Analysis
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max time kernel
159s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05-03-2024 23:43
Behavioral task
behavioral1
Sample
b5f494f18d969c89de1d01b03b1740e1.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b5f494f18d969c89de1d01b03b1740e1.pdf
Resource
win10v2004-20240226-en
General
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Target
b5f494f18d969c89de1d01b03b1740e1.pdf
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Size
81KB
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MD5
b5f494f18d969c89de1d01b03b1740e1
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SHA1
210b75ab2e3858bf969b632393088128c7a6f68c
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SHA256
cc5624c7c15555de22ff1a93be8a46ce88bb1904db7fa299aed60cbee4735f77
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SHA512
d2f1b9b37ffe4412c30e172c6bd95c3b1139803de2becac13861966bc9540b0896c1b1d9680efeb63cc50bb4b63badb915acc5abd9f3af25d308d8845f6c4593
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SSDEEP
1536:FcMzmgBrQT20E1QwAL/mGl1M2WDOHtdldWypOlWWxenEhLeeMjmegV2:rL0wQNjmGgjyHtdlmlDeueei0s
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 22 IoCs
pid Process 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1464 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe 1464 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1464 wrote to memory of 1152 1464 AcroRd32.exe 109 PID 1464 wrote to memory of 1152 1464 AcroRd32.exe 109 PID 1464 wrote to memory of 1152 1464 AcroRd32.exe 109 PID 1464 wrote to memory of 4976 1464 AcroRd32.exe 110 PID 1464 wrote to memory of 4976 1464 AcroRd32.exe 110 PID 1464 wrote to memory of 4976 1464 AcroRd32.exe 110 PID 1464 wrote to memory of 1928 1464 AcroRd32.exe 111 PID 1464 wrote to memory of 1928 1464 AcroRd32.exe 111 PID 1464 wrote to memory of 1928 1464 AcroRd32.exe 111 PID 1464 wrote to memory of 2680 1464 AcroRd32.exe 112 PID 1464 wrote to memory of 2680 1464 AcroRd32.exe 112 PID 1464 wrote to memory of 2680 1464 AcroRd32.exe 112 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 2208 1928 RdrCEF.exe 113 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114 PID 1928 wrote to memory of 4500 1928 RdrCEF.exe 114
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\b5f494f18d969c89de1d01b03b1740e1.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:1464 -
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:1152
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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:4976
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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:1928 -
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=E7D18CE23FB53A01800585ECBF782594 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2208
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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=065CF18099C867D960D63C20F97B8BA4 --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=065CF18099C867D960D63C20F97B8BA4 --renderer-client-id=2 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job /prefetch:13⤵PID:4500
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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=4E3729359501AEC226173B9AB23B258E --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=4E3729359501AEC226173B9AB23B258E --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:13⤵PID:1472
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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=65C2FE0E7CF6D5C2645192610F41C613 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3796
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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=E0765CD930687A382764E1CBE06B6EA7 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3332
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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=18A415434A71E36FAB78D1CC44F75378 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3576
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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:2680
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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=2228 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:224
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1452
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5de53f3e473b28e23e629f9b2ef376a0a
SHA15e7aedbbb733dd815ed45f0244396682cfeb0179
SHA256f43c8c98aff864e8ccabf1af7b26d4959655fb2c9593e7d5cd123de9df5b428c
SHA5127cedf99bde60259485c0d4d85cf9c9f8c7704e2f0edd9650570325f626b74c32ce6ddbedaf79ef47201c975aec5f5916e7bdcd32dc4b0b025c5fdff0c71ff590
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e