Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2024 04:14
Behavioral task
behavioral1
Sample
716c13bef4379761df28d727048094ca.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
716c13bef4379761df28d727048094ca.pdf
Resource
win10v2004-20231215-en
General
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Target
716c13bef4379761df28d727048094ca.pdf
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Size
3KB
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MD5
716c13bef4379761df28d727048094ca
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SHA1
cc8e2377d11a2edb3d974c130d05d12e743998cb
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SHA256
ca1ba5eb8714c45f5b01c38d433f62debe30e35502be20005b48f205d135f069
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SHA512
b6a37e394134161bcf1ba63f8a120848d12242703c9698ea7a1285e540d57f4935a4b4d41630aa2f91b14986370cd2cc37e399f3f046aad3874ab53b4b56ec08
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4852 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4852 wrote to memory of 3820 4852 AcroRd32.exe RdrCEF.exe PID 4852 wrote to memory of 3820 4852 AcroRd32.exe RdrCEF.exe PID 4852 wrote to memory of 3820 4852 AcroRd32.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 3660 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe PID 3820 wrote to memory of 2520 3820 RdrCEF.exe RdrCEF.exe
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\716c13bef4379761df28d727048094ca.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:4852 -
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:3820 -
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=0239C5D4AC782EBC1441CC11E6C47C06 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3660
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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=29C9C83A342D04879B703719F658C0DD --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=29C9C83A342D04879B703719F658C0DD --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:2520
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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=BDC0FEFFE046E771D7D9087BCC3741A0 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3816
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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=31295856CD57AD0FFE937F876F1BAC39 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:448
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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=AF7CF7A018CF1D3F57786E8940C2835A --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=AF7CF7A018CF1D3F57786E8940C2835A --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:13⤵PID:532
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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=F3A95B3CC35365E9F9E143DFC68566C7 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3376
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD51272009eab8bc7e8704a16e2ea6c1f3e
SHA13863d00c6338760c4ce510e39b22a0c7216ff164
SHA256b38174766443151f8933232b45954239d052a626d4212ae3cdde46de553ec997
SHA512f276fe689f2435d9e9022da7a823b7ca3e31c6ef71454d7cbdf377937f729f9140d5a053f2be3f506f578a8ec7c3bacbaa68849743846aa4d5658f6ae2d5f0b9
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5