Analysis
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max time kernel
142s -
max time network
153s -
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 16:17
Behavioral task
behavioral1
Sample
74f3486fcd4bcfb7d1cd0321ade47069.pdf
Resource
win7-20231215-en
General
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Target
74f3486fcd4bcfb7d1cd0321ade47069.pdf
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Size
87KB
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MD5
74f3486fcd4bcfb7d1cd0321ade47069
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SHA1
0cb39dc5086aae130e1cba5d88e63db3ddd06f3b
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SHA256
885f2e2f923ddc29ca07779654d8cc1953c332b0164d0253708ce971a64fa15d
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SHA512
0490fbca1c3d958975afacf1a37759b68851d6c39ba3d623d5bb6adabd4250cd0d7efad21ec03d344a3b094a4af958260b85b09657a9688e1a91334cfa14e6ff
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SSDEEP
1536:T+g6EUsgRlBiypNMEkUHACn6moWrBT1yaoiu3JfrWQpOCRHMuL6:v6EU/Rl33kUlBYhZfWCRsuG
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2648 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe 2648 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2648 wrote to memory of 1140 2648 AcroRd32.exe RdrCEF.exe PID 2648 wrote to memory of 1140 2648 AcroRd32.exe RdrCEF.exe PID 2648 wrote to memory of 1140 2648 AcroRd32.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 1176 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 RdrCEF.exe RdrCEF.exe PID 1140 wrote to memory of 4432 1140 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\74f3486fcd4bcfb7d1cd0321ade47069.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:2648 -
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:1140 -
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=1A5A2E9E9C257369A0220F4FB3ABDA1E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1176
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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=8801EED01AB45E9D29620DA69AA45498 --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=8801EED01AB45E9D29620DA69AA45498 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4432
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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=2267E4D3535A7252DA32E654EC33B642 --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=2267E4D3535A7252DA32E654EC33B642 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:13⤵PID:3388
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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=32664196DBD61C471AA6ED7BCDF63FB6 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2988
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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=12C08BE66AE1CAAB87E84F5224B00180 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1680
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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=FC0FEFF4884BD2CBDD3625E20256A7AE --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2180
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4728
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD5d80a46a00f51edb3cdba6bd92d9da437
SHA1b19292f0c01541c64ab28c37a71da3ea15934b3c
SHA25637a9ee450e76808f9fe135a32aba788a9906d85bd8efd9f6ca1ea50ba8cb7993
SHA512e30aef6f8b2ab9cc9fede3886b4c0a45eae78b8c84a2baf6bfbe4e774081c226894b0954941c238862965b32b9ec97ff05131bc6a85365bd417c1e7e39c734ec
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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