Analysis
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max time kernel
149s -
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
12-02-2024 16:40
Behavioral task
behavioral1
Sample
cert_HOU_University of Utah_3864852_8.pdf
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
email-html-1.html
Resource
win10v2004-20231215-en
General
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Target
cert_HOU_University of Utah_3864852_8.pdf
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Size
48KB
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MD5
d54de608cbbf1179d627fdba852d83b3
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SHA1
0ce33e4af9597871cbc80989b8ceb1961ef88c20
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SHA256
d7a5be788686b451acc73f445396d4106bb4be35446f4dd2a905a3d6343a9ca3
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SHA512
e21307e8d896d36a77a7d423fc102e93031f3b5e69f67fcb1937c8483a03dbc51f5079158fa8800959092655a3bae73becb31fd74c413b42f6b3903332484a27
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SSDEEP
768:h3n9MqIEf1eOif7lOrxkQMpeoDJpK70bCEzpXfKSie8z2pcu8NOXmWj72w706+2+:5IIeOalOiDxnq9Brczl0
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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4748 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
AcroRd32.exepid process 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe 4748 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4748 wrote to memory of 2104 4748 AcroRd32.exe RdrCEF.exe PID 4748 wrote to memory of 2104 4748 AcroRd32.exe RdrCEF.exe PID 4748 wrote to memory of 2104 4748 AcroRd32.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 2252 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 RdrCEF.exe RdrCEF.exe PID 2104 wrote to memory of 4620 2104 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\cert_HOU_University of Utah_3864852_8.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:4748 -
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:2104 -
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=1C79887919D5A785861D1588F9E12F3A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2252
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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=123779DA94219E11210BB3C15EAD596A --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=123779DA94219E11210BB3C15EAD596A --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:13⤵PID:4620
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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=D40CA3FE9A5057F05EB8C6B8DC44A23E --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=D40CA3FE9A5057F05EB8C6B8DC44A23E --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:13⤵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=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=0BECF8AE58253EA8B7C59CE15F7EB719 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1544
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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=6B30D44E726B0484FF0C571158696CFD --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2352
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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=B09BC19E3103C53E81609556C5958C4A --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:660
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5650772da332d2c61f5e4a827c32cb3c0
SHA181011c6457a3a1af9f348572cf97aeae1624a453
SHA2567e1dd28034af8c5539227b843441f616a2ab5ea37e3c544e18fba9b082a70478
SHA512c2a33568681d90800cab487640bdf8e30d2106643419483c61122390452e4d57c0230b132631d58d095fcc664a8b4911176ee2ce47dc3fa1f684c7eea89262d0
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5