Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:08
Behavioral task
behavioral1
Sample
750d2c803a708393f8df0ea52ce8b205.pdf
Resource
win7-20231129-en
General
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Target
750d2c803a708393f8df0ea52ce8b205.pdf
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Size
92KB
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MD5
750d2c803a708393f8df0ea52ce8b205
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SHA1
1e5da849bab7e167fbbfd13423aa5bc66dab4b63
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SHA256
67f8a2e41672313d447c8f3510baa2c9d713953156d2252d45dbfe43b3e26ac7
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SHA512
93484e7d9326c6953ade393b570fef6abf12d69326936e1c3ced5d0c7e109578a6face3cad565b1421d7d429f98d760da798e8f4ff941d00615aae122cc0948a
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SSDEEP
1536:UvpACvO1iKY24GrzRWGo0CE/njITv17WCNMWhTFWGiicOpQXWwpOSX7x:Uen1iKx4qzRWxCbITv9NMWhT3iicOpQx
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 408 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe 408 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 408 wrote to memory of 4284 408 AcroRd32.exe RdrCEF.exe PID 408 wrote to memory of 4284 408 AcroRd32.exe RdrCEF.exe PID 408 wrote to memory of 4284 408 AcroRd32.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2692 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 RdrCEF.exe RdrCEF.exe PID 4284 wrote to memory of 2744 4284 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\750d2c803a708393f8df0ea52ce8b205.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
PID:408 -
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
PID:4284 -
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=3C5D2C98E7B330CA971CBB749D5CD1E9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2692
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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=95868D2E76EC8868D7E3B1191BABC64E --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=95868D2E76EC8868D7E3B1191BABC64E --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:13⤵PID:2744
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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=B197FF0E9D2C1E94C614E8B826F2BFC0 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3240
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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=7CEF93BCF02424B9211C730B9CF106B6 --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=7CEF93BCF02424B9211C730B9CF106B6 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:13⤵PID:3664
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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=0AFA5FB2EC0F0B20F62BB261573C190A --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4028
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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=08761F0DE762C1ECC5C6F3A363E23A7B --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD5a69305492023f799d9216e882bd71bef
SHA14969ea1dcdf36db5c2eb6148762e48b2037845c3
SHA256538e629e2b384c689c41d3dce99a402a51d8b043b32bf7528a0f726699e07651
SHA512bf2fea5637b6610ffab69eb322e0b97b34b872e0b8c1d034bc2c15b3f289512043d16469493281a26a97e5e0ca87a08175f373625e213b0ee7ab9fd10a6315df
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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