Analysis
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max time kernel
139s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/09/2024, 04:04
Behavioral task
behavioral1
Sample
8cef0f713a1fb340b5f4465a6441290490941ca7dd55a30037693491d4bcb184.pdf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
8cef0f713a1fb340b5f4465a6441290490941ca7dd55a30037693491d4bcb184.pdf
Resource
win10v2004-20240802-en
General
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Target
8cef0f713a1fb340b5f4465a6441290490941ca7dd55a30037693491d4bcb184.pdf
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Size
85KB
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MD5
4a24e6254258e3762ec62c2d571e2c96
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SHA1
0bda18890c8122493db8b4673f9c3075a2056cfd
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SHA256
8cef0f713a1fb340b5f4465a6441290490941ca7dd55a30037693491d4bcb184
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SHA512
fc04059dbcc2225311ce2f38d1d761de6dba69bb2a54375097940c04a9054aca2f7d0ed9a84763ff0e60ebb26c2cde1a6f804b1011fccdf9afe292b8f323c103
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SSDEEP
1536:dPUm5oMRn6mSXMe9/jXdJtS+bRDJiJU8IBsC5f+87CAv7WQ5ul1byNaWmpOSMLz:Bn5oLbxdfS+bRDJihM7Nr5ul1uNnSo
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 RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2700 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe 2700 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2700 wrote to memory of 4564 2700 AcroRd32.exe 89 PID 2700 wrote to memory of 4564 2700 AcroRd32.exe 89 PID 2700 wrote to memory of 4564 2700 AcroRd32.exe 89 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 516 4564 RdrCEF.exe 92 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93 PID 4564 wrote to memory of 4980 4564 RdrCEF.exe 93
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\8cef0f713a1fb340b5f4465a6441290490941ca7dd55a30037693491d4bcb184.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:2700 -
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:4564 -
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=3416B58E11BDAC9E6DC199E77B68AEE9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:516
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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=E857D6DA93348CE3EAD10BBDAF2FF18B --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=E857D6DA93348CE3EAD10BBDAF2FF18B --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4980
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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=94FC38F8CC889EEBACA5593D4D26C73F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2604
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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=969FAF0B01C3188CEAEEA5155A33B003 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3080
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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=EEADA45F712581EBA70F9AD5B392191B --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4760
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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=1ACBAF935564F7510BBC3BF36336BFD3 --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=1ACBAF935564F7510BBC3BF36336BFD3 --renderer-client-id=7 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1400
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4000
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5ee2a60206c86a341311c51f6fed9e21f
SHA10de37125e17ccc22af703265d315dd878b0cf914
SHA256e05bb2fd97b951187bd9962afe1a51805774867c04bd897b965c45017f04781c
SHA512ba99f6c22c2d1149317f0a8e237faf037dde8c8f093a795fcfb92e446bca7b5218242e8ee8b0eabbb67768386352545d43f7ea50140d7b47a409dd7bd7328ed9
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5