Analysis
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max time kernel
146s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-03-2024 08:24
Behavioral task
behavioral1
Sample
4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11.pdf
Resource
win10v2004-20240226-en
General
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Target
4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11.pdf
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Size
2.9MB
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MD5
d4f5b98d072f061e4ae41a8fb7c9bf6d
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SHA1
4443abaf018dffb34746b649e3b289c97082e778
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SHA256
4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11
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SHA512
05df53c39122be884130d725f1fee26fc54a5ad3c7b33026a93ff298148eb509460cca32776aa4704f8c8e970970e9f633077f2a3ee1c4c6918282c0aa9b91f1
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SSDEEP
49152:I66fsKpKV8fJTaNeX+2faOrNETjuEH51dYEX+WYvdfzgb1gdu0fl5X/oMlf:IT8ifJTB+8rN4juEH51dvOWGt5du0fQI
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 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4936 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4936 wrote to memory of 4184 4936 AcroRd32.exe 105 PID 4936 wrote to memory of 4184 4936 AcroRd32.exe 105 PID 4936 wrote to memory of 4184 4936 AcroRd32.exe 105 PID 4936 wrote to memory of 1644 4936 AcroRd32.exe 107 PID 4936 wrote to memory of 1644 4936 AcroRd32.exe 107 PID 4936 wrote to memory of 1644 4936 AcroRd32.exe 107 PID 4936 wrote to memory of 708 4936 AcroRd32.exe 109 PID 4936 wrote to memory of 708 4936 AcroRd32.exe 109 PID 4936 wrote to memory of 708 4936 AcroRd32.exe 109 PID 4936 wrote to memory of 1496 4936 AcroRd32.exe 110 PID 4936 wrote to memory of 1496 4936 AcroRd32.exe 110 PID 4936 wrote to memory of 1496 4936 AcroRd32.exe 110 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4332 708 RdrCEF.exe 111 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112 PID 708 wrote to memory of 4484 708 RdrCEF.exe 112
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\4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11.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:4936 -
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:4184
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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:1644
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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:708 -
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=0D416CE736573549953970026B3D1312 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4332
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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=FC5003D6FC9A0A8A38C897C777DBE538 --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=FC5003D6FC9A0A8A38C897C777DBE538 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=ADFA44DD4961EAA4E081FF06B9C54B9B --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=ADFA44DD4961EAA4E081FF06B9C54B9B --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:13⤵PID:3428
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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=3D6E4A8EC59EAFA4CEFEA409C1F696BA --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4232
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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=D425FF585731141132FFC716FD8E44B4 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4148
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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=B8B8FA19A98222C75FA844F7083BA0F3 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2928
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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:1496
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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=3972 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵PID:3204
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5490ec1c46cc6dfd320272c1a1efef86b
SHA1e8f5e271a06877c0d50c1485181ce8b0781025e6
SHA256beff7b8100a4b2667fe1c92c513641339825a966e055b86e1095787ba5ad1bed
SHA5126abc153b72528312e504e89024be55fdc714455b5cb57663a8c634e7f5bc6012ced69698eab72f4091ffe3c26465bd11e46e22ee46cf1057cb920a285b63c689
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e