Analysis
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max time kernel
435s -
max time network
436s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 20:54
Behavioral task
behavioral1
Sample
INV1108360.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
INV1108360.pdf
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
W9.pdf
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
W9.pdf
Resource
win10v2004-20240802-en
General
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Target
W9.pdf
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Size
288KB
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MD5
315fbeddba3c93a308266d16530ee706
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SHA1
96592c375f97d797df99ac641d275aa0d2200ae7
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SHA256
4db305c1bc53e993a5d81784ee812a4545aa1fd6a4cc23823449ab1ee4db4617
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SHA512
c4382593eadc21e8b1b10c5b5c8853b621a5b1de53334eb564a00cb86554f6a4d49d9a4a3a4f20b6567da85cae8f6d91f5b00c4df3224127625d02a3f6d1ad78
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SSDEEP
6144:EIx6o1c12pTm3Yxqr81elX8zDE19tKaypdFZ/6:EK6o1ig5/E1CaypdF4
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 AcroRd32.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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3724 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe 3724 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3724 wrote to memory of 1568 3724 AcroRd32.exe 84 PID 3724 wrote to memory of 1568 3724 AcroRd32.exe 84 PID 3724 wrote to memory of 1568 3724 AcroRd32.exe 84 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 1272 1568 RdrCEF.exe 85 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86 PID 1568 wrote to memory of 2436 1568 RdrCEF.exe 86
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\W9.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:3724 -
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:1568 -
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=8C91FCCE2591FEF7FA40EF600BD64704 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1272
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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=99704BDFF5F3531E7AEA3363BB979535 --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=99704BDFF5F3531E7AEA3363BB979535 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2436
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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=B38A307327C03B25472CCB5032E11031 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3268
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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=C4D8D528424BF1038577F7D0ED4C4B09 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:876
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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=DDFEE750F6D0F0568E34FE0FC2429E5D --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4504
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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=E61841336148C9E673D396827C83AC66 --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=E61841336148C9E673D396827C83AC66 --renderer-client-id=7 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2684
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD544877293b2a7f25cb935cf3189b9291a
SHA1d04abef961c1ec9cb1355ac3a26641b8c2968902
SHA256ba9b8b0e16b380de8ccaa27a475a5741a0c4d218909ec4e1ee048b17479497ae
SHA5120c11c3ccb36690077384d99c463220682ec24075bec9b67010856e99e13bac677851ddfe023511b4a8ff567af456da1573f2331258b92abcb6f78204dea12cc1
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5