Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2024 14:28
Behavioral task
behavioral1
Sample
c8d85c882cb221527375ad08f1b78e06.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c8d85c882cb221527375ad08f1b78e06.pdf
Resource
win10v2004-20240226-en
General
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Target
c8d85c882cb221527375ad08f1b78e06.pdf
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Size
84KB
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MD5
c8d85c882cb221527375ad08f1b78e06
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SHA1
f6d937f4499ec3c78ab2350c274169050c9761cb
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SHA256
b469ff09e127c4e83f18fc9e040090760bf5be28e1ad02c3c6ebaec2f3d6c9db
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SHA512
6295622f95ebbc49f7eada813ecf622a83b9fbcaf314089b772e139acbb5f81a3f20552b8ee58019d9572fcf960a937ae61457e1341657c4a75fe8c97756d902
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SSDEEP
1536:moGyP2xdA8v2L80gSqdBUJbOa7pCwOMeDwrevxq56vxd8jYSiIWlcPNEMdEhy6nW:GyUdAEe80gS0u37MtjDwr8q56oUpmGMr
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4080 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe 4080 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4080 wrote to memory of 3668 4080 AcroRd32.exe 97 PID 4080 wrote to memory of 3668 4080 AcroRd32.exe 97 PID 4080 wrote to memory of 3668 4080 AcroRd32.exe 97 PID 4080 wrote to memory of 1992 4080 AcroRd32.exe 98 PID 4080 wrote to memory of 1992 4080 AcroRd32.exe 98 PID 4080 wrote to memory of 1992 4080 AcroRd32.exe 98 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 4456 3668 RdrCEF.exe 103 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104 PID 3668 wrote to memory of 3516 3668 RdrCEF.exe 104
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\c8d85c882cb221527375ad08f1b78e06.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
PID:4080 -
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:3668 -
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=9B74A6E19E0014841C8131EEAF7DB9EF --mojo-platform-channel-handle=1708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4456
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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=9E99922D82F48B843A22E0BB922C83ED --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=9E99922D82F48B843A22E0BB922C83ED --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:3516
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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=193817741449EF4005BE46DAF05C9DE0 --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=193817741449EF4005BE46DAF05C9DE0 --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:13⤵PID:1344
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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=480FFD9377DCE00606DF78C7B7CEFFDC --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1480
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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=062B78C8454CB98FA39EE61690FB6214 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5100
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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=C38ED9F0D2126070DB1AA7BAF2DE3062 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3988
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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⤵PID:1992
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2028
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:5524
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD595d35c8025084cd69a72eff5844f9f4e
SHA178ca6753772c15fa722a6ed874e591bdc948d02c
SHA256c560599d969ad1615ec5707825b8a4f05f29db5df5ca583df092794e78c7343b
SHA512832b8ae9c8c6620c01395cfd5ec52f111ec0fe0bffec0cae3c5758572bc872e182af2788e3bd23065435b2b4efd13fa1ccd366f321f65cc3b8e972449008098c
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
12KB
MD544fbd92874b93c14e77a4460fddf0fac
SHA1d0c998cc10c8a7aa779cd2d11c18f7caca35c219
SHA256ca47c5e406ab45c7b5c02a097ca85d8a59e9608ac0044740dcb90725840c4d40
SHA5128c589dca385a514e0257003a8e0cd0402acd439bf64daeb93f153e1ced8121720a7f7479a5c0fede36ef4812e38f53d881623e0f3e0cb504f82908e468da4901
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Filesize
12KB
MD53f61e4dda4b55c0471df4795f64fdc99
SHA1b3da7f65ede90635508451c0989995d301ee17c4
SHA256b63b1e2ba47f1852d7165fb86f759192d11074b761bd8745e38588d669536d48
SHA51270e895407546787d624f145b85365d48e8d527967b329e30063fda28ea9a0af2d923b9d43695a0a3a9fcae140b6859df725370138ff76f8de3a1a2ce0c8290e1