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Analysis
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max time kernel
152s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
24/02/2024, 20:51
Behavioral task
behavioral1
Sample
a2ba61848e2135d71722171f6d5ae9e6.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a2ba61848e2135d71722171f6d5ae9e6.pdf
Resource
win10v2004-20240221-en
General
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Target
a2ba61848e2135d71722171f6d5ae9e6.pdf
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Size
72KB
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MD5
a2ba61848e2135d71722171f6d5ae9e6
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SHA1
61e90cdf2b02227e4e10876d9a1152ad42edacd8
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SHA256
e48b3651a03b7296e951cdd670b0de783a589112be4514746c3f476faf1808d6
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SHA512
c5e3d3cd5db01df213e1154c53ec10edf73854e3fbb151fa672486b1c234032b1886e65cac95a3fffde5262c2fccce136bee7ee0ade78bf1952cff9392182b4f
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SSDEEP
1536:bXb6/K/BoG7wSiVhgfKS083LR0hgf19MatRWcpOyRxeWxnG5O0wjZ:bb6/KpB7LEufHL91uat4yvLn0Y
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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2960 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe 2960 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2960 wrote to memory of 2600 2960 AcroRd32.exe 89 PID 2960 wrote to memory of 2600 2960 AcroRd32.exe 89 PID 2960 wrote to memory of 2600 2960 AcroRd32.exe 89 PID 2960 wrote to memory of 5108 2960 AcroRd32.exe 90 PID 2960 wrote to memory of 5108 2960 AcroRd32.exe 90 PID 2960 wrote to memory of 5108 2960 AcroRd32.exe 90 PID 2960 wrote to memory of 2056 2960 AcroRd32.exe 91 PID 2960 wrote to memory of 2056 2960 AcroRd32.exe 91 PID 2960 wrote to memory of 2056 2960 AcroRd32.exe 91 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 4564 2056 RdrCEF.exe 92 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 RdrCEF.exe 93 PID 2056 wrote to memory of 884 2056 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\a2ba61848e2135d71722171f6d5ae9e6.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:2960 -
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:2600
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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:5108
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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:2056 -
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=88282C2FEB899E07AAB7A0C35760B01A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4564
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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=BA2F0D3A57DB43247A4C722F1B704B41 --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=BA2F0D3A57DB43247A4C722F1B704B41 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:13⤵PID:884
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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=864688E74F5EED1A74F28CF6AEEB69FE --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=864688E74F5EED1A74F28CF6AEEB69FE --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:13⤵PID:2816
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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=D45020206C15FA295930F0EA17284955 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4484
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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=177EA26684D969D76FA6ECBCCB687779 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4800
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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=11B89D6CC0CEC13130B98CEE6650ADFD --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4584
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5044
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD528c72163d43803c6b0cc2119b3b739d3
SHA10fa168401fbba96c17606e26be642e8c5d371db9
SHA25683ac59171ac6fa5d93c729d1881b5816396379b3e72b9e5ddc1d3f1186b01069
SHA5128e647e62a8ac2ea7dc8814b479a231335707d92dba98b930e587402cbf0f98c35f48a9da5b335c552adaa7e66a542f844a416da2fc3a21ffe3d03fbe1af9090a
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
64KB
MD544f4cca7af79967765e90dbdaa7a2d84
SHA1d5b10e0c31ea482da5397973f65e0c97999e5641
SHA2567d89194616353b1e7866dddcbbf79fde953deccc7b84e102c1577e16d77ca30b
SHA512c9a265dace3c54a25b1ca1a44f96bcc456f932d7a3699d959b3e17802b1afe21087d53de8e2fae4edded2151c34f28a9619682e9610523149267d52b207a10c6