Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 09:26
Static task
static1
Behavioral task
behavioral1
Sample
1bcf582721eae8a1c8084ef8f96b35e90320709cf54f22c8c8ddbf34ab090a3eN.pdf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
1bcf582721eae8a1c8084ef8f96b35e90320709cf54f22c8c8ddbf34ab090a3eN.pdf
Resource
win10v2004-20240802-en
General
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Target
1bcf582721eae8a1c8084ef8f96b35e90320709cf54f22c8c8ddbf34ab090a3eN.pdf
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Size
159KB
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MD5
2385b1fc6956725e81644396bc211030
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SHA1
84bde3210afe8ce24eb65ddb1fb78442f5fce34d
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SHA256
1bcf582721eae8a1c8084ef8f96b35e90320709cf54f22c8c8ddbf34ab090a3e
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SHA512
317be6545d70c6b6954bb40ff2b743f0448da62b11810f92e28db103797296457e3e9b8516e66061780ebfdd05c4f0e50f9ffb7bd92da7f8fd6b24fe3c8f43f5
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SSDEEP
3072:FPmGZg5HoYa1uSyvGg/7+wJBdJ2mos6ehI3oWLIyZnaYgXDFL+nd:QGFYaPy7JBdJ2yhQNarC
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 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 -
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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3760 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe 3760 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3760 wrote to memory of 2540 3760 AcroRd32.exe 82 PID 3760 wrote to memory of 2540 3760 AcroRd32.exe 82 PID 3760 wrote to memory of 2540 3760 AcroRd32.exe 82 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 1440 2540 RdrCEF.exe 83 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84 PID 2540 wrote to memory of 492 2540 RdrCEF.exe 84
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\1bcf582721eae8a1c8084ef8f96b35e90320709cf54f22c8c8ddbf34ab090a3eN.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:3760 -
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:2540 -
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=030C38033C02E3AFE930D5926F35E18F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1440
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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=A9EB422D2FB54C35B924287F205F1ECA --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=A9EB422D2FB54C35B924287F205F1ECA --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:492
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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=B34C93DB1D1BD54E9AA5874C753A3924 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4936
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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=C780FFF725FBDD96C22802F638265775 --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=C780FFF725FBDD96C22802F638265775 --renderer-client-id=5 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3996
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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=4BAB668A1DEAD396D6C9E34D02D4F19E --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5072
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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=92645D7A6BA937684402A596E653E77A --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5b42143fd9fe9e1dc078889943a6e0399
SHA165f956668108826dc1cc1479605c422317d64dcc
SHA256ce50c596ace46958a1a9233fd050cd78737bcb064f0d6aa61e4bae17c054b8ae
SHA5124e9ec8af769405b9547e904aaf5d51006992a6ab02bd679dded9f3a44ed30633edc1ba81141c5e93806691e617c9600f76c0700560b6b1d73dc75f66be185ed0
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5