Analysis
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max time kernel
157s -
max time network
160s -
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 14:33
Behavioral task
behavioral1
Sample
39f9efb0fa6fe848b42975c7e9ecfa54.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
39f9efb0fa6fe848b42975c7e9ecfa54.pdf
Resource
win10v2004-20231215-en
General
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Target
39f9efb0fa6fe848b42975c7e9ecfa54.pdf
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Size
80KB
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MD5
39f9efb0fa6fe848b42975c7e9ecfa54
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SHA1
5374a82318cd4255b9c0cdd7ce14029724be6baa
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SHA256
6bfe38322156a78245d85009900553353ce12acccbb9b257b549cf35d9b3199e
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SHA512
181f3b97be0a7bbd518622f8d3234b3a21404f066ea76a26bf1f58d31ba65f68c5bfa046961183513026bbfde50e422792175d91c6e8f79b93c71913c87a1690
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SSDEEP
1536:CWBcaZA1yP82zSDMzvf8NNZdJB1fIgWypOlWWxdVWLUa7G9DHBqea:lBlZ4y022DMz6ZB1QBlDHW77G1h8
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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2712 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe 2712 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2712 wrote to memory of 4860 2712 AcroRd32.exe 97 PID 2712 wrote to memory of 4860 2712 AcroRd32.exe 97 PID 2712 wrote to memory of 4860 2712 AcroRd32.exe 97 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 612 4860 RdrCEF.exe 100 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101 PID 4860 wrote to memory of 2848 4860 RdrCEF.exe 101
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\39f9efb0fa6fe848b42975c7e9ecfa54.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:2712 -
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:4860 -
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=7F6F9B698656AD8F170DBADD2A9B0D92 --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=7F6F9B698656AD8F170DBADD2A9B0D92 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:612
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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=4A7E0D2D9A1FB7DA524D04B7664044A7 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2848
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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=5C0E326D9E0150571FCFEA48B05C3A66 --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=5C0E326D9E0150571FCFEA48B05C3A66 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:13⤵PID:4980
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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=1B410344A24D837CC32F8F1D24F874B1 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3188
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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=5F32A2AAA876BB4BD72B516BF7B7D34A --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1924
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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=5498A0C523E9E37EF2A13ACA42C99FE7 --mojo-platform-channel-handle=2080 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1588
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5084
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD58cd11d121c26c78f16aa9bf29ab96313
SHA197b3f21b0070449b6c92e81a230a4ad3812b8f87
SHA2566cc960b038e803c9cb0a1ffd0b6d5392a4e8e9771a4e4626054c17e7e1a76722
SHA5127ee0a524573ed9b6f7bad8facb6dac6c35f014161b549c89b569acef7372d5d8a0788e0dfd9d2c338ead3359e75d68df46f59f188834f2e42cbe8cd74d266096
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5