Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2024, 12:59
Behavioral task
behavioral1
Sample
bb52d3d13dfbfd1be9ac1484a9ef51e9.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bb52d3d13dfbfd1be9ac1484a9ef51e9.pdf
Resource
win10v2004-20240226-en
General
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Target
bb52d3d13dfbfd1be9ac1484a9ef51e9.pdf
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Size
83KB
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MD5
bb52d3d13dfbfd1be9ac1484a9ef51e9
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SHA1
5ee496a4a01cef86fbbcee70a95e60ea8c43ff7d
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SHA256
48016b8a1e2bb16e956c4e38674bf96954eba63d7ee98bf1f06f268be838393a
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SHA512
139f7dcceb9226243c81962066fb10d74353571a65c2165a347aa8a95f765c023f3f5722db29ea7f93123427a4d2916bb580dbb0ae3e1f29e0bb9c7ab2562889
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SSDEEP
1536:9V9gjV6Yy+DcXeFuAUVnwc0ac0Lm5Nzdg1oUBBKUuKDuPgWOLgIWzOWUpO7QM0:z+h6VeFF8nrLsOKUBhcmLgdz57K
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 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4896 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe 4896 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4896 wrote to memory of 3916 4896 AcroRd32.exe 103 PID 4896 wrote to memory of 3916 4896 AcroRd32.exe 103 PID 4896 wrote to memory of 3916 4896 AcroRd32.exe 103 PID 4896 wrote to memory of 2908 4896 AcroRd32.exe 106 PID 4896 wrote to memory of 2908 4896 AcroRd32.exe 106 PID 4896 wrote to memory of 2908 4896 AcroRd32.exe 106 PID 4896 wrote to memory of 1884 4896 AcroRd32.exe 107 PID 4896 wrote to memory of 1884 4896 AcroRd32.exe 107 PID 4896 wrote to memory of 1884 4896 AcroRd32.exe 107 PID 4896 wrote to memory of 1456 4896 AcroRd32.exe 109 PID 4896 wrote to memory of 1456 4896 AcroRd32.exe 109 PID 4896 wrote to memory of 1456 4896 AcroRd32.exe 109 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 2088 1456 RdrCEF.exe 110 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111 PID 1456 wrote to memory of 4544 1456 RdrCEF.exe 111
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\bb52d3d13dfbfd1be9ac1484a9ef51e9.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:4896 -
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:3916
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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:2908
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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:1884
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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:1456 -
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=C241E96F5CDE7B024024115BE2EAE580 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2088
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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=4FBCAE029ECD9EAAD71011DD982B8398 --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=4FBCAE029ECD9EAAD71011DD982B8398 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:4544
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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=1CB9E6CB4D8BBE95BCFA746A5F76C837 --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=1CB9E6CB4D8BBE95BCFA746A5F76C837 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:13⤵PID:4516
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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=9759C4079FB74AAC7E2DC012F2B04DD3 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:400
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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=7DB614FAF6462306B9A2664D9B4305C3 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4636
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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=0D75FCA3F02EF155DB28E3ADE6BA7462 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3836
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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=1420 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵PID:4788
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD52a6451b492184ffb12f432999d090f80
SHA1e1ef82c759a11390525835828009bde26161c812
SHA2561c7e0c7b84ff73ec1b2c9013c3639286c5fb39104e26cb8869189ee5be50dab3
SHA512a2d482dc501d781186e4731c0ea15b5dd5fa5a65688cdc39bf4e86327a58fcd12aa600056c3397bead0e92160b59ea8073b21819a904e869d7873fa745a29f5c
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Filesize
64KB
MD5c1bdbe70efeee050cab4742a762d3b6b
SHA19fca235088115863ceb58bda3482f7c3b342c589
SHA25650af311cc603fa13943a5b0be5400018c3f0aa819bada972a8dc813b80b0e366
SHA5129e30430e4ccaddefbd428dd7ac45dc9f174c650c409ed9b32c0839daa951320b724c58f50763c9fae3b20bb098ac3e5427938fef022a7f88e0b13a2ea383fc6c
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5