Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-09-2024 13:25
Behavioral task
behavioral1
Sample
23fc231f09c45b71fbce294cd48d0f6b2590ed032ada0792f2419e7c7af7d95d.pdf
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
23fc231f09c45b71fbce294cd48d0f6b2590ed032ada0792f2419e7c7af7d95d.pdf
Resource
win10v2004-20240802-en
General
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Target
23fc231f09c45b71fbce294cd48d0f6b2590ed032ada0792f2419e7c7af7d95d.pdf
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Size
85KB
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MD5
f6d79c432e8c0787451df4e807c2bf77
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SHA1
c7a384f359bf35fdaa4f6fa87176e967d342315c
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SHA256
23fc231f09c45b71fbce294cd48d0f6b2590ed032ada0792f2419e7c7af7d95d
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SHA512
82f1a120f4720ae3ab3902f5d9651505c6f66d0908d8664c8ea20a8d27ad0e0a37961d9fa1dc5b1740aace23cfabdeca32c82f3d4f98fbb2a9168bf96ed1c062
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SSDEEP
1536:VfSkf3ZSewQ06XhhzAvXuxh/pvJsR4pJcL/OdxmOgyWGnHVM8PRWepOicXna:pSC30ewj6XhhzAv+xhxvJTv+mqc1duiz
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 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 -
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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3652 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3652 wrote to memory of 2556 3652 AcroRd32.exe 89 PID 3652 wrote to memory of 2556 3652 AcroRd32.exe 89 PID 3652 wrote to memory of 2556 3652 AcroRd32.exe 89 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 3348 2556 RdrCEF.exe 92 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93 PID 2556 wrote to memory of 4376 2556 RdrCEF.exe 93
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\23fc231f09c45b71fbce294cd48d0f6b2590ed032ada0792f2419e7c7af7d95d.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:3652 -
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:2556 -
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=B9B82E6C0ECE7C81857D22403DE7FCF7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3348
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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=22C669960E70D54085409979D55BEE48 --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=22C669960E70D54085409979D55BEE48 --renderer-client-id=2 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4376
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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=6BFEE99F1005F21F9BEB3797AB4F696E --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5072
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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=BFF16E6FA1BC97FCAC14C8A88CA436E7 --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=BFF16E6FA1BC97FCAC14C8A88CA436E7 --renderer-client-id=5 --mojo-platform-channel-handle=1792 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1068
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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=006BD61B3F74AD339DD06C3BEE1B4F1B --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1084
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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=D480F2012E4CC6D2268011D8616D0490 --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:568
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3388
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD58aba24ccda4b8e88fc79ac0a81843a78
SHA12f6eb3aa2a37855bbc67c8fbfd0a61aa0990687d
SHA256e99ff715c73f8c95c4a3e282fe9e625d4718874e2acfd18a5c9d8fba9fcd25fc
SHA51289a1dc71894872321100855a311fa967e3f16e09f12e9b79ff1204fb8722bfd041420a7950354db951a73606e62cea82e641a7f7814c49caff031764dfae9f3d
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5