Analysis
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max time kernel
145s -
max time network
146s -
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 18:35
Behavioral task
behavioral1
Sample
8a3edbdb9ead08ce9f40aeb30ab86fe9.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
8a3edbdb9ead08ce9f40aeb30ab86fe9.pdf
Resource
win10v2004-20231215-en
General
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Target
8a3edbdb9ead08ce9f40aeb30ab86fe9.pdf
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Size
1KB
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MD5
8a3edbdb9ead08ce9f40aeb30ab86fe9
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SHA1
7b037ce979de33f4450c5e0e7405d6e57e3bff3d
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SHA256
eb1e223bbe9f13a7be8904331a6dcb3c44373013ab665861ad92209f596c0fe2
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SHA512
e96b76900a83fc7b88b5c37f9f357deee6be61e930081816eba7f91c3d68d4e6c7a65f4e7088074d87aa51ffaf8feede63668523102ac74d6578e4c8443ef944
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4268 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exepid process 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe 4268 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4268 wrote to memory of 2900 4268 AcroRd32.exe RdrCEF.exe PID 4268 wrote to memory of 2900 4268 AcroRd32.exe RdrCEF.exe PID 4268 wrote to memory of 2900 4268 AcroRd32.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 2264 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 RdrCEF.exe RdrCEF.exe PID 2900 wrote to memory of 3636 2900 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\8a3edbdb9ead08ce9f40aeb30ab86fe9.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:4268 -
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:2900 -
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=D9EDB3078AE0484B80082D597370BC72 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2264
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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=75222A7D3D52906CBED22E20F408F707 --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=75222A7D3D52906CBED22E20F408F707 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:3636
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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=0984427631968BF3052721935CA12376 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3236
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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=CE38EE9F8CDD72EC09E05478A259D90F --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4108
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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=1C91155F37C684C850EE68995E83AC46 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2768
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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=2F8EE5750097E4239343628A16FCDDF6 --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=2F8EE5750097E4239343628A16FCDDF6 --renderer-client-id=7 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:13⤵PID:1000
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3080
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD50e1beb04fd2d9b375fbc3370b77c1098
SHA13d795b24b60e8d87a9c49082d9a560c00df29976
SHA256ff0ffab3d47b2c5d6420419a7305ac67a0a138bc2c8ecce9bb3f8802aa0eb787
SHA51292bfaec3d1bcf608d17b7964295ac4143f60fcde5313b4ed4c60106e950c3b5d7f72d0b4d01c4f750885c71a5c9efdef71d6192825e78a2b87a8eda8747b859f
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5