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Analysis
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max time kernel
181s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2023, 20:49
Behavioral task
behavioral1
Sample
039bf4d418dc11f4b5c77cb84db4be8d.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
039bf4d418dc11f4b5c77cb84db4be8d.pdf
Resource
win10v2004-20231215-en
General
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Target
039bf4d418dc11f4b5c77cb84db4be8d.pdf
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Size
85KB
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MD5
039bf4d418dc11f4b5c77cb84db4be8d
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SHA1
dc6a1810fed4a89d9884d826a79e34a641701f38
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SHA256
6b507472a80d481ca410750bc2e4831ace6a5b8ad58b86e1f58181f655571c93
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SHA512
0653f1ab87f0bed99307fc6a2ce26b5513d1c09799c8b1520143facb2c7bbeb0b8e72c6db00ae1d607f2a55565126cd52eb6f1aa1e8535685a63520dcdd534b2
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SSDEEP
1536:W0jfcvsSuO1WKvoqLyNtEj7tfd+1BTy49joJNHY2Vq/J+1nWOpOwrKWjpJOZ4VS3:BDcvDufJNtEj7Rd+1BmzcJqkwrfm
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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1992 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe 1992 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1992 wrote to memory of 4084 1992 AcroRd32.exe 91 PID 1992 wrote to memory of 4084 1992 AcroRd32.exe 91 PID 1992 wrote to memory of 4084 1992 AcroRd32.exe 91 PID 1992 wrote to memory of 3604 1992 AcroRd32.exe 98 PID 1992 wrote to memory of 3604 1992 AcroRd32.exe 98 PID 1992 wrote to memory of 3604 1992 AcroRd32.exe 98 PID 1992 wrote to memory of 3416 1992 AcroRd32.exe 103 PID 1992 wrote to memory of 3416 1992 AcroRd32.exe 103 PID 1992 wrote to memory of 3416 1992 AcroRd32.exe 103 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 2536 3416 RdrCEF.exe 104 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105 PID 3416 wrote to memory of 1224 3416 RdrCEF.exe 105
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\039bf4d418dc11f4b5c77cb84db4be8d.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:1992 -
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:4084
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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:3604
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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:3416 -
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=7B954BE853A843370FA499E714B18476 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2536
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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=AA5A102CD3CE5CFF3357510AB88A250A --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=AA5A102CD3CE5CFF3357510AB88A250A --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:1224
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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=979E2AC616C6889916D1EABD3EBA4B90 --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=979E2AC616C6889916D1EABD3EBA4B90 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:4080
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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=05733EED121D8306C218EAF86014197F --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5112
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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=6124389F607F06FB6BD21B3E7DE96B08 --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:960
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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=2D8217BC0AB27D26A687DC1799BDB5DF --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1152
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
64KB
MD54801a43211c9226f4e271ba516838a05
SHA1f28b7a2be0936dcb95f2bec13c16073da5458668
SHA25682d5e38bdd578e7bd51488715bc390a7adb6274d8be4936814b3b56e4d8a1042
SHA5125c95edac0fdd21abb1d58870b30f1fb02194128743033d315b28f11364a58a62ee928c9842a4623806f607d5404d17d70634baba9e49e88a624d95415d24ff78
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5