Analysis
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max time kernel
146s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2023, 16:11
Behavioral task
behavioral1
Sample
ea8a8a6d5528a3ef75008951ecd0a288.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
ea8a8a6d5528a3ef75008951ecd0a288.pdf
Resource
win10v2004-20231215-en
General
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Target
ea8a8a6d5528a3ef75008951ecd0a288.pdf
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Size
90KB
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MD5
ea8a8a6d5528a3ef75008951ecd0a288
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SHA1
43e48a4e672eb1bc510fee4747ba182b5d97b500
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SHA256
acbb413fa14fedb387f786f15fed539eb1fc3abf4a6bc7fb1f4dd6127bb9f5b5
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SHA512
efbeab5c257581e6e8bfbe05aeb672a747edc00136481b22cbcbc6b63fa83c276a58e85bc68b038c70461b6ed58f4cdbde83154acce8c1697d1c855481fa9cb7
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SSDEEP
1536:xqHhuTuXe/1EOARwHbiMi4GMxY8cSWApO6B0PpyW+RRTHhlHmA7FwpAw:gbXYE3+iMi4X2p6B0xMRzhlHmgFwh
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeManageVolumePrivilege 3064 svchost.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3508 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe 3508 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3508 wrote to memory of 4508 3508 AcroRd32.exe 96 PID 3508 wrote to memory of 4508 3508 AcroRd32.exe 96 PID 3508 wrote to memory of 4508 3508 AcroRd32.exe 96 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 2156 4508 RdrCEF.exe 97 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98 PID 4508 wrote to memory of 3668 4508 RdrCEF.exe 98
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\ea8a8a6d5528a3ef75008951ecd0a288.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:3508 -
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:4508 -
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=1E6FA0500A1CD16A3A5EF567DA2A91DF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2156
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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=691F9F25FDF395AD8CEEF82F7A535E8E --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=691F9F25FDF395AD8CEEF82F7A535E8E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:3668
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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=2BC7A785880DC711B90D1F106C2BDC84 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4776
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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=5A94D1B18C29244417311528F136AB00 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3140
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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=20FF8DDCC29C681AAC1DCE3115DBFF69 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4048
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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=59C2A1C44DBED420E6D797055E922B47 --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=59C2A1C44DBED420E6D797055E922B47 --renderer-client-id=7 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:13⤵PID:384
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4532
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:3044
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3064
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5997049e16d7def7af4a2287999c2f61b
SHA194de5037635376fdb938d93098ef4894c55fe26d
SHA256c871868b0adbf2b15a6af6b284a0c7f8c80428335af026b4a5ee7487faa32bc5
SHA5127ddbdb8571b7251bbfd0158342735c0632b64167b8d2968d97fd29d5b9c2da067569e5871e11c5345c991f59af83a031ee916eef3902b5b26e2c61dbb5a1a2fa
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5