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Analysis
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max time kernel
206s -
max time network
207s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 09:16 UTC
Static task
static1
Behavioral task
behavioral1
Sample
dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe
Resource
win10v2004-20221111-en
General
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Target
dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe
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Size
312KB
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MD5
225781f7bf59c7f0bcd643a9984bdee3
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SHA1
034ceb777791bb3764908f8317ff29464b1e0701
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SHA256
dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b
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SHA512
4e4e40940277b039d4fe0fdfbaa4388b9ffea7272a5f781308a29a6d5cdfba5034b7fab6b4e4c6928a33a75f49c4fbb52e093a2a0d83f0eb36cff42dd989e66b
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SSDEEP
6144:Bwc+PaJXYd9hxr51WxWHdzvprYZPpYUQ3m1zBdP7F1:/XYd9hxrrYWhvpEZPKr3m1z3Z1
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rnmay.exe -
Executes dropped EXE 1 IoCs
pid Process 4832 rnmay.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /a" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /k" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /A" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /B" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /w" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /i" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /b" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /z" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /S" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /U" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /r" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /e" rnmay.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /l" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /C" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /o" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /g" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /q" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /H" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /X" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /u" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /K" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /I" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /t" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /j" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /D" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /p" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /v" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /d" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /m" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /n" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /R" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /G" rnmay.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /J" dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /f" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /E" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /Y" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /Z" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /y" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /F" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /V" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /N" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /M" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /x" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /Q" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /c" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /O" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /h" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /s" rnmay.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rnmay = "C:\\Users\\Admin\\rnmay.exe /W" rnmay.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4688 dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe 4688 dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe 4832 rnmay.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4688 dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe 4832 rnmay.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4688 wrote to memory of 4832 4688 dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe 84 PID 4688 wrote to memory of 4832 4688 dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe 84 PID 4688 wrote to memory of 4832 4688 dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe"C:\Users\Admin\AppData\Local\Temp\dc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Users\Admin\rnmay.exe"C:\Users\Admin\rnmay.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
PID:4832
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Network
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Remote address:8.8.8.8:53Request176.122.125.40.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestns1.player1352.comIN AResponse
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Remote address:8.8.8.8:53Requestns1.player1352.netIN AResponsens1.player1352.netIN A35.205.61.67
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322 B 7
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260 B 5
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260 B 5
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322 B 7
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322 B 7
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260 B 5
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322 B 7
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322 B 7
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322 B 7
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35.205.61.67:8003ns1.player1352.netdc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe260 B 5
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46 B 40 B 1 1
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73 B 159 B 1 1
DNS Request
176.122.125.40.in-addr.arpa
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8.8.8.8:53ns1.player1352.comdnsdc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe64 B 137 B 1 1
DNS Request
ns1.player1352.com
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8.8.8.8:53ns1.player1352.netdnsdc2cd815e4db618aa84ceae71a725c8d3929cd541f36997803b7884fa93ed12b.exe64 B 80 B 1 1
DNS Request
ns1.player1352.net
DNS Response
35.205.61.67
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
312KB
MD5d4e9a91b95c7febfae3680c5a8fac1a7
SHA107463b660ab42a890f97429d3463f90339631bad
SHA2563b70d68c17d31270cad27d8a19ba01f41a24c3d08ab682a63f48c6510e4ab2a0
SHA51279008217f869aa5f0304bd2036a756cd95599d6be15f1d8d313168d2550ffc47ad49ecea520fb19236d23df8a59124b4765548890d8aa4c3cc7d143a35223176
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Filesize
312KB
MD5d4e9a91b95c7febfae3680c5a8fac1a7
SHA107463b660ab42a890f97429d3463f90339631bad
SHA2563b70d68c17d31270cad27d8a19ba01f41a24c3d08ab682a63f48c6510e4ab2a0
SHA51279008217f869aa5f0304bd2036a756cd95599d6be15f1d8d313168d2550ffc47ad49ecea520fb19236d23df8a59124b4765548890d8aa4c3cc7d143a35223176