Analysis
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max time kernel
149s -
max time network
273s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-10-2024 17:01
Behavioral task
behavioral1
Sample
Lynn Blake-In Service Agreement-7651.pdf
Resource
win11-20241007-en
General
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Target
Lynn Blake-In Service Agreement-7651.pdf
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Size
62KB
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MD5
36c88d344473219a3ca59fc852624518
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SHA1
772848ecf664a2b7f60ebf8a9ea88261ff54de76
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SHA256
d5995675a207eea0d8f270c71c1477f612e6849bebc7910f2bff7cd22af6dd5d
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SHA512
e8f181e77b5b14a7fb49f43fdd8751bee2d583d306c84b32f0641a56adf7fb6e0fa2f3b547d72aabbfee23d92616448d00b6de6abc510375603d402cc2fff499
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SSDEEP
1536:ln1SSy9FIJTEDaq9mXrH6qHEGz+cb6hUAN3:i59F0TEvmXJzEF
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-1-5-21-3587106988-279496464-3440778474-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4760 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe 4760 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4760 wrote to memory of 2412 4760 AcroRd32.exe 81 PID 4760 wrote to memory of 2412 4760 AcroRd32.exe 81 PID 4760 wrote to memory of 2412 4760 AcroRd32.exe 81 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 1480 2412 RdrCEF.exe 82 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83 PID 2412 wrote to memory of 248 2412 RdrCEF.exe 83
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\Lynn Blake-In Service Agreement-7651.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:4760 -
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:2412 -
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=8E3C699CDCCFB633B55304877F905DB5 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1480
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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=1F4D344A122A5B2F1E52981BB77FD74D --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=1F4D344A122A5B2F1E52981BB77FD74D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:248
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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=F97C2D289F2075A566710E5A4F67E779 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2284
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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=5F264F378B400FD9217D5C31375E8D1F --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1380
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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=E6352C75EE99AAE2739288BB2D9ADE92 --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=E6352C75EE99AAE2739288BB2D9ADE92 --renderer-client-id=6 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1808
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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=0CE190425DF6BA7D6EE3A127BE9BE474 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3424
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3140
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5b9364cc33689d97cff78959eca75819f
SHA1dd47a37a85bf624fa1d7511dd7f6c3eae174fb33
SHA256078e4b2adf6fecfbb53ce25f64f24e64643721bdc57dfdad10ab4a0c8caadbbc
SHA512aefcedd41c25221d0a0930243e65f73776f7289292bf3d456c99ef2adcc27112f3ec966c372603f0a1aea465033f249949aa155d7528bb877f9f2da7b879ba8d
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5