Analysis
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max time kernel
1790s -
max time network
1501s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-04-2024 18:13
Behavioral task
behavioral1
Sample
Untitled document.pdf
Resource
win11-20240412-en
General
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Target
Untitled document.pdf
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Size
13KB
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MD5
57566a38f568a086688846e48185c081
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SHA1
98058d8de3bfe4d6bd0056283e58bce3cc4f5f8f
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SHA256
65ca63a46dd3778e21f077fa25bb7d017c51d8a068e80ff8f801786bbdf34d89
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SHA512
66e9e4a46d71d7c8d73b4fb0803fc478f6cc73dd68073b1111d7f285e5009ad07bbc582ab358f59e60d84214bd4294ae85d960d501b2ca01707dc41f3aaeb574
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SSDEEP
384:Wg4e486b3zL9hfUmg6VQNRvrjhdKHejRhljP6f51cALVs/xPOF:Wg4D86bDL9pwR3fTNnQ51cARs/EF
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-1-5-21-2718508534-2116753757-2794822388-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4316 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe 4316 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4316 wrote to memory of 3500 4316 AcroRd32.exe RdrCEF.exe PID 4316 wrote to memory of 3500 4316 AcroRd32.exe RdrCEF.exe PID 4316 wrote to memory of 3500 4316 AcroRd32.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 484 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 RdrCEF.exe RdrCEF.exe PID 3500 wrote to memory of 1092 3500 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\Untitled document.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=75982CF2711D550990C51CB6925DD64F --mojo-platform-channel-handle=1764 --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=33B006823B96BEA5C4A04E028B72A0F5 --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=33B006823B96BEA5C4A04E028B72A0F5 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --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=5284E1762CD1D69ABAC744818C9EE00D --mojo-platform-channel-handle=2332 --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=A589992734552A1F065738F6ECFC4343 --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=A589992734552A1F065738F6ECFC4343 --renderer-client-id=5 --mojo-platform-channel-handle=2464 --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=2F4321803882D68CF9E87B0D34426E2D --mojo-platform-channel-handle=2564 --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=005A589AE45DB104F0049CA39C88089D --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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
MD56e2b8a5b1f1327a644b487907a243529
SHA1f51d68903b631901acf177f3efe7c31aa6d9715c
SHA256e4a25defa4960f6d91f4647779fb7253d52a0613dc016da2d98dc01e2227e4fd
SHA512ee11679cca9a25b555cd1835d2d38e7fe6abd3df5e8c348413cf42bb139b69636577ef81adddc5186fcccfde1aab5d1ed95ae5fcb023555ab39da0326217818e
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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/4316-26-0x0000000008B40000-0x0000000008B90000-memory.dmpFilesize
320KB
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memory/4316-128-0x0000000008B40000-0x0000000008B90000-memory.dmpFilesize
320KB