Analysis
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max time kernel
104s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2025, 13:45
Behavioral task
behavioral1
Sample
KAS Career Services.pdf
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
KAS Career Services.pdf
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
UMASS CL.pdf
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
UMASS CL.pdf
Resource
win10v2004-20250314-en
General
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Target
KAS Career Services.pdf
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Size
87KB
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MD5
5b4c3655b6e6b608aa940b42b8b14974
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SHA1
13b2653f8b8361e9d1b7c6a2b4f97849e4762d69
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SHA256
deea608a7b59799e152434f2b6c6711c2727bd211fa82a082e2c628fd85014d2
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SHA512
3299fe45f8130608af882f0f1624717c987c8cd9380e5a2d3a43fa2ec2cc6ec32a264669afa55b0e49bc3b346a477a3905259158d0dbac0df4408f06918255e3
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SSDEEP
1536:xtck80F+GwVNR//U20RxVCiGUNa9QgmBmV86Mysgi/tNBWoFKSQeR0wIg2/:4K+RNR//F0ZbnReBMnv4otKwm
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 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 -
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-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4384 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe 4384 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4384 wrote to memory of 2032 4384 AcroRd32.exe 89 PID 4384 wrote to memory of 2032 4384 AcroRd32.exe 89 PID 4384 wrote to memory of 2032 4384 AcroRd32.exe 89 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 464 2032 RdrCEF.exe 90 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91 PID 2032 wrote to memory of 1220 2032 RdrCEF.exe 91
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\KAS Career Services.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:4384 -
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:2032 -
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=6274EFE0D5E81A8A622C3B3E09B14DF2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:464
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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=B5F25C326DFE26C3CD97E5F2072DD829 --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=B5F25C326DFE26C3CD97E5F2072DD829 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1220
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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=EA465B72B571CB072EBEBFE2EF767B96 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4720
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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=510C3B127B7D2558CFF67C054CAFC2C7 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4800
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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=63959C4CE6C3F6E3A766BCBF78A5DD9E --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:924
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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=3C8BAC7F0E81F4D8EAD03221BA77465F --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=3C8BAC7F0E81F4D8EAD03221BA77465F --renderer-client-id=7 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5f282478552f7aefa16081e292a0155c4
SHA1dcda192da393fe248360ab77f8f8e9cb6906cf7b
SHA25688db254dceaf75c6c364e8ffc763915c804812e26624ff77ee5e2ee69c5ab366
SHA512ff209dd2347ccbe06d81e8ef053e231c1c52a0dcc132aca634cc5e932287a50a8bdfdabbb4ec12ff0c1b9154927fc4d312c495f3a503c83308274563dc1be5fd
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5