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Analysis
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max time kernel
142s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2024, 10:52
Behavioral task
behavioral1
Sample
89539014a87baaf30db0b35951af7046.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
89539014a87baaf30db0b35951af7046.pdf
Resource
win10v2004-20231222-en
General
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Target
89539014a87baaf30db0b35951af7046.pdf
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Size
45KB
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MD5
89539014a87baaf30db0b35951af7046
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SHA1
e5c8428b6c1e0e32fbaa36c29ceabb8fe1d11b69
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SHA256
db6e87a23e10835e9a469f1fbc9dad0404a7bdd64d57fbd8f5059fcae9c38a9f
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SHA512
5044ef63a2d50b5a2db18cb4cfab95cc2e61ef910be938e2043e6dde08eee33c90efca0ac0e431bb125b67828cd63544b5c07b5aa9880d436110be735ebf42f6
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SSDEEP
768:XcmvJH+LM8e0anqfplz6MfDGS8raPLliq1VrSRIUb8XHK7klpiEW7j:XLUPsk98mpiq1VSRIo8XHKupiEW7j
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2336 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe 2336 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2336 wrote to memory of 4804 2336 AcroRd32.exe 91 PID 2336 wrote to memory of 4804 2336 AcroRd32.exe 91 PID 2336 wrote to memory of 4804 2336 AcroRd32.exe 91 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4332 4804 RdrCEF.exe 93 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 RdrCEF.exe 92 PID 4804 wrote to memory of 4084 4804 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\89539014a87baaf30db0b35951af7046.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:2336 -
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:4804 -
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=DCE54EA853112D31D83CA2807BDF104A --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=DCE54EA853112D31D83CA2807BDF104A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:4084
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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=97D062CD3E561B1F747A2F83F036FA20 --mojo-platform-channel-handle=1748 --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=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=2CD2DD5A6C2CB3F5EC549BA37C845738 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3084
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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=EBEE80DBCF4AA2F424420CD7F358C06F --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:628
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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=19E45EF20821422B52AE21F3ABAED1D1 --mojo-platform-channel-handle=2336 --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=6FF9DA3F3132EC0A1822130098B0AFE8 --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=6FF9DA3F3132EC0A1822130098B0AFE8 --renderer-client-id=7 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:13⤵PID:5020
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4380
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD517756aa8bb4ab9ec254b13e52929f064
SHA1b91fa515c6d769771a6ffeb18855c8490e2c3332
SHA25692e202c203b93de3bb0e190de50cb062341dad7d8e8a51aaa0d34a7c2e673ec8
SHA51214f8c294ecbebad76fe2302eed72f7903c8e2dea598d4e82a1a4b53253bf2f18cd82f8bc84c367991ed4a0bdc193f49df3d5c3d2f50b9d714bcb5f9fb2d96c27
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5