Analysis
-
max time kernel
149s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
05-07-2024 14:50
Behavioral task
behavioral1
Sample
exit-quiz-answers.pdf
Resource
win10v2004-20240704-en
Behavioral task
behavioral2
Sample
exit-quiz-questions.pdf
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
slide-deck.pptx
Resource
win10v2004-20240704-en
Behavioral task
behavioral4
Sample
worksheet-questions.pdf
Resource
win10v2004-20240704-en
Behavioral task
behavioral5
Sample
worksheet-questions.pptx
Resource
win10v2004-20240704-en
General
-
Target
exit-quiz-questions.pdf
-
Size
411KB
-
MD5
fe12b35cd39922fc1547f1a3c3db6e01
-
SHA1
f0fecd96459a1b5f1c2b6b5bf3df2ecf9b7775db
-
SHA256
5b56f0a3d0a9b9847f1449d653a13b84bc68bf942de656bb198d5216bf63ad5d
-
SHA512
a80021979ee877fabddb661b3dc60dc7fcb2731d483a673b83712cc5ade4fa3c3874614566406ad85bac820f43b71338d653a8450108c15d9ff8fa14ced2bc08
-
SSDEEP
12288:SsWvHNICOgS+idY7xowtBT4ZnkP2ZVgkgA:DWZO3+idY7xtSZQ2wkgA
Malware Config
Signatures
-
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-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2644 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe 2644 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2644 wrote to memory of 3496 2644 AcroRd32.exe 84 PID 2644 wrote to memory of 3496 2644 AcroRd32.exe 84 PID 2644 wrote to memory of 3496 2644 AcroRd32.exe 84 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 2588 3496 RdrCEF.exe 85 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86 PID 3496 wrote to memory of 4440 3496 RdrCEF.exe 86
Processes
-
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\exit-quiz-questions.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:2644 -
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:3496 -
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=B5458094EA3D7A88A912967E615DB039 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2588
-
-
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=7A837F0188E9B034BB5221BDF0DC0721 --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=7A837F0188E9B034BB5221BDF0DC0721 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:4440
-
-
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=9D97D9F6A45D88D622181DA3AD41AA58 --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=9D97D9F6A45D88D622181DA3AD41AA58 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:13⤵PID:5048
-
-
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=E655DCF4D0868DF840E49D48EE98D33E --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5008
-
-
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=3680309F9A7A255AE23E64778363C679 --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4192
-
-
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=9D074B40116AB3BA60D6EEF95C22327B --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3788
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
64KB
MD5ba2f4b694a43fb88ff10953f51c7aedd
SHA1fc355425cf01d8dbbf785f641359f5219bc123a8
SHA256720608f118cbe2cb36d39c1f2bcf53cd7b1d4514f8bb762a2a1ffb5596c5559f
SHA51275cd437877bc376af9774d58c73eb8552512c54580794663246e4bff2b4e9724be1d73412c5f97a1b170cd7533805c7a4830687eeb80a95bdd0672ad0f8c4cfa
-
Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
-
Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5