Analysis
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max time kernel
147s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
31-10-2024 18:32
Behavioral task
behavioral1
Sample
Spencerstuart Benefit Enrollment.pdf
Resource
win11-20241007-en
General
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Target
Spencerstuart Benefit Enrollment.pdf
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Size
134KB
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MD5
9579eebe44dca5f2968aa4cc9ad23f5a
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SHA1
da98de0777b4b68eb45d439bd5a3e3838acb8425
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SHA256
1a2685d0237e7b70196f8a362f5b9a3687d75b3d5f453afa74538728207e2e4e
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SHA512
28d2bcf45b7b9e48914eeb79bb8f79ac8a35322177a6fe2c62d85a6b8aa212cd06084b96b9a3130307c865ce8ccabc620ee3fcb6543997c02f21277703c58c27
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SSDEEP
3072:sk1OLBkM9isQGevw6fXbQI6m1AVV2ksZPGPWv9d:skKkRGo18I8c
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1732 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe 1732 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1732 wrote to memory of 720 1732 AcroRd32.exe 81 PID 1732 wrote to memory of 720 1732 AcroRd32.exe 81 PID 1732 wrote to memory of 720 1732 AcroRd32.exe 81 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 4404 720 RdrCEF.exe 82 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 RdrCEF.exe 83 PID 720 wrote to memory of 1724 720 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\Spencerstuart Benefit Enrollment.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:1732 -
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:720 -
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=DB27D3FE344DDC7D9167DE9537CEF36A --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4404
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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=195B0D43390F6727FC773D0F77C0484E --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=195B0D43390F6727FC773D0F77C0484E --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1724
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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=76F4888B59D63334B182BAC80EC9D7A1 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4324
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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=D949F2ECC1ADAA677682E27E8FB1AEB9 --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=D949F2ECC1ADAA677682E27E8FB1AEB9 --renderer-client-id=5 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2448
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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=A8B82FB403AA831276B8F01F887E4A02 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2584
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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=544D6481671965CD4C257BBD09885D87 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3220
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3360
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5c3e4b6978b4823778313d993d64a462c
SHA143ad6b36bfe8e6977a7801046ba7a76fd645f93c
SHA256c1398a2a90c9f1f563fcd55a9f5610be5b7de27e7b99b246b40913472b391d53
SHA512dc5fa1054592b5822462ded058cf83a0509dcb2d502717c87bd8b1264f320ce2e8f6ab142265035d2f05dc465737698bf7ce912f28d42f9156dc6ab36629a123
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5