Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 22:10
Behavioral task
behavioral1
Sample
66a37b95df8fd7dd033fdf303efe2f3ce4879ee41b9de360290dcc755728621d.pdf
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
66a37b95df8fd7dd033fdf303efe2f3ce4879ee41b9de360290dcc755728621d.pdf
Resource
win10v2004-20240508-en
General
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Target
66a37b95df8fd7dd033fdf303efe2f3ce4879ee41b9de360290dcc755728621d.pdf
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Size
808KB
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MD5
7a04506fba11043b7bc504b7cb1d0c12
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SHA1
9ca47339ffe8681a6acb1cca54077d3daf1d4d2f
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SHA256
66a37b95df8fd7dd033fdf303efe2f3ce4879ee41b9de360290dcc755728621d
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SHA512
ba9351227adb9ce664872514d52062f17dfb79da26b707779835d04b63d54c23926137512d4a2d5c515e56059ce0a4fb2a78030adc5a729a02eadd6a29175082
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SSDEEP
24576:6zyGou9Ynv7JWLjGnU8uMKCtL95yYHOlumP:kav7JWLinNuMKC/5fyumP
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3792 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
AcroRd32.exepid process 3792 AcroRd32.exe 3792 AcroRd32.exe 3792 AcroRd32.exe 3792 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3792 wrote to memory of 1412 3792 AcroRd32.exe RdrCEF.exe PID 3792 wrote to memory of 1412 3792 AcroRd32.exe RdrCEF.exe PID 3792 wrote to memory of 1412 3792 AcroRd32.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4508 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe PID 1412 wrote to memory of 4848 1412 RdrCEF.exe RdrCEF.exe
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\66a37b95df8fd7dd033fdf303efe2f3ce4879ee41b9de360290dcc755728621d.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
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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=EED7354818940725E5030C16DE51BAF1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=4AB590ED0760FCB372B216B811C76368 --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=4AB590ED0760FCB372B216B811C76368 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
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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=68BB05DD32EF865C543F2A5FFEDE11B1 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=37A838CFAF7C9ABA2AB92EB150B037E3 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=C74E19C50D1EF93238186A5C720A7F2B --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=C74E19C50D1EF93238186A5C720A7F2B --renderer-client-id=6 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:13⤵
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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=5DD033873F0666A239AE7F063BB2B935 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5