2836 fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /o" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /y" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /Q" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /G" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /J" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /u" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /S" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /X" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /Y" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /t" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /L" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /z" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /b" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /P" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /m" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /g" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /l" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /D" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /Z" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /F" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /j" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /w" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /I" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /K" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /q" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /N" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /A" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /e" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /h" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /s" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /E" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /k" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /H" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /i" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /R" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /T" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /r" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /f" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /c" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /x" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /a" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /v" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /p" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /d" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /V" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /W" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /B" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /O" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /M" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /U" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /n" riuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\riuifu = "C:\\Users\\Admin\\riuifu.exe /C" riuifu.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe 2520 riuifu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2836 fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe 2520 riuifu.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2836 wrote to memory of 2520 2836 fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe 28 PID 2836 wrote to memory of 2520 2836 fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe 28 PID 2836 wrote to memory of 2520 2836 fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe 28 PID 2836 wrote to memory of 2520 2836 fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe 28 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27 PID 2520 wrote to memory of 2836 2520 riuifu.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\fcd18c2b1fc9f9c20eeb803658b637a0_NEIKI.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\riuifu.exe"C:\Users\Admin\riuifu.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
196KB
MD54d31fc8789e3cedce3d88f6e9947d3b4
SHA1fbb427fce808e899e1ed61e1e5a5a028b282db38
SHA25604ec113fb53148bd9e64660d83b2db5c9578236d791ecfc88519e842e4d01034
SHA512929e6f3e1b402517be683b7ef91abc9dbb7db829675d75c3802cbfcf3c1ed338491e7c63343ad179e44c7b1de1bd27201b8d4e291d41bc9f439963fc8417c27f