Analysis
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max time kernel
141s -
max time network
149s -
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 16:19
Behavioral task
behavioral1
Sample
74f3fca0b4e9d095f8f4a1927a6e9da9.pdf
Resource
win7-20231215-en
General
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Target
74f3fca0b4e9d095f8f4a1927a6e9da9.pdf
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Size
47KB
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MD5
74f3fca0b4e9d095f8f4a1927a6e9da9
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SHA1
a6f244f6070dd3df4317d8c25a62387676e37470
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SHA256
9697b6fa5775e964c9da0e7535a069150262a40fac528b34ce7e4f380204ff0e
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SHA512
25b93a48c8ffa1dd2e886471ec25c30f70dd3158e1387d0ed667ccdba8bd2e2af74c3920d42f021a6e7d4c0922eaaa2819f5429935c8e1283e9f0cb2628a1aad
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SSDEEP
768:4lpEcZaYXspLgldxeyOSKD6iiCHlvlR/iIgeGAK9ORG1fWyEme6Q29jk:KB4YaQzOSKPdHldBiqzKT1fWTGr9jk
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2964 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe 2964 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2964 wrote to memory of 3240 2964 AcroRd32.exe RdrCEF.exe PID 2964 wrote to memory of 3240 2964 AcroRd32.exe RdrCEF.exe PID 2964 wrote to memory of 3240 2964 AcroRd32.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 2468 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 RdrCEF.exe RdrCEF.exe PID 3240 wrote to memory of 3292 3240 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\74f3fca0b4e9d095f8f4a1927a6e9da9.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:2964 -
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:3240 -
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=C80401FC59B0949167C85BD48C7E073E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2468
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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=CF0C656845F1CBD61E3FC116420FF513 --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=CF0C656845F1CBD61E3FC116420FF513 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:3292
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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=9B16459699B8B87CCFACD6174FCA4059 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3116
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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=DB7A72BBFDED60008F5C71F56D4CD0E0 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5100
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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=85FD4C8D4C54DC347BB68FA24C60206E --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=85FD4C8D4C54DC347BB68FA24C60206E --renderer-client-id=6 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:13⤵PID:1616
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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=8AD0F48CF82A2CA24F5A31A17A137CA9 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3872
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
MD53eace81a735b44c22789fd5bbd49f68f
SHA11299fa44f884a54bd3e2f384538c7f36d134dca4
SHA256a6a3acb3bf318a0f58150cfa140ede93fb9cf39ff29e994346dc0b61804442e1
SHA512407d0bb789b5ac0fdad8a28edef068ce37e6614aa9cc57dc5adc0d7fd1c7042dd6c08a50423a6066ac4cfbebb035f726f10f9073d4535e552bfdd8105ef8844d
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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/2964-26-0x0000000009FE0000-0x000000000A030000-memory.dmpFilesize
320KB