Analysis
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max time kernel
138s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/09/2024, 11:24
Behavioral task
behavioral1
Sample
18257857f0bb3f9b697dfa21c124480e767c98779bff25dbece47946e3fb73b7.pdf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
18257857f0bb3f9b697dfa21c124480e767c98779bff25dbece47946e3fb73b7.pdf
Resource
win10v2004-20240802-en
General
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Target
18257857f0bb3f9b697dfa21c124480e767c98779bff25dbece47946e3fb73b7.pdf
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Size
95KB
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MD5
310e99fd8a2058aa2f087abe40c62b84
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SHA1
6876727368554151d065d3efe580b7ee5a1e420a
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SHA256
18257857f0bb3f9b697dfa21c124480e767c98779bff25dbece47946e3fb73b7
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SHA512
177de538fc4d12343abeb0571a86ca8435bc8fc398917295abab25f233959376bcac4a7fa70009718417a5f61d8d7fa833d14a2993f0e8f20a2eb1ff3a2b0581
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SSDEEP
1536:MqxZh66d8A6WE532uXv0CsG/UfjrsTkWLvUF0AOMG8yvedTTWVNLPlIhWcy2Bjyn:Xbtujv9/bkWLg7yGd/uLPlInnA4RM
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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1432 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe 1432 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1432 wrote to memory of 2836 1432 AcroRd32.exe 91 PID 1432 wrote to memory of 2836 1432 AcroRd32.exe 91 PID 1432 wrote to memory of 2836 1432 AcroRd32.exe 91 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 3188 2836 RdrCEF.exe 92 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93 PID 2836 wrote to memory of 1560 2836 RdrCEF.exe 93
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\18257857f0bb3f9b697dfa21c124480e767c98779bff25dbece47946e3fb73b7.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:1432 -
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:2836 -
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=A048E95FFC71902ADA0EB7BA7ABC24AA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3188
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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=59D9A89864DB9AFD5F6ECB1DB94A8D28 --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=59D9A89864DB9AFD5F6ECB1DB94A8D28 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1560
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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=07A7BA83A3FFFC2571C5B06F245305F7 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5084
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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=5D1C62D99FA1ED6B0736E8FBE5B05D01 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3716
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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=15276C1EB54EF965D02DE9359F227AB7 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3216
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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=0A732A54F65C171AA4EFD155681CD3DB --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=0A732A54F65C171AA4EFD155681CD3DB --renderer-client-id=7 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5040
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2988
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD58fc9c5df5df741d40d233973f0647325
SHA191961d5a16f7c08d6ea0f19e821ab5a8dc293c96
SHA2567fd9c4d8c20d934aed38c2e08f677895f605d18cdd19e982c26128c244c1f620
SHA512f1120a4c1297076177f971e13e4ce3dc3bd067e7f9e789c683b1e0a9c51fa4c5b28a667ff00251f12bd414b33e1a8cff85140deb943ef6c2abb9d72af8b2012b
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5