Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 03:48
Behavioral task
behavioral1
Sample
Benefits & Compensation Letter For Skgcs Ops_GTDEFPPKILJROOT.pdf
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Benefits & Compensation Letter For Skgcs Ops_GTDEFPPKILJROOT.pdf
Resource
win10v2004-20240611-en
General
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Target
Benefits & Compensation Letter For Skgcs Ops_GTDEFPPKILJROOT.pdf
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Size
29KB
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MD5
b603adccb7e31a4941c456a8f4f9ab3a
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SHA1
1bfb0faf333b3ae1f3f4af68b71621a47a4f483a
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SHA256
ff320cb28d20844a224c2d537341bb99e80a08ac11c783eee8b1115ad659ab1c
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SHA512
bfff40882efda50e6fbac035f6a171da3da49d91c8c9fc7ef57c4652261c1180b340b2c0a273b50ad8352c18bedd9d8ab86dcade87e38036ad419c18718927c7
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SSDEEP
768:Bs97XcbPttWmGN++w7w8OsuDC8WRKrQlsq3Dl5ZD:B+XpS7w8z6Wg0SIDrZD
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-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2608 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe 2608 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2608 wrote to memory of 1596 2608 AcroRd32.exe RdrCEF.exe PID 2608 wrote to memory of 1596 2608 AcroRd32.exe RdrCEF.exe PID 2608 wrote to memory of 1596 2608 AcroRd32.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 3656 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 RdrCEF.exe RdrCEF.exe PID 1596 wrote to memory of 4500 1596 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\Benefits & Compensation Letter For Skgcs Ops_GTDEFPPKILJROOT.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=50130B512A3FB76736CDA65229335CB4 --mojo-platform-channel-handle=1740 --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=C3119C06827F6A5ADC97201316D4948F --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=C3119C06827F6A5ADC97201316D4948F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=A5276EBA1144AC98E988370C54A91D6E --mojo-platform-channel-handle=2316 --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=1D0682834886AC456062E11BA04A88C9 --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=1D0682834886AC456062E11BA04A88C9 --renderer-client-id=5 --mojo-platform-channel-handle=1728 --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=F475D2196BA81BC8A1DD7A9350FE3F87 --mojo-platform-channel-handle=1936 --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=C7AF0B1D6DC7C28F008E43BD8C59202F --mojo-platform-channel-handle=2772 --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
MD5d7bde5ea882a692c5652029617a4c61a
SHA1db1799171d0b0d1d77fe4b7b9e65425d69bb4e39
SHA2569272db23c2b99d4c11014ac603f6fb470fc1de42bc1727ab996765f07d7fc9bd
SHA51290180033d474b28186ebb916ed6d26e865d775ff0d5ed53ca7096a7ccb69e26c1bb8bbe80f664d9adb5b5f8de2040f48c3cd7c73a728d6b372166659909fd24e
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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/2608-123-0x000000000B4D0000-0x000000000B77B000-memory.dmpFilesize
2.7MB