Analysis
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max time kernel
141s -
max time network
147s -
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 16:29
Behavioral task
behavioral1
Sample
74f86064ca591b066786ec6465b3fdc0.pdf
Resource
win7-20231129-en
General
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Target
74f86064ca591b066786ec6465b3fdc0.pdf
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Size
84KB
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MD5
74f86064ca591b066786ec6465b3fdc0
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SHA1
1345f8bc4959e7b5925a9f93ad44de1429af9a10
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SHA256
48eb2780e69adb453275f16a2f36ef3b9c22331362f0170a3ecff5bea14d8e35
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SHA512
c652c7284c1737150cc86269333fd95808ea20efa80cfc0261e39b5a11487f2ca6268249c38080a1e8392294b5921a8d86dccb3925302b76e6c5ca717549f870
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SSDEEP
1536:ajAsX54BkApV/QW6avUr2Wm7zmLyAe1cSBtk6Y3WGpOKY62bNWRIAi/sxl:rE4BkA6jrHm7q+AeySBtJ3KYBbII/6
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2040 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe 2040 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2040 wrote to memory of 4112 2040 AcroRd32.exe RdrCEF.exe PID 2040 wrote to memory of 4112 2040 AcroRd32.exe RdrCEF.exe PID 2040 wrote to memory of 4112 2040 AcroRd32.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 1592 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 RdrCEF.exe RdrCEF.exe PID 4112 wrote to memory of 3156 4112 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\74f86064ca591b066786ec6465b3fdc0.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:2040 -
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:4112 -
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=4D190175D627A1A7F4BEB2BA2C5A4DD2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1592
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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=662D2DF66CA8B7F5AFBD4E50CCD89677 --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=662D2DF66CA8B7F5AFBD4E50CCD89677 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:3156
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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=A7D78B517BD914697DE16276EE3422E7 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4836
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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=637B5B0F5C12482A07A758FC5AAD9B0B --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=637B5B0F5C12482A07A758FC5AAD9B0B --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:13⤵PID:4876
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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=D8DA71F4BFF33A7499A8200B6726B35F --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3496
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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=AC5005F28BE60A42C3588221CA505A2D --mojo-platform-channel-handle=2828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3100
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2112
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
MD5516f0e378af093230be749fa30e6f40f
SHA1d074df9505549f4785878e2f3645b3ff202b1341
SHA256e64c208cdaa47bce7fd1cb746e3526179e9d879b240c665e99ba3c30eb8446e9
SHA51218390133d9cb646e00aa0b1c95c4482d3fdb9f47058ebb3170ac7bbca4d557dab54fac1eb6d6f9c0e5781532013b9ab33f74e72914a9be777633028c59fa3159
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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