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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15/03/2024, 02:59
Behavioral task
behavioral1
Sample
ca4eed1a31c75427b1dfc9ca7ec11baa.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ca4eed1a31c75427b1dfc9ca7ec11baa.pdf
Resource
win10v2004-20240226-en
General
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Target
ca4eed1a31c75427b1dfc9ca7ec11baa.pdf
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Size
52KB
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MD5
ca4eed1a31c75427b1dfc9ca7ec11baa
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SHA1
12dd6c9cbb4bc2526b13885a7aad976256500e31
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SHA256
d738dcb7c9a208ad17109b0c3706688435d2670897b5f39183b8db2e3768eab9
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SHA512
8eac4ef796cdb1e94194f7694b97c437c0925d4bb6199ba5936eccb9ed0f981dadb1bf2dc80c9ed07702da3523f289476a806c3443913e6423b1f15fa88a82a4
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SSDEEP
192:bONbedw+lJ5xMjmXbQQ2/IxQo2D9xIIo02o4o8oKo72o3ovGeaNf3:bONbedw+lJ5Uxz2Dt1O2I53
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 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 4852 AcroRd32.exe 4852 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4852 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe 4852 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4852 wrote to memory of 2316 4852 AcroRd32.exe 98 PID 4852 wrote to memory of 2316 4852 AcroRd32.exe 98 PID 4852 wrote to memory of 2316 4852 AcroRd32.exe 98 PID 4852 wrote to memory of 1972 4852 AcroRd32.exe 99 PID 4852 wrote to memory of 1972 4852 AcroRd32.exe 99 PID 4852 wrote to memory of 1972 4852 AcroRd32.exe 99 PID 4852 wrote to memory of 3320 4852 AcroRd32.exe 103 PID 4852 wrote to memory of 3320 4852 AcroRd32.exe 103 PID 4852 wrote to memory of 3320 4852 AcroRd32.exe 103 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 3468 3320 RdrCEF.exe 106 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107 PID 3320 wrote to memory of 4632 3320 RdrCEF.exe 107
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\ca4eed1a31c75427b1dfc9ca7ec11baa.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⤵PID:2316
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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:1972
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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:3320 -
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=F230A78A095E5CB3F705DA18C43F52A8 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3468
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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=95F2722B7B7CA42400A4FE2BD38424CC --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=95F2722B7B7CA42400A4FE2BD38424CC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4632
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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=52FAA2C7BAD2933B6530ADECAB7AE98D --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=52FAA2C7BAD2933B6530ADECAB7AE98D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:13⤵PID:232
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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=35687374D3686BA016213BF9FEAC4251 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3896
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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=1B18B551DE59752A1E07542D288DF377 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3536
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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=313551396A6B9B9F33E23674EF1E6229 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4552
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4916
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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=4440 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:81⤵PID:4668
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5a3774014d35ace072e6e7d0311ad5550
SHA1271314e7a3a94f67194bb7a3abdaacf534a6c59f
SHA256dbe01f74c9c4bd552dfabbc22a46e55e1f5896376c124081fa2ea48845a13123
SHA51285dd1029cefb208fa7af0ef31ec80ddeebcf7c776f3c57016f316c9550dffa0d354b71fab02f7f4bdbabe8549cc2aca8b683e67c0ab8fd43080e778d0dbf0fad
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5