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Analysis
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max time kernel
148s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
10/01/2024, 12:28
Behavioral task
behavioral1
Sample
508f3a75db6da7cd8a3261cebbe97d11.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
508f3a75db6da7cd8a3261cebbe97d11.pdf
Resource
win10v2004-20231222-en
General
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Target
508f3a75db6da7cd8a3261cebbe97d11.pdf
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Size
86KB
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MD5
508f3a75db6da7cd8a3261cebbe97d11
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SHA1
c7b6d0a27cc7e1b4c9cae112ced4793e2053664b
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SHA256
68592de3b52580c58550d12e46089607fab111bcec798d6faf43333fd230e631
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SHA512
757303bbd0d288779afe4268f9d58c462b9c6b1e6d0e69dadc95dc88132f9cfe0906aba3801a533772f2b400bcfd558344d9518b3035aa1feca4a9c2f59a8cec
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SSDEEP
1536:M6yrihmmy8blh9YTVM0utaQKcAjBBkpyQLwt4iROSWOofAJ06GJ6sWGpOKqPLHBc:PyGhTy+h9YRbuwFcqDtSSWOcAJ/KqPLi
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1484 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe 1484 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1484 wrote to memory of 3940 1484 AcroRd32.exe 92 PID 1484 wrote to memory of 3940 1484 AcroRd32.exe 92 PID 1484 wrote to memory of 3940 1484 AcroRd32.exe 92 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 3992 3940 RdrCEF.exe 105 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93 PID 3940 wrote to memory of 912 3940 RdrCEF.exe 93
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\508f3a75db6da7cd8a3261cebbe97d11.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:1484 -
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:3940 -
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=FD89774C594C5CCEF5873B558A0B2C99 --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=FD89774C594C5CCEF5873B558A0B2C99 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:912
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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=AB2E0FC7F1A2BCF4A7820FCDBB595CB3 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3992
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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=A34E219D13A94BF132E7C85339994079 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:876
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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=55CF90374DB46E0BB6E067C5C973FAB5 --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=55CF90374DB46E0BB6E067C5C973FAB5 --renderer-client-id=5 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:13⤵PID:5068
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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=A6FC9F3B12FDF0D648F0076B879E5357 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3204
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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=12E5C6C7F591974BF0EDB0E79F989C6F --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1740
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2208
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc1⤵PID:3992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5c7b4533a180172e43990e142b3779721
SHA1c528f14f5b8d23fba5293697e676a73002b9455e
SHA2567efb95a37e90ea3331f57cc9088927e576488c3c9af3058407f2c724938da460
SHA512c67e965a60e745a1c64f264a6f957bd4615126f1c0faebafc77c399569da51426269f65500fc0b330a902ea4de92b99c2abc69ea66c2f27c45977cbb2675e60f
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5