Analysis
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max time kernel
143s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2024 12:21
Behavioral task
behavioral1
Sample
CDWinder Registration Form.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
CDWinder Registration Form.pdf
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
CDWinder.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
CDWinder.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
readme.pdf
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
readme.pdf
Resource
win10v2004-20231215-en
General
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Target
readme.pdf
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Size
1.3MB
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MD5
7f9ad9afa83aa5e63ddae4706c68ec28
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SHA1
05a809e742a08b77587f951a9290672e7ea717a1
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SHA256
366c8415c683100a13ba40997e993140dac0d32d1f5389d95ec1cf0ef1bafe5d
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SHA512
571b05b6366a86bb30e5d61e443ffcfe11d5190dba837da1ac739710df4609cfcdd60498fbfbd41ce8f3f9c5bb1beec5333c7899a796f6206ef90056ab4dffb2
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SSDEEP
24576:WSHw2CPNbC9NmcBaOoH7nAdVO2T+ox2QQ3K16tVMEwZ0x+QWcu2m:WSQ2+C9NmpRwVOs+ox2t3KpEwZ0GB2m
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3908 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe 3908 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3908 wrote to memory of 972 3908 AcroRd32.exe RdrCEF.exe PID 3908 wrote to memory of 972 3908 AcroRd32.exe RdrCEF.exe PID 3908 wrote to memory of 972 3908 AcroRd32.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 2624 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe PID 972 wrote to memory of 1364 972 RdrCEF.exe RdrCEF.exe
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\readme.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:3908 -
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:972 -
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=715A6DA2D2154A489F8057C658ABB349 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2624
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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=76918BFFC9FDD0316E0D5DD3EE43BDC1 --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=76918BFFC9FDD0316E0D5DD3EE43BDC1 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:1364
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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=7869B319FA42EB3CBC42389488625AFE --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3104
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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=C2F6C3F4498EDD9029FF689028F33DA4 --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=C2F6C3F4498EDD9029FF689028F33DA4 --renderer-client-id=5 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:13⤵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" --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=88336A23E76979EF460FE387FBE48FBE --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4432
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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=BA73015B458B1CFBECDA2CD7BE3AD7B3 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3084
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD57fa2ca58f1145bd36ba4d9aaa70e63fb
SHA1598680ed073471d6bce50b2f36b93ce0c1ca80bc
SHA256ef780b3bd424d6e0798021b7f3d7901168bdf0017f81ff54285454f8c54ce56f
SHA5129efcfbffffc6dbf864e963e877fd4ccd7253dc76e22580f55f1d3d8ea10a3cfff3e533c5da91579efdad987efe0f5d5fac77e6b6d49f1fc654179b940391cfda
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5