Analysis
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max time kernel
141s -
max time network
136s -
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
74f372b96ee88bb6c4b5b13cb88b9c41.pdf
Resource
win7-20231215-en
General
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Target
74f372b96ee88bb6c4b5b13cb88b9c41.pdf
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Size
86KB
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MD5
74f372b96ee88bb6c4b5b13cb88b9c41
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SHA1
e2556e9b9d3915d6939ba7bbffada31e438e0553
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SHA256
8ea6194ec6187663cb604fa05fca280d3c6f5ee40d0e913854e6eb0ccd9cdb5d
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SHA512
b3edf0763e72fcf654b307dde706be0a5a370546f191932229a90487cf3d5b5acf1cf2f0d4b6fc14e7a350f4a0705d6773e7eeb73a846e4573720d30173276bc
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SSDEEP
1536:08L6Vmttp+HmkHyj/Nao38feGerF8IgVGeWRDRsQsA53WGpOKqxSxDe2WGohs3:xO2qLHe4g8f9erF8R3WRDRq3K5e5G
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1688 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe 1688 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1688 wrote to memory of 3400 1688 AcroRd32.exe RdrCEF.exe PID 1688 wrote to memory of 3400 1688 AcroRd32.exe RdrCEF.exe PID 1688 wrote to memory of 3400 1688 AcroRd32.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 4500 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 RdrCEF.exe RdrCEF.exe PID 3400 wrote to memory of 3288 3400 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\74f372b96ee88bb6c4b5b13cb88b9c41.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:1688 -
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:3400 -
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=F94061881301B043748899CD5D48B2B7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4500
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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=680BBEB7010739B34BA10034F01F8FAC --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=680BBEB7010739B34BA10034F01F8FAC --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:3288
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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=804564526B6908B209B919861307EF74 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1992
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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=DEEDAF86A5682927EA6C69DE1DC0439A --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=DEEDAF86A5682927EA6C69DE1DC0439A --renderer-client-id=5 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:13⤵PID:3272
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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=53D4F5DD333D145AA58C930DB7FA5742 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1836
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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=54E6476979D54FC8E228EAB5FD5B2A5A --mojo-platform-channel-handle=2836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3252
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
MD56304e020c9ea027425a0294a612361a3
SHA1c159b5ab6046e13862c4321e0faf05c8c377fafc
SHA2564ad90a85984ad377ebb6477316c6248c6840556643f9ced832b6c28de31963ff
SHA512c5409fcbebac9b5bda29f56011ac35dba0907aebb35dd9c7580e374fa34e49141b1af0262f4dd15337555528bdf39d4f38b829efab4c386b93df571121beb99b
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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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memory/1688-28-0x000000000C440000-0x000000000C461000-memory.dmpFilesize
132KB