Analysis
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max time kernel
159s -
max time network
169s -
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 20:33
Behavioral task
behavioral1
Sample
c98e34cc74e22584a77e26c406230cb3.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c98e34cc74e22584a77e26c406230cb3.pdf
Resource
win10v2004-20240226-en
General
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Target
c98e34cc74e22584a77e26c406230cb3.pdf
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Size
14KB
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MD5
c98e34cc74e22584a77e26c406230cb3
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SHA1
09452049efe9a58e8bd3ce8c0f62c5d961709cef
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SHA256
9b013f1db8df3f7f6e9efc92b8c3e44ee916e86bcbe031dc33f45df0c35b77d2
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SHA512
63ceb3876dab2a906e420ef5e7af02333700265fcbf1542864604e52f3471305df47d28739981fdedcc12187323ac4800e5a1430e7f3a3f45443965e27aac2da
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SSDEEP
384:lhza9wAO9Gi5f0vsy0xSag2Qi/60G7BoG3Kr:j7ZGi5fQsy0xSyQC6dBvi
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 24 IoCs
pid Process 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4988 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe 4988 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4988 wrote to memory of 5092 4988 AcroRd32.exe 109 PID 4988 wrote to memory of 5092 4988 AcroRd32.exe 109 PID 4988 wrote to memory of 5092 4988 AcroRd32.exe 109 PID 4988 wrote to memory of 4168 4988 AcroRd32.exe 110 PID 4988 wrote to memory of 4168 4988 AcroRd32.exe 110 PID 4988 wrote to memory of 4168 4988 AcroRd32.exe 110 PID 4988 wrote to memory of 4484 4988 AcroRd32.exe 111 PID 4988 wrote to memory of 4484 4988 AcroRd32.exe 111 PID 4988 wrote to memory of 4484 4988 AcroRd32.exe 111 PID 4988 wrote to memory of 2904 4988 AcroRd32.exe 112 PID 4988 wrote to memory of 2904 4988 AcroRd32.exe 112 PID 4988 wrote to memory of 2904 4988 AcroRd32.exe 112 PID 4988 wrote to memory of 180 4988 AcroRd32.exe 113 PID 4988 wrote to memory of 180 4988 AcroRd32.exe 113 PID 4988 wrote to memory of 180 4988 AcroRd32.exe 113 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 660 180 RdrCEF.exe 115 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116 PID 180 wrote to memory of 3568 180 RdrCEF.exe 116
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\c98e34cc74e22584a77e26c406230cb3.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:4988 -
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:5092
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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:4168
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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:4484
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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:2904
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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
PID:180 -
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=EF1F5747D48EE384CDC5C1C23AA5A6A0 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:660
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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=62D3D9E57DE7F3A2A24830BA0DC3AD6E --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=62D3D9E57DE7F3A2A24830BA0DC3AD6E --renderer-client-id=2 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job /prefetch:13⤵PID:3568
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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=A931873F6749033CBEE04AE471865494 --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=A931873F6749033CBEE04AE471865494 --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:13⤵PID:1132
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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=F7D61A388A33A3FF1E528D0B3BBECF01 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4916
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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=CCF7B74905F702EF33F2B9638211E6B1 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1956
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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=01F63ECE6A8805D185F146EEF9D94F78 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4212
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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=3692 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:1412
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1368
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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
64KB
MD5c2f951dbb4b98be71a618f3175178fc4
SHA1d7bfd37a777e40020e44aa36be2673da99ad4e9b
SHA256ad679814eae830d02a98353f6ba9532b4db79cb9f80e6caa4f51f489aa77e41a
SHA5123b7e9974c99155bfd89d3ae8c19182df36d60b3752b79ce1b23ea65aa50c9202b189f1ae1c29ff5e58c998408da61679b4229a6607b38ba4784abe377f1a828a
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Filesize
64KB
MD5ee4d8ceb42d91852d31b17da2bb29025
SHA1f513683ead6d41744f6beeaddf01c5c6ff19533d
SHA256878df33c915092c66dbdf9ed0ce2ef1ca7498bfe7bb4a24c667995fd634ccf7e
SHA512de365d95329ecffefbd5e4f3649c468eed066484340024b838206c66df207699b3061917399a36f790fabbfba2cdb3b9092cfb363ca9bdbfe9d86b0dc80e4847