Analysis
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max time kernel
10s -
max time network
12s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2022 12:11
Behavioral task
behavioral1
Sample
9989335f28a8d256d5bf09492b4d025e017f0487756c737ecc7973bf5939a33f.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
9989335f28a8d256d5bf09492b4d025e017f0487756c737ecc7973bf5939a33f.pdf
Resource
win10v2004-20220901-en
General
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Target
9989335f28a8d256d5bf09492b4d025e017f0487756c737ecc7973bf5939a33f.pdf
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Size
550KB
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MD5
f76704df3f9acd9b4f162d64835a786b
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SHA1
1cb72778ffc85325b37d380fb551b6f61c1ed26a
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SHA256
9989335f28a8d256d5bf09492b4d025e017f0487756c737ecc7973bf5939a33f
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SHA512
a26134ef5b7090b63c16d551ae474e3001b399e71cc5673e3e4f47aac4f3c605327f568dbe292268b77c685180470697c62a3d2b6e5ea726ca692a507e9beefd
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SSDEEP
12288:6LX3ak5mT8t3X0ZoYhSa3Mkvmj3YJt7/A8v/T:Sn5mAGPhz3Mk+joJtTA8
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 SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 4960 AcroRd32.exe 4960 AcroRd32.exe 4960 AcroRd32.exe 4960 AcroRd32.exe 4960 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4960 wrote to memory of 1664 4960 AcroRd32.exe RdrCEF.exe PID 4960 wrote to memory of 1664 4960 AcroRd32.exe RdrCEF.exe PID 4960 wrote to memory of 1664 4960 AcroRd32.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 1996 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 RdrCEF.exe RdrCEF.exe PID 1664 wrote to memory of 528 1664 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\9989335f28a8d256d5bf09492b4d025e017f0487756c737ecc7973bf5939a33f.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- 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=EA7163E62A90BACB706FDF02602C0F08 --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=4287DCBBB338976B1FB3B7202EC82512 --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=4287DCBBB338976B1FB3B7202EC82512 --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=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=C70A39EFD81F4C982379F535D809D0EC --mojo-platform-channel-handle=2168 --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=75AA2F212524D543546FD53D6994D881 --mojo-platform-channel-handle=1856 --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=6595FBC9CF46B5C94AA38EBC331E59FE --mojo-platform-channel-handle=2352 --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
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Downloads
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memory/528-137-0x0000000000000000-mapping.dmp
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memory/1664-132-0x0000000000000000-mapping.dmp
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memory/1996-134-0x0000000000000000-mapping.dmp
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memory/3956-148-0x0000000000000000-mapping.dmp
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memory/4328-142-0x0000000000000000-mapping.dmp
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memory/4392-145-0x0000000000000000-mapping.dmp