Analysis
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max time kernel
94s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
11/07/2024, 16:00
Behavioral task
behavioral1
Sample
KUA1a.pdf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
KUA1a.pdf
Resource
win10v2004-20240709-en
General
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Target
KUA1a.pdf
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Size
189KB
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MD5
2c8e814def48bca110fc710bdf162099
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SHA1
5e6794405a7a30b65085d3059ada43b9c1603e9a
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SHA256
76d790d4341a1b90372cfb14b3d5b635b5be8b960739182e5ed46b652f0bafc4
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SHA512
614518247ab405a1ab0ac1b1f72dc536d1529ba623d932e794900a6de2ca911c4ce4602593d51f037d10b50dec263d552f7332380e1d75c7fc6cdfbbcd916dfe
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SSDEEP
3072:S4S3H4JyxGOvaMaaxAV2SF2cKo7pouprRdOPVpBg+0JQxa3VKSmkWsmKJDMTL5m1:S4EHmyxiiAV3F2cKrsqa3VKSpRMf5mhH
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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3516 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe 3516 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3516 wrote to memory of 1996 3516 AcroRd32.exe 86 PID 3516 wrote to memory of 1996 3516 AcroRd32.exe 86 PID 3516 wrote to memory of 1996 3516 AcroRd32.exe 86 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 4400 1996 RdrCEF.exe 87 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88 PID 1996 wrote to memory of 3616 1996 RdrCEF.exe 88
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\KUA1a.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:3516 -
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:1996 -
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=32BEC0AB295FCBFE7106694FF990A14B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4400
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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=1045FDDB0E0FA3CDB113E4280C0B92D2 --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=1045FDDB0E0FA3CDB113E4280C0B92D2 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:3616
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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=8B312AC9AC9ABE90529688E1B3AFCA5D --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3800
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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=206FBD81C196FA91FBC1FA9E2BDA0309 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4588
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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=737E08EDE35C64F2CB59EF0EB216B32C --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2264
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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=DACAF368EE14712D8423725F44E7D086 --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=DACAF368EE14712D8423725F44E7D086 --renderer-client-id=8 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:4696
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5941924742cdf1dabc5524011345574ee
SHA115a6176e53e3855f84069bc5aedd4c6fa5a39e20
SHA256529bd70dd17baac0cdc15145bb139ef27c89e23a3ef5d9089ff1bc208ed08774
SHA5123a64016fd8c3b180b3c747999e97a48ae70a5a0367c30877a85d4719cea9786f504ac00ea1937c7fc721ba674fd8de48ece9a51dd34537614504fe3154bf614f
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5