Analysis
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max time kernel
143s -
max time network
158s -
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 17:05
Behavioral task
behavioral1
Sample
c926db4c9827453b25214bdd4617f18c.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c926db4c9827453b25214bdd4617f18c.pdf
Resource
win10v2004-20240226-en
General
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Target
c926db4c9827453b25214bdd4617f18c.pdf
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Size
83KB
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MD5
c926db4c9827453b25214bdd4617f18c
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SHA1
1fa972429f1f628e1d1e647df68c82e473c962fd
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SHA256
a68837e0f55d70c2f788b7cfae6d2582f0caea71489776b9904023340f544249
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SHA512
5ffe2ada0efaaa6424edca1495794df33a5549426ef08efc7f10c156326cb7b4b8fe506251ed76f3c87833963a609c101da3a6386c185672b0ec3c0a6c145bf2
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SSDEEP
1536:uf2W5k7wcSFaPYlG11XxenbBL0UbKLq4qrCWIAgmLWV235FP759tflmkJ1WApO6g:3wc7PYQ1XxKBLteqX6g+235FP7xl7M6g
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 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 232 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe 232 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 232 wrote to memory of 4276 232 AcroRd32.exe 104 PID 232 wrote to memory of 4276 232 AcroRd32.exe 104 PID 232 wrote to memory of 4276 232 AcroRd32.exe 104 PID 232 wrote to memory of 4604 232 AcroRd32.exe 108 PID 232 wrote to memory of 4604 232 AcroRd32.exe 108 PID 232 wrote to memory of 4604 232 AcroRd32.exe 108 PID 232 wrote to memory of 2900 232 AcroRd32.exe 110 PID 232 wrote to memory of 2900 232 AcroRd32.exe 110 PID 232 wrote to memory of 2900 232 AcroRd32.exe 110 PID 232 wrote to memory of 2588 232 AcroRd32.exe 111 PID 232 wrote to memory of 2588 232 AcroRd32.exe 111 PID 232 wrote to memory of 2588 232 AcroRd32.exe 111 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 1116 2588 RdrCEF.exe 112 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113 PID 2588 wrote to memory of 4372 2588 RdrCEF.exe 113
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\c926db4c9827453b25214bdd4617f18c.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:232 -
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:4276
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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:4604
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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:2900
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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:2588 -
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=424C2A6CAAADAACAFFD37B072FFF08AE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1116
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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=3FDDC37CF0B10EFBE67310E2E0BC0CCA --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=3FDDC37CF0B10EFBE67310E2E0BC0CCA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:4372
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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=1FB465772DEE43CCF8A930BF234AD27C --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=1FB465772DEE43CCF8A930BF234AD27C --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:13⤵PID:1120
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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=360BDC07E7DB5BF3FD534A55F5951946 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5136
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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=19A4ED29095F8F95A0BE2138D68948C6 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5236
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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=7E075808C65D15B5D3EE3110A7CDAE6B --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5340
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2672
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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=3740 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵PID:5884
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5880ce0bbc7419b73b6da244301b47abf
SHA1fc90ecab7307052671231bbcc314a4d042eb0a84
SHA2561a594feb69f5b36c6c4553d45be7aada7dd8dd10cb9712603a7aac2d32316fd7
SHA512d81afeee95583662d07cd68184c37f01d77444f92b5f8a0ab19f61555f294fbdfe6e7501dfbf5c90ea156b73b80f2d3cfb68379db77aadeefb268888a1aed6c7
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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
MD5d5fd2a3920d62cc2c25710dbf06550f8
SHA12618e9959871e6b5a86584e88f34408a6f901601
SHA2566432812058d6d82b0c09ba507a28e197d451ded8385756841a23d1a59c73a5a6
SHA512beaa44d084c645f3cb43738ffd79483d2fd0ed6408e29e2f5bd1999456863579f40c0507196f84705055cc0d767736ed89f4da58dd9940ae2d36f698b44bd755