Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11/03/2024, 17:47
Behavioral task
behavioral1
Sample
c1376b9707b6b14b44f0c2bf044b8694.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c1376b9707b6b14b44f0c2bf044b8694.pdf
Resource
win10v2004-20240226-en
General
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Target
c1376b9707b6b14b44f0c2bf044b8694.pdf
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Size
94KB
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MD5
c1376b9707b6b14b44f0c2bf044b8694
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SHA1
e42a4ebcb3019ddc13ded6482e62c8765d809168
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SHA256
b9eb386968e8587cd504dea89beb228dc8c7a0462e30c59e20ed7f8c9cee3894
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SHA512
2af54b4889f6c698a0a8969e91eaf524e8ee4e5615f89752d3de7fa207b1bfea4a8e2408a6899452aa1b7ac3c94744ac8a54d1ed162119a80ba74dea0046279b
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SSDEEP
1536:VPsHOaxn2Qew7zIpLFpycdyjrC6jWLiJPIxfbAmhktc+QyqNxGYUW6pOu26WsTN+:VAB2QT0xbvaJPIBbAnc0qqYNu2+wu8
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3100 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe 3100 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3100 wrote to memory of 1556 3100 AcroRd32.exe 105 PID 3100 wrote to memory of 1556 3100 AcroRd32.exe 105 PID 3100 wrote to memory of 1556 3100 AcroRd32.exe 105 PID 3100 wrote to memory of 4728 3100 AcroRd32.exe 107 PID 3100 wrote to memory of 4728 3100 AcroRd32.exe 107 PID 3100 wrote to memory of 4728 3100 AcroRd32.exe 107 PID 3100 wrote to memory of 4516 3100 AcroRd32.exe 108 PID 3100 wrote to memory of 4516 3100 AcroRd32.exe 108 PID 3100 wrote to memory of 4516 3100 AcroRd32.exe 108 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 3652 4516 RdrCEF.exe 111 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112 PID 4516 wrote to memory of 4612 4516 RdrCEF.exe 112
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\c1376b9707b6b14b44f0c2bf044b8694.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:3100 -
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:1556
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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:4728
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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⤵
- Suspicious use of WriteProcessMemory
PID:4516 -
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=ABD57E78FE6A2EA5E14DEDBD88FBA77B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3652
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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=B7391EF1285357CA7EC146DB611083E2 --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=B7391EF1285357CA7EC146DB611083E2 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4612
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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=3E45474FCF0EFF5114E26B5C310B79E5 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5224
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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=0BC529475BCFE3A9918B23AFF40D621A --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=0BC529475BCFE3A9918B23AFF40D621A --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:5312
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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=A2E226A3E9F27F5F72991B01FEAD6EFC --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5340
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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=ADD073107151925BE15EC62B04B0CACD --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5500
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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:5192
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5160
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:5332
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD529c4cad234c898af4f78bd4d6ffb5699
SHA1534870ddaa5d0aaa57416e1053f3b99dbe0cef77
SHA25630f6dcb2c0b342f8d1c551f31638e49109803a25663a69f0dfa19b7cdeac21fb
SHA512f39ca76f6be9dbdf5945e9e3fdf3c4061f5d6d305b441ab90bad9f14682d20f6628b76b9171e2405f36ac8ff5469734a27e196face2b265ae93368bad2514b39
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5