Analysis
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max time kernel
10s -
max time network
14s -
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 13:10
Behavioral task
behavioral1
Sample
4fca0349edbc98c9c9f06909267adb20c2ea3171d13f07034151608065c05c0c.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4fca0349edbc98c9c9f06909267adb20c2ea3171d13f07034151608065c05c0c.pdf
Resource
win10v2004-20220901-en
General
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Target
4fca0349edbc98c9c9f06909267adb20c2ea3171d13f07034151608065c05c0c.pdf
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Size
10KB
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MD5
9bbc706053d2eb372264c20ff7a00629
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SHA1
b4f13bf5f4174fd7a7c2a52b21309da8da0b33ce
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SHA256
4fca0349edbc98c9c9f06909267adb20c2ea3171d13f07034151608065c05c0c
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SHA512
28d41671e4292b86cd59553dd6a4bfcf1925959325d271ecbfe81331a4a818fe2c6fea8e2207049d20bfe6784568e88827222f095520d3a5495f233fed187ca5
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SSDEEP
192:coGP4B6JJ4CVCnEd4cDfb1WHCv6XAxWjw70LzYCwFi7f1jt8Qxbe1l218ejkWI:coGgBRCV6tcDbQHCv6XAx2x3DwFi7fMP
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3012 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 3012 AcroRd32.exe 3012 AcroRd32.exe 3012 AcroRd32.exe 3012 AcroRd32.exe 3012 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3012 wrote to memory of 3512 3012 AcroRd32.exe RdrCEF.exe PID 3012 wrote to memory of 3512 3012 AcroRd32.exe RdrCEF.exe PID 3012 wrote to memory of 3512 3012 AcroRd32.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 2784 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 RdrCEF.exe RdrCEF.exe PID 3512 wrote to memory of 4640 3512 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\4fca0349edbc98c9c9f06909267adb20c2ea3171d13f07034151608065c05c0c.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=E2C37878CA1F81FBD0813DCAA5135922 --mojo-platform-channel-handle=1744 --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=6D39077764EE2E6329403E21B570222E --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=6D39077764EE2E6329403E21B570222E --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1C4EC4E763F075F683DC461743FE79AB --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=1C4EC4E763F075F683DC461743FE79AB --renderer-client-id=4 --mojo-platform-channel-handle=2176 --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=C04FF827F3DD62FF34B7B7FE431FA5A1 --mojo-platform-channel-handle=2548 --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=4AFFB30985FECDA609E5F621B34A1C6C --mojo-platform-channel-handle=1964 --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=66DA4CF4730AC32764F08364E28B4F6F --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1868-150-0x0000000000000000-mapping.dmp
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memory/2784-134-0x0000000000000000-mapping.dmp
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memory/3512-132-0x0000000000000000-mapping.dmp
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memory/3860-142-0x0000000000000000-mapping.dmp
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memory/3872-147-0x0000000000000000-mapping.dmp
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memory/4640-137-0x0000000000000000-mapping.dmp
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memory/4960-153-0x0000000000000000-mapping.dmp