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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 04:41
Behavioral task
behavioral1
Sample
28943010f1828fdcdbaa7fb2ded79af2.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
28943010f1828fdcdbaa7fb2ded79af2.pdf
Resource
win10v2004-20231215-en
General
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Target
28943010f1828fdcdbaa7fb2ded79af2.pdf
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Size
75KB
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MD5
28943010f1828fdcdbaa7fb2ded79af2
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SHA1
4b440ee24fc02ef2a314ab6544d657be30f68809
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SHA256
14237ffee3b1a6deb508cc28cc6bf204e3406fa9ba2c0dc2781d81d1d425d22a
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SHA512
41cc86ed0b18cb1d2f233d3b98deec8288c791f96ba5f08a0392ad96f3560e650e831c5137679e26bfca4f804d7f2d670c375f2be4487a9eac09202881263a47
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SSDEEP
1536:z4ziq05X0petyuF+ZqenmrLu1kODWGpOKCWnK+dmavEkbemsLdfxhZ/:sOT0pet12mrL3OkKhdmavEkbe7VxX
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 432 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe 432 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 432 wrote to memory of 1956 432 AcroRd32.exe 91 PID 432 wrote to memory of 1956 432 AcroRd32.exe 91 PID 432 wrote to memory of 1956 432 AcroRd32.exe 91 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 2696 1956 RdrCEF.exe 93 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92 PID 1956 wrote to memory of 800 1956 RdrCEF.exe 92
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\28943010f1828fdcdbaa7fb2ded79af2.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:432 -
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:1956 -
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=494B1C7C9700B6C8CF37B3AFE68BEC65 --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=494B1C7C9700B6C8CF37B3AFE68BEC65 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:800
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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=843138D08257B139FB7D4DFBBCE648F3 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2696
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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=D9094A53D240CB218343714398FCABF5 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4504
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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=51D2141AEA32C28BC463BD17695362D2 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2796
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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=AA63C942286AF87BF326ACABA51F471E --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=AA63C942286AF87BF326ACABA51F471E --renderer-client-id=7 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:13⤵PID:2072
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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=0771F0BD8D01F260898A198B32BEE895 --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2116
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1608