Analysis
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max time kernel
140s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2025, 14:53
Behavioral task
behavioral1
Sample
Morris, Kathleen_1040_Tax Return_2024.pdf
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Morris, Kathleen_1040_Tax Return_2024.pdf
Resource
win10v2004-20250314-en
General
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Target
Morris, Kathleen_1040_Tax Return_2024.pdf
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Size
164KB
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MD5
4b8cf2d4f14a6581e29c40d1956239c5
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SHA1
af769eaeb809f45d86eabbdb0f9e8eac6c606cd2
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SHA256
3f9608565386112c609277319b4354110dc015bbf7ee367a8239903a652b3173
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SHA512
0e540a590680c68919ee4c2643f14401b7ef25e9b3791b5d095f4590817d872d8aa9396630a03ab2397306f693eac0d3b63a6834bb0f312c853bc9d7884ff138
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SSDEEP
3072:Et1rFfigMpxRYL6MSaHEx67547Yv0y2/1gQhAqHLu/UUy9rg+3:E1figOfO6MSu75Fb2NtxuFqrx3
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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5988 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe 5988 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5988 wrote to memory of 5216 5988 AcroRd32.exe 91 PID 5988 wrote to memory of 5216 5988 AcroRd32.exe 91 PID 5988 wrote to memory of 5216 5988 AcroRd32.exe 91 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 4568 5216 RdrCEF.exe 94 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95 PID 5216 wrote to memory of 3528 5216 RdrCEF.exe 95
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\Morris, Kathleen_1040_Tax Return_2024.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:5988 -
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:5216 -
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=985C8D963085F53EEEE3AE4DE3B49631 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4568
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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=174E03FDEAC68AB50951B210BF293723 --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=174E03FDEAC68AB50951B210BF293723 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3528
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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=2FD11231B40F956D441D9CE7668EC964 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4924
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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=62C76C16393CF9BFF1224D93E4CF5034 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2852
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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=9168CD3EF344C251A2F1AC236BF89BC1 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4108
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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=24FDD58A1F71D3E109DEBCBE138A3953 --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=24FDD58A1F71D3E109DEBCBE138A3953 --renderer-client-id=7 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2076
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5dc452276424b36b1608a733821bb6745
SHA1d155e9e57da28dd177ec100ac4f90247a70e0ab2
SHA2562776bca2770b179f37f0d240e3f8308d08626c04bf5ccd211cd6173979312ef5
SHA5127db0e00b8b80318dccc420a7f71c4825962e01cf6b423b98526530b416feabe939c3f8975f76ef615cfdf8f87f353a42e665a291965e5c53cd6bd99eda03fe87
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5