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Analysis
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max time kernel
78s -
max time network
80s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/09/2024, 07:37
Behavioral task
behavioral1
Sample
55ba800f814f4261fe210ba5a2321bdd0625e37cbd46c1313efce382dacabe30N.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
55ba800f814f4261fe210ba5a2321bdd0625e37cbd46c1313efce382dacabe30N.pdf
Resource
win10v2004-20240802-en
General
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Target
55ba800f814f4261fe210ba5a2321bdd0625e37cbd46c1313efce382dacabe30N.pdf
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Size
388KB
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MD5
1533462452657f5ed4e72b13a71130a0
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SHA1
8388d1779554c4f1c70621ece28c401498bd11e0
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SHA256
55ba800f814f4261fe210ba5a2321bdd0625e37cbd46c1313efce382dacabe30
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SHA512
6744e103cb64f9bd1cf91ce0768c9c845ddd128eaf6953246acaaaf2f89ef196f2eed10ce46df8034118766e690b73ae0a1dff2082c1517b11de658423324f61
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SSDEEP
12288:4x3q+Hx6jIs1r+JP9LJTkZoGGFjM6luZukC9:JWTk6EZDu
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 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 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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4796 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe 4796 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4796 wrote to memory of 8 4796 AcroRd32.exe 85 PID 4796 wrote to memory of 8 4796 AcroRd32.exe 85 PID 4796 wrote to memory of 8 4796 AcroRd32.exe 85 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 444 8 RdrCEF.exe 86 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87 PID 8 wrote to memory of 4116 8 RdrCEF.exe 87
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\55ba800f814f4261fe210ba5a2321bdd0625e37cbd46c1313efce382dacabe30N.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:4796 -
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:8 -
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=FC50C081D36C9754D740542DC72A7DE1 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:444
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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=21DDA6C293FF981FECBE92E5DD084188 --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=21DDA6C293FF981FECBE92E5DD084188 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4116
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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=00865172A67908B0EA22BCB62A134D15 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1664
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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=25108F20A41C6111362BA0F49BA057BE --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:532
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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=0C5A86B6A9FFD8E616AC67C1338C5672 --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=0C5A86B6A9FFD8E616AC67C1338C5672 --renderer-client-id=6 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4044
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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=9D7750424779F1D526160542B1E969D5 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1340
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD568008af9c76c56118bd601c69f8f8781
SHA1dc53b9dd43625df741656fba65c3a4d06ec3194e
SHA256f942de161158d4beba6091c482d9e8f71f7e52f7a5e2a0749802d6b531485137
SHA512e5c084d68b339a0d7ef8f5ea56b770490b499c34b7be85e92bd6840b48c8c4e5b0664cf00328502759a6b54238f666623c700dd67c589c3d80ec295afe360333
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5