Analysis
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max time kernel
9s -
max time network
15s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2022 11:12
Behavioral task
behavioral1
Sample
39a8c7414bb27147df74195b8c9816d389982e8c73ef6b851aa99282b64bb874.pdf
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
39a8c7414bb27147df74195b8c9816d389982e8c73ef6b851aa99282b64bb874.pdf
Resource
win10v2004-20220901-en
General
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Target
39a8c7414bb27147df74195b8c9816d389982e8c73ef6b851aa99282b64bb874.pdf
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Size
56KB
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MD5
2b8417b069b627c3322b2ebfdda17e90
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SHA1
f2ef273932ba3856fc8cb60c54d9139319321aae
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SHA256
39a8c7414bb27147df74195b8c9816d389982e8c73ef6b851aa99282b64bb874
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SHA512
8fddac3205a1bdceba9712ed91e272806a1dbe10416a0fe45c49f4cf71bd1374f2d83851d3f1e20841705a7302323c2c46fd2864eeebfe5c13cc3fce20dc3ca4
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SSDEEP
1536:bJg6xmCkDIO1jAQ9A7AnT2Ud+sYRkwwMbspANYam:1opYZVKf
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 5012 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 5012 AcroRd32.exe 5012 AcroRd32.exe 5012 AcroRd32.exe 5012 AcroRd32.exe 5012 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 5012 wrote to memory of 4832 5012 AcroRd32.exe RdrCEF.exe PID 5012 wrote to memory of 4832 5012 AcroRd32.exe RdrCEF.exe PID 5012 wrote to memory of 4832 5012 AcroRd32.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3132 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 RdrCEF.exe RdrCEF.exe PID 4832 wrote to memory of 3968 4832 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\39a8c7414bb27147df74195b8c9816d389982e8c73ef6b851aa99282b64bb874.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- 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=3DB4E4079243B584CBA04FC9189E4001 --mojo-platform-channel-handle=1728 --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=7AB907561DCD1079BC34A0BDC6CC71C9 --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=1 --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=7AB907561DCD1079BC34A0BDC6CC71C9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A303F900770F1C57C92497AA98D3EB7C --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=1 --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=A303F900770F1C57C92497AA98D3EB7C --renderer-client-id=4 --mojo-platform-channel-handle=2160 --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=BFA16F14548B1DAEF94114ED1CA04F41 --mojo-platform-channel-handle=2532 --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=AC884CE61DBBB7A91FC1035F4606A1E6 --mojo-platform-channel-handle=2652 --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=79532F704C32A94EB747593232379275 --mojo-platform-channel-handle=2560 --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 v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3132-134-0x0000000000000000-mapping.dmp
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memory/3528-153-0x0000000000000000-mapping.dmp
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memory/3568-150-0x0000000000000000-mapping.dmp
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memory/3968-137-0x0000000000000000-mapping.dmp
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memory/4036-142-0x0000000000000000-mapping.dmp
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memory/4540-147-0x0000000000000000-mapping.dmp
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memory/4832-132-0x0000000000000000-mapping.dmp