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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2023, 06:48
Behavioral task
behavioral1
Sample
76ab659f36198df459929b7eda60cdf9.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
76ab659f36198df459929b7eda60cdf9.pdf
Resource
win10v2004-20231215-en
General
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Target
76ab659f36198df459929b7eda60cdf9.pdf
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Size
34KB
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MD5
76ab659f36198df459929b7eda60cdf9
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SHA1
e78d820959597a328e57fde5b2e6053ae0e9196d
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SHA256
f23ec3896240bee154433433632883ae540270382866c6e49957456444b342a2
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SHA512
2da8e9b1df915859f292a55360b7e8fce284e7a6f3d560ca4e8d2cdf5309d1944f3dc4dddd6db8b05dcdd55a7fa694b182aa88472dd5b6313a484bc398f1dd5b
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SSDEEP
768:ZC4vZi/fuEYlobv2lv3FmluxukoZjf4HacHFuum8S20oUymg/:DBi/f8obv0OD4HLFupjXo1m0
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4328 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe 4328 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4328 wrote to memory of 2352 4328 AcroRd32.exe 91 PID 4328 wrote to memory of 2352 4328 AcroRd32.exe 91 PID 4328 wrote to memory of 2352 4328 AcroRd32.exe 91 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 2352 wrote to memory of 3444 2352 RdrCEF.exe 94 PID 4328 wrote to memory of 3832 4328 AcroRd32.exe 95 PID 4328 wrote to memory of 3832 4328 AcroRd32.exe 95 PID 4328 wrote to memory of 3832 4328 AcroRd32.exe 95 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96 PID 2352 wrote to memory of 4980 2352 RdrCEF.exe 96
Processes
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\76ab659f36198df459929b7eda60cdf9.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=98CDD7AF351DA31EF43F9C7F23C7116F --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3444
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=41206EE770B4F345B2B5DBE9908D0F6A --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=41206EE770B4F345B2B5DBE9908D0F6A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:4980
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=44D6793906A74BF2BA867B09E9A18CCD --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2240
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A78F24E86535102FFA7DD7AE20A9DE11 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=A78F24E86535102FFA7DD7AE20A9DE11 --renderer-client-id=5 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job /prefetch:13⤵PID:4808
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=7A39365BD8F123F1BF92A9F63DAC543A --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:540
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=376B7EC8B9522C1F5E6448BE06D52C93 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2388
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:3832
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD553d340c8116bc7f1e6c35140064793a2
SHA1d11c8df0cea43fad7a9bb91724c694495dcd9e57
SHA25636a116a43120d76dd2a9c7f673a883712143a30ca563f1faaa2c7e60b21e419c
SHA512ac007d7d66e9dbf2b4bef7381349b47834698e79a19d519bce4309488bf2e398768c835c1fce2c4c6c2dffad5537916c50ada73efd1eb631e7216e086b333365
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5