Analysis
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max time kernel
4s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2023 22:15
Behavioral task
behavioral1
Sample
056165b61f9a0e8f551064fe9d2b6a34.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
056165b61f9a0e8f551064fe9d2b6a34.pdf
Resource
win10v2004-20231215-en
General
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Target
056165b61f9a0e8f551064fe9d2b6a34.pdf
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Size
71KB
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MD5
056165b61f9a0e8f551064fe9d2b6a34
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SHA1
dc71c8a4ac36f50a88109301acc82023fc6084eb
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SHA256
b603434d2637a8c23fab93bdcfa765184d951152d2aff7aecaff920c2be4c916
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SHA512
cf6159148e28cab5f86137a18c62b9d0c6c876b64efba0291ef6418096607d98341c215eb85dbeef6cb2ffca2c7cc705cb6ffec3eb98424995e55ab027c40c01
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SSDEEP
1536:+I7pG2KLWUoDFTn2AiozAjJoMrhcfLi5fCKoMho1vSvR:h5lnTHDmcfLi5fhhmvc
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.
description 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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3656 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3656 AcroRd32.exe 3656 AcroRd32.exe 3656 AcroRd32.exe 3656 AcroRd32.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 3656 wrote to memory of 5024 3656 AcroRd32.exe 94 PID 3656 wrote to memory of 5024 3656 AcroRd32.exe 94 PID 3656 wrote to memory of 5024 3656 AcroRd32.exe 94 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99 PID 5024 wrote to memory of 2820 5024 RdrCEF.exe 99
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\056165b61f9a0e8f551064fe9d2b6a34.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3656 -
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:5024 -
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=B01B71D7D09C86E335259A2FB07A4ECE --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=B01B71D7D09C86E335259A2FB07A4ECE --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:2772
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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=EA8E94B63FEC67C641B072833202EF70 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2820
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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=5F52BE42ADA61CBF5E52A1F452A6E25B --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3820
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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=0614EB8A661990696FEC24913A3E4F43 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2816
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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=D445525FEA8C2829C79B79759B579A4C --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=D445525FEA8C2829C79B79759B579A4C --renderer-client-id=7 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:13⤵PID:3744
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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=90343896353E2EC912344F0AC6086265 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3536
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3752
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD546badd65b95c249351ebdcb12466fa49
SHA10ecbf2f194c787e9054848b0725cd5a9fd88354f
SHA2563a49f15d9db2d64f31e5ddb7271e8cd062031e7f91aa8daab18067219540bdc6
SHA5128623f55475fcd6d5a6af4b651b5f7bbc0bb57dd45f21623c8f7fae28b81c1fd3dc59acf37ca08eec4d92cd83cb35ceb44946ff4131f84f5ed2bc643cf8fffa53
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5