Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2024, 00:32
Behavioral task
behavioral1
Sample
71d0577c5d6ac5cc8a0ae9e19a8e6c0edec383f65a8f9c942bddf8bae4c013c8N.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
71d0577c5d6ac5cc8a0ae9e19a8e6c0edec383f65a8f9c942bddf8bae4c013c8N.pdf
Resource
win10v2004-20241007-en
General
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Target
71d0577c5d6ac5cc8a0ae9e19a8e6c0edec383f65a8f9c942bddf8bae4c013c8N.pdf
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Size
317KB
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MD5
90cb20f82e0ad4d52acf09b548dbada0
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SHA1
870e0e05e4bf0368f7719116665d928260799289
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SHA256
71d0577c5d6ac5cc8a0ae9e19a8e6c0edec383f65a8f9c942bddf8bae4c013c8
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SHA512
7f0d13e1a2b4aaf2c42dc47e6d08f29b1d68b26a35e9693ada9cf9f7c83604dee6764ccbeaddeb777a44d4ee5cd02a3a17abe31997127ccfdbe68b9de3ed3d5c
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SSDEEP
6144:k0bLeOOmjWN9uusiPXhp6bGL4Jr5ea7xIUmuYfuO+sqAMZy:koefmhbSXj6JJroVuYfj/D7
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe -
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5024 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe 5024 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5024 wrote to memory of 1200 5024 AcroRd32.exe 86 PID 5024 wrote to memory of 1200 5024 AcroRd32.exe 86 PID 5024 wrote to memory of 1200 5024 AcroRd32.exe 86 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 3200 1200 RdrCEF.exe 87 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88 PID 1200 wrote to memory of 4876 1200 RdrCEF.exe 88
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\71d0577c5d6ac5cc8a0ae9e19a8e6c0edec383f65a8f9c942bddf8bae4c013c8N.pdf"1⤵
- System Location Discovery: System Language Discovery
- 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:5024 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1200 -
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=61ED7C79C848B6255ABB18A9C8258587 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3200
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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=467A044307C967D771CD1A013B90E05F --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=467A044307C967D771CD1A013B90E05F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4876
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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=31D13E65D23F5EFC5EBA2C754A6C4E8F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2940
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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=27A2A63EC19F48B9BF001C5E0FD3FE01 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2080
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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=674BD2D9000DD136A3DC14CA52D0D7AD --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4280
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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=04FD95E2ADCFC49F2A539C1903395CB2 --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=04FD95E2ADCFC49F2A539C1903395CB2 --renderer-client-id=7 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4752
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4516
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5c55e6cee5d5daa3f354b37d7cfa47ecc
SHA1c3af26cec00c9531151eb23fd18c7d044cee3abd
SHA256bbd2158c61c5979073e0b3ce731574d8aa8b8da6f88979ed7834020f160008df
SHA512201ba69c12ddb70365e688fc9d60a35dc1a72afe385099a264ec595a8886a058c475ce24773aceed778b356797ba9f70ebd6717f75695f131cbd891ea0acd67c
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5