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Analysis
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max time kernel
142s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2024, 04:50
Behavioral task
behavioral1
Sample
42cd178b1451632d077b278ab2e1158b.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
42cd178b1451632d077b278ab2e1158b.pdf
Resource
win10v2004-20231215-en
General
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Target
42cd178b1451632d077b278ab2e1158b.pdf
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Size
36KB
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MD5
42cd178b1451632d077b278ab2e1158b
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SHA1
7d7bbc3230d6c6fbd9a5239d507495562b3e7fdf
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SHA256
fd63941da7976533a2bd9327e806eea0106b0767fb357bb4d65e2d5ba273d86a
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SHA512
1bdc619c2fa8b7956a9f052a246509f14af53953bc857411533edb6ba2faabbcc89859304e1a811999e2e76db468258e38aab779828804e97c188781af03ed36
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SSDEEP
768:lZJ26ElOwbbQdAxox1B4PkQkR0F1sxNUMthC1Z7gOLwa+tV:DED5fXue5mA2HUMtw1Z7gOca2V
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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1480 wrote to memory of 732 1480 AcroRd32.exe 94 PID 1480 wrote to memory of 732 1480 AcroRd32.exe 94 PID 1480 wrote to memory of 732 1480 AcroRd32.exe 94 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 1416 732 RdrCEF.exe 95 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96 PID 732 wrote to memory of 2224 732 RdrCEF.exe 96
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\42cd178b1451632d077b278ab2e1158b.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1480 -
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:732 -
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=9B9293487C0EADF7AE9187051F6A98F6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1416
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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=A1E4348ACE7A8577A4F311A61A178E60 --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=A1E4348ACE7A8577A4F311A61A178E60 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:2224
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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=9A1C469BA878054DB6744C4BBE7CB115 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3536
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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=85E2D0CB67056D47FCC50418B5B1F1E0 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5008
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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=0710DAC59FC0FBCA104E1A35015A0E3F --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2288
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1688
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD509481eb18c15cd66e2a951c82246850a
SHA182aa338e6b174fbb758de124d5a3c9155bcc692e
SHA2564526006d1813f10d71e8d20a9e758331505634dfc2b8e12eb424db548cce7b91
SHA5122182b8a5e3418ab7f38a25aad897b19c515e28ba6c62ce7508ae5411b7073a5885e7d00853ba5c576cc60acb55dae8eaa8263d630a42753a1bf66e8f032c3589
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5