Analysis
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max time kernel
156s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/03/2024, 18:44
Behavioral task
behavioral1
Sample
bc87ec538f20b83fb43ab3911024b342.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
bc87ec538f20b83fb43ab3911024b342.pdf
Resource
win10v2004-20240226-en
General
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Target
bc87ec538f20b83fb43ab3911024b342.pdf
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Size
113KB
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MD5
bc87ec538f20b83fb43ab3911024b342
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SHA1
319fbc2ba722af06c60b828f4638b4f89d6e390d
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SHA256
b736098d34da9d2e11bc7bfa42e08290782a28d33480f25ff7ae6dec6aef9f87
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SHA512
7f028c4da23e1816fbd029f4b158f70c3b01cd8907674334d4c6539605b589429527c22dd6eb64d785a464c240f1d18980f9cddc0b0230907be0e129244f5477
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SSDEEP
3072:2Sn42pNZBuoCOizLa7t59QGtughwrXN/5/Tz:fBB8Tzu7tjZ0x/f
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 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1612 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe 1612 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1612 wrote to memory of 5004 1612 AcroRd32.exe 109 PID 1612 wrote to memory of 5004 1612 AcroRd32.exe 109 PID 1612 wrote to memory of 5004 1612 AcroRd32.exe 109 PID 1612 wrote to memory of 408 1612 AcroRd32.exe 111 PID 1612 wrote to memory of 408 1612 AcroRd32.exe 111 PID 1612 wrote to memory of 408 1612 AcroRd32.exe 111 PID 1612 wrote to memory of 1304 1612 AcroRd32.exe 112 PID 1612 wrote to memory of 1304 1612 AcroRd32.exe 112 PID 1612 wrote to memory of 1304 1612 AcroRd32.exe 112 PID 1612 wrote to memory of 3928 1612 AcroRd32.exe 114 PID 1612 wrote to memory of 3928 1612 AcroRd32.exe 114 PID 1612 wrote to memory of 3928 1612 AcroRd32.exe 114 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 1212 3928 RdrCEF.exe 115 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116 PID 3928 wrote to memory of 332 3928 RdrCEF.exe 116
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\bc87ec538f20b83fb43ab3911024b342.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:1612 -
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:5004
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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:408
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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:1304
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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:3928 -
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=E649C757B3DC4A24D0D2DBEAA2ECEDEC --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1212
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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=47D8C33E1F6AF3B7B6DB90FB7CC2B462 --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=47D8C33E1F6AF3B7B6DB90FB7CC2B462 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:332
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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=DD16D8C3A75C47CCEEAE75BEA7BF2C78 --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=DD16D8C3A75C47CCEEAE75BEA7BF2C78 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:13⤵PID:1668
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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=F0F0D23F055C3DA07AF2C849D9F808D1 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5148
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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=8BD1FC8F12C3CC7E226C40A404FD0908 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5260
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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=FEB62AF91E180FF2EFC63835288EE35E --mojo-platform-channel-handle=2816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5340
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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=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵PID:3992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5fbd4c3d3a8eb67d9ba3626a8fa4fc912
SHA175171ef714b36a3ce5f3c3c3ebf7e40d1bdb535a
SHA256f3ae1fdc15db66a17d974d1592d7dffb1f542c335f4602630289320328b6b8ef
SHA512630bdbf33eb31dd09e1a62d63bc554463206e3b88c0a4808d5a2d68253e33c87760b0a0f38534d9ca532d18cbfc86a7936a93ce0c3347c3184ff5fab3d112574
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5