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Analysis
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max time kernel
13s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 10:50
Behavioral task
behavioral1
Sample
166c9c3a41c783e3f34290e3274c2b34.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
166c9c3a41c783e3f34290e3274c2b34.pdf
Resource
win10v2004-20231215-en
General
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Target
166c9c3a41c783e3f34290e3274c2b34.pdf
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Size
75KB
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MD5
166c9c3a41c783e3f34290e3274c2b34
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SHA1
787db59c1a242e98c9bc132d89990532f1cbcf21
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SHA256
9d00a1bf88bd46cbe034f2a1d4676e332214da3ffd2b9e756a18ec691efdcf8f
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SHA512
b50c1f499e9b4ea3b4a64132dfbb184bba8c169a4390bb4bbaf996a817e7c98558321019f7d9ef5430639164538e8518a9bc40cd96980b7a195375c0be3de101
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SSDEEP
1536:4zJ9BfNXpUT+eHGHZMddK9s4Umf+wvvCMRlkZEy3Sc+RY0DpYZbO9mb:+3fNXCT5G5yaM+tv5ReZEy3Sc+RY8uZz
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4668 wrote to memory of 2220 4668 AcroRd32.exe 91 PID 4668 wrote to memory of 2220 4668 AcroRd32.exe 91 PID 4668 wrote to memory of 2220 4668 AcroRd32.exe 91 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 4392 2220 RdrCEF.exe 99 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98 PID 2220 wrote to memory of 2984 2220 RdrCEF.exe 98
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\166c9c3a41c783e3f34290e3274c2b34.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4668 -
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:2220 -
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=374209C56A206012A728111623FB6F37 --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=374209C56A206012A728111623FB6F37 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:2984
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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=A896204D21D5254241052B7E0D8A2260 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4392
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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=43C7541C77D0C26E84FA44D739EC21F5 --mojo-platform-channel-handle=2260 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2384
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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=2B5E26FDBDBD3BB9C113ED8754244B1C --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3868
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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=09CBE855C4D2747D7BF37FBBBA53EF6C --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3664
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2120