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Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
14/04/2023, 11:01
Static task
static1
Behavioral task
behavioral1
Sample
Lexmark Purchase Order# 4500926314.eml
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Lexmark Purchase Order# 4500926314.eml
Resource
win10v2004-20230221-en
General
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Target
Lexmark Purchase Order# 4500926314.eml
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Size
104KB
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MD5
ed7a601efdde3c7e63eda00b2df366b9
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SHA1
e15479a41995f12fbdf6aa5c5cc2b41a2934ebd8
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SHA256
62db6c08b28ce8ea7e042212426caa4488f0dcae513ebd2342ebb9a70174a399
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SHA512
a55eace08d45b84d810229b5db275d14b6a81698e7a4be34804d0a8181323e025fb796b61eab3c82e45a5985a4b94546ed1da208cc20ab722f3a3c47ce565317
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SSDEEP
3072:YuEfJqvVqWCstRAL8R3/t9u3nck1iueQo2as1DKMd4aLEF3SzrVBPYK:YVfJqvrCsA3n/csBPYK
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000_Classes\Local Settings OpenWith.exe -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\Lexmark Purchase Order# 4500926314.eml:OECustomProperty cmd.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1052 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 18 IoCs
pid Process 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 4336 OpenWith.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe 1052 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4336 wrote to memory of 1052 4336 OpenWith.exe 95 PID 4336 wrote to memory of 1052 4336 OpenWith.exe 95 PID 4336 wrote to memory of 1052 4336 OpenWith.exe 95 PID 1052 wrote to memory of 2496 1052 AcroRd32.exe 97 PID 1052 wrote to memory of 2496 1052 AcroRd32.exe 97 PID 1052 wrote to memory of 2496 1052 AcroRd32.exe 97 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 5060 2496 RdrCEF.exe 98 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99 PID 2496 wrote to memory of 4348 2496 RdrCEF.exe 99
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Lexmark Purchase Order# 4500926314.eml"1⤵
- Modifies registry class
- NTFS ADS
PID:1768
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336 -
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\Lexmark Purchase Order# 4500926314.eml"2⤵
- 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:1052 -
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=165140433⤵
- Suspicious use of WriteProcessMemory
PID:2496 -
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=15776549B682913EF8EF646DBE3597B0 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:24⤵PID:5060
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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=EC3DDB1CDE1C404197822250DC0A7E3F --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=2 --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=EC3DDB1CDE1C404197822250DC0A7E3F --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:14⤵PID:4348
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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=A0E827665907416C452B28A979BF4989 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:24⤵PID:4788
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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=D635C019B25A51A4A53C9CD63EA38235 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:24⤵PID:4264
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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=6C29C3A2B19A16B1B63B074C2915B385 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:24⤵PID:2260
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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=3CAF4902613D63450D9B316F321ADA0F --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=2 --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=3CAF4902613D63450D9B316F321ADA0F --renderer-client-id=8 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:14⤵PID:4276
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3364
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
64KB
MD5be84e1af1afe45e73125bb0f6782365c
SHA16008a800fb9cc67007e7d764af6cdaefdf7c20ad
SHA256d18edaa298e9d5d77994f1fbcb2ca80736fdf3192a2e8020b1f7a723f7986165
SHA51261402ab7c90db97dec44298a8b8c050910309e64f06a67fa1fbfa185c48164fb32b128d97182f49409df92bbc62aeb385c3ebbfec3cd4e68f1ff0679a81d95be
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Filesize
104KB
MD5ed7a601efdde3c7e63eda00b2df366b9
SHA1e15479a41995f12fbdf6aa5c5cc2b41a2934ebd8
SHA25662db6c08b28ce8ea7e042212426caa4488f0dcae513ebd2342ebb9a70174a399
SHA512a55eace08d45b84d810229b5db275d14b6a81698e7a4be34804d0a8181323e025fb796b61eab3c82e45a5985a4b94546ed1da208cc20ab722f3a3c47ce565317