Resubmissions
06-12-2024 10:33
241206-mlpwbssrct 1006-12-2024 10:28
241206-mh1tessqbs 806-12-2024 02:25
241206-cwfeja1mgn 3Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 02:25
Behavioral task
behavioral1
Sample
38f8f20eae06e575938ffbeb64e31c9310e8c0ab50a2bc231f3aa9777abc3dbc.pdf
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
38f8f20eae06e575938ffbeb64e31c9310e8c0ab50a2bc231f3aa9777abc3dbc.pdf
Resource
win10v2004-20241007-en
General
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Target
38f8f20eae06e575938ffbeb64e31c9310e8c0ab50a2bc231f3aa9777abc3dbc.pdf
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Size
16KB
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MD5
e51378e49d1aa79ce88c018d748a186c
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SHA1
d2e31a96af911a0cf932ec860ce839e254fbd5c8
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SHA256
38f8f20eae06e575938ffbeb64e31c9310e8c0ab50a2bc231f3aa9777abc3dbc
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SHA512
0f28b75712bcc9307e8bfe0b9c692cf1f582c957a718dde3eed7485c4e050075ef45ad49f57ade1536ac6b4c6418a26656318bc630156936892fd2c999fa0604
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SSDEEP
384:9q3MsrhjEN4gQ3micNexY27IEPCUSkSaHTeOHAgJlATCUSN:9q3prh04d2aFU2dHTDHv62
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4000 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe 4000 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4000 wrote to memory of 1664 4000 AcroRd32.exe 82 PID 4000 wrote to memory of 1664 4000 AcroRd32.exe 82 PID 4000 wrote to memory of 1664 4000 AcroRd32.exe 82 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 3548 1664 RdrCEF.exe 83 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84 PID 1664 wrote to memory of 5096 1664 RdrCEF.exe 84
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\38f8f20eae06e575938ffbeb64e31c9310e8c0ab50a2bc231f3aa9777abc3dbc.pdf"1⤵
- System Location Discovery: System Language Discovery
- 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:4000 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1664 -
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=C710A5880DA0CC83EAD8EAECB9DECB8C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3548
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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=3D0E5D680546F74E9A6C1CF7F83BB89E --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=3D0E5D680546F74E9A6C1CF7F83BB89E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5096
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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=52F0CEB881B9E00AAC1C91B37BE9BBC3 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1304
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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=E5B545E5321DBAF48598F405B62E5E11 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2076
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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=A1425D840E873DB364A080ED7054FCC1 --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=A1425D840E873DB364A080ED7054FCC1 --renderer-client-id=6 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2968
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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=F3B8D5BF984B37231923378D32321B34 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4176
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4184
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5cd6807472ffd76fdf62c48bf59e27da7
SHA1fbc3070f729df2a8020b9aaebc8ddb5257fd8961
SHA256bc1c51cae84c669dd461aeed11710b63cd83effc8326a7a23554eb92fce60498
SHA5129cd066c0b0c83e04a872652d49259c71204bc0b0078913b5e2911d7e796701d13ba3a890b6d5028c870be9ce8ac4000f272c646775bd834591fabbd39054f255
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5