Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 02:46
Static task
static1
Behavioral task
behavioral1
Sample
1678871804115.pdf
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
1678871804115.pdf
Resource
win10v2004-20230220-en
General
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Target
1678871804115.pdf
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Size
155KB
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MD5
dc3487478551808c7736c7ca9969f447
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SHA1
822c82082341d2eb8ab728027065c7b7f617d93d
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SHA256
35d17f8eece5b0667b442c0ec897539afdff21815b27edcceebbb4e467ec6fff
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SHA512
cbc36de40e6e60aba5e731e2a8786a5849d02b527303ab9026478c6475931257486e526051e2d1dd9f4bc7e39dd376136df7e3bd176f052b8a2c1ac5538fbe94
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SSDEEP
3072:z+r3v3vs0R4Nm3WmrXVBOAETt+Pb+oIZUvDLzFGMkeTKU1:zq/vsGc26+Pb+1SPJGzeTKU1
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4776 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe 4776 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4776 wrote to memory of 3716 4776 AcroRd32.exe RdrCEF.exe PID 4776 wrote to memory of 3716 4776 AcroRd32.exe RdrCEF.exe PID 4776 wrote to memory of 3716 4776 AcroRd32.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4168 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe PID 3716 wrote to memory of 4324 3716 RdrCEF.exe RdrCEF.exe
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\1678871804115.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
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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=5629F53F4EC24961FD1AE7E4C97851D5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=948B5CBC646298B07506A56863B8640A --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=948B5CBC646298B07506A56863B8640A --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵
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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=54922B914B53727A0FCC43E9539D745E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=979F5DB43B5AE013DE689E411B2473FE --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=979F5DB43B5AE013DE689E411B2473FE --renderer-client-id=5 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:13⤵
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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=7026FC99321EB5FB3B1F00D06CA5FBB7 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=653E4E3C175354EEE8FECA7930657BCC --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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" --backgroundcolor=165140432⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD52f3a2e570ffd951cf0008ebb03d622e7
SHA1c4713791d5c3643ce4139fb2443b9ddfaefe448f
SHA256a89869583c3e347fd37c4f71cc24f2ed384383f135a459e948b60bbcee78d964
SHA51207a56347525cd6dc631aeb2159219cd5f1fccd04752569b59d43aad33478c57d7f90ccda60faa13b64dd9aa214c388c2054465120553d181f4f07d7c3afe267b