Analysis
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max time kernel
149s -
max time network
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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 06:30
Behavioral task
behavioral1
Sample
b405cdae5d2a8af8aeb02fc32415c6cb.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b405cdae5d2a8af8aeb02fc32415c6cb.pdf
Resource
win10v2004-20240226-en
General
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Target
b405cdae5d2a8af8aeb02fc32415c6cb.pdf
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Size
89KB
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MD5
b405cdae5d2a8af8aeb02fc32415c6cb
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SHA1
d9d386ecb5442a4f5cda348699707b280f77be91
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SHA256
6806674d36f35db322fd2a8f2d730b5785731fa3084350359e375f91fd6a3b1d
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SHA512
992fa2a5b23a2f0439ce8dfd39fd9d4dc3ca8df4a7d344bab6a5811c2aabeb181d72cefa07ca77d88366fdff78de875ccf110695de82a145a0638ebc4cad2708
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SSDEEP
1536:i0UHSsHbrzJnjqMmzcMQMWnwwyaXYkj8MViyoBwb0N6GtaWN6e2GNPj:lUykJzFMQZnw+Ykj8WLoBLNTt2e2c
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 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3968 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe 3968 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3968 wrote to memory of 3620 3968 AcroRd32.exe 103 PID 3968 wrote to memory of 3620 3968 AcroRd32.exe 103 PID 3968 wrote to memory of 3620 3968 AcroRd32.exe 103 PID 3968 wrote to memory of 4928 3968 AcroRd32.exe 105 PID 3968 wrote to memory of 4928 3968 AcroRd32.exe 105 PID 3968 wrote to memory of 4928 3968 AcroRd32.exe 105 PID 3968 wrote to memory of 1700 3968 AcroRd32.exe 107 PID 3968 wrote to memory of 1700 3968 AcroRd32.exe 107 PID 3968 wrote to memory of 1700 3968 AcroRd32.exe 107 PID 3968 wrote to memory of 4148 3968 AcroRd32.exe 108 PID 3968 wrote to memory of 4148 3968 AcroRd32.exe 108 PID 3968 wrote to memory of 4148 3968 AcroRd32.exe 108 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 1980 1700 RdrCEF.exe 110 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111 PID 1700 wrote to memory of 4064 1700 RdrCEF.exe 111
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\b405cdae5d2a8af8aeb02fc32415c6cb.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:3968 -
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:3620
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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:4928
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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:1700 -
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=54ACBD6BBA8622EED0884E3A1B4741F0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1980
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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=9AD921C60356AF17CCFDD24F0CA6E757 --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=9AD921C60356AF17CCFDD24F0CA6E757 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4064
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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=97EF2C81852BC5526CF6E9E3C59437AD --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5004
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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=24D5058A02A38F92D1735729DA954687 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2616
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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=74061B199970089747E51CB9D18FC767 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2596
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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=14345DECD21475CB1C4108CFCB89438F --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=14345DECD21475CB1C4108CFCB89438F --renderer-client-id=8 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job /prefetch:13⤵PID:2168
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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:4148
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:264
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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=3984 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:2112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5860c85fca2add9c9932a2b3b820e6d20
SHA1e89673a66a28a9e5a8fcdaa8d6127824092f900d
SHA2563ac80eb241260fdf8860adced377d9e602d5805b9df5c8ba07aabc0e0535c7bc
SHA51242c0436303d350d2629cc99897277a1b52aa6fc5968f1a3673aaee5ee06e0ebfca855fa5b826fdff68b8ee342d355d6e844593ff0f795014c6a53b6408141024
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e