Analysis
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max time kernel
31s -
max time network
41s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-10-2024 04:44
Behavioral task
behavioral1
Sample
136b8c4e27e2f88e1990e3f986b4f30e25fa641d49842760b856c4c56e86d1f3N.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
136b8c4e27e2f88e1990e3f986b4f30e25fa641d49842760b856c4c56e86d1f3N.pdf
Resource
win10v2004-20240802-en
Errors
General
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Target
136b8c4e27e2f88e1990e3f986b4f30e25fa641d49842760b856c4c56e86d1f3N.pdf
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Size
321KB
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MD5
9903cdb366727d42f7bc5a65d3daae20
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SHA1
8229b8f5d91f3479b2fa9ca00bd3f6ed9a4f6a1c
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SHA256
136b8c4e27e2f88e1990e3f986b4f30e25fa641d49842760b856c4c56e86d1f3
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SHA512
61421a493aac5bff18da8c18f7af00d811392addb23c6dcb18402b5376fbc87b78ee67c2ba82ee10381af3b79dc5e5c087423e1a4e33e1b7147cba4944579ce8
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SSDEEP
6144:gqgM8VoVykeM+b/iuc+3APWdcLxb2hDTGJFgLGDmRCyaiaaBzGotdIwnsxji7D:z1QoIkeMAcXWdkknGDhaRC4aG6KdIwnR
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 AcroRd32.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 RdrCEF.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 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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2284 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe 2284 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2284 wrote to memory of 3880 2284 AcroRd32.exe 82 PID 2284 wrote to memory of 3880 2284 AcroRd32.exe 82 PID 2284 wrote to memory of 3880 2284 AcroRd32.exe 82 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 1056 3880 RdrCEF.exe 83 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 RdrCEF.exe 84 PID 3880 wrote to memory of 3668 3880 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\136b8c4e27e2f88e1990e3f986b4f30e25fa641d49842760b856c4c56e86d1f3N.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:2284 -
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:3880 -
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=44361D70AE495A8F2DC7EFB3A63D4DE5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1056
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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=C667B3DA68035578DF3C161C94712B8D --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=C667B3DA68035578DF3C161C94712B8D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3668
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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=B0166997FD0518A10C4A501B528ED2A2 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:840
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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=ADB4FE1A6A2D2410BF0636065D3701D7 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1672
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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=78341C7349D98EA7725547258457299D --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1028
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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=E663D2E7DD99D96545395132B13F5021 --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=E663D2E7DD99D96545395132B13F5021 --renderer-client-id=7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2384
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD56f8f0d1e4178f2ba3991ab51c2623360
SHA1370119b4060e275ecab3de7e4af95041d77d3615
SHA2560d5d13fe66f42ab26de2bafe6a5998765a2b7d668bf01285999fd60368410c38
SHA512ea4d4f036fcba8d7a0c67d0a3d595c7f117bf12c79a76f19ab4cb04c6a63bc18a118555478f73e8f66becf4edc2c1e20ad474c80c71d6713303204f49b63b1b6
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5