Analysis
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max time kernel
591s -
max time network
574s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2024 00:34
Behavioral task
behavioral1
Sample
1099Misc.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1099Misc.pdf
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Wrights 2023 1040 W2s TaxDocumentPDF.exe
Resource
win7-20240319-en
Behavioral task
behavioral4
Sample
Wrights 2023 1040 W2s TaxDocumentPDF.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
g2m.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
g2m.dll
Resource
win10v2004-20240226-en
General
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Target
1099Misc.pdf
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Size
130.0MB
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MD5
f158d3387c6e2cb1b482f7b7abee7e20
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SHA1
9aadedb8049339dd027a45bc733caa1f6f3dc7a9
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SHA256
c052369f476b624913e8aec1a3ba729d30b5d5f145c4c5c58d64f7d09cfa54b5
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SHA512
93e92533c93d966007eaf6fb35772e362326eb8bd321f1db28cfa98943277589a393081157a8832f162776127eb91974e3f93a2ea3475e936db1f228973bc40e
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SSDEEP
3145728:96lH+byk0ZggBznCh2HCea5bQ92NmDVr9XqnZGWp:
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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1704 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe 1704 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1704 wrote to memory of 3832 1704 AcroRd32.exe RdrCEF.exe PID 1704 wrote to memory of 3832 1704 AcroRd32.exe RdrCEF.exe PID 1704 wrote to memory of 3832 1704 AcroRd32.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 2008 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 RdrCEF.exe RdrCEF.exe PID 3832 wrote to memory of 1952 3832 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\1099Misc.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=4D4BE001D2DDBCFF51FCBDA0B1AEF20C --mojo-platform-channel-handle=1752 --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=9E0E9EAAE4413A9C691F5A71304B8B50 --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=9E0E9EAAE4413A9C691F5A71304B8B50 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --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=1F168A80BE7875C8E51370F805422541 --mojo-platform-channel-handle=2296 --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=D3C54EE156224F740AB60C8E9200393F --mojo-platform-channel-handle=1956 --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=A38749AC1C5D7B07CB2497FF6A3669D3 --mojo-platform-channel-handle=1956 --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=A19282E0B057A573B904934E6F1B2D0F --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=A19282E0B057A573B904934E6F1B2D0F --renderer-client-id=7 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:13⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD5ff1fb05a07408017338f209ceb1ebe45
SHA1ff473d30b61e2b769a055ff81be8017d9c4a0f5d
SHA256e15eb7fefc3daa6a61009879ed31beb6383f8593667fe0dd5508227adec89bba
SHA5124be222cc3063c75c61a01016505c36a126c063d5c259ad32b73b8dcf758c8efb529f30abd7c1fc85dffc36613fbd27a3d71658d3537bcf9750acf594596861a8
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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