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Analysis
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max time kernel
145s -
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
04/02/2024, 12:51
Behavioral task
behavioral1
Sample
8f31585c87c2d005686568ec8de51679.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8f31585c87c2d005686568ec8de51679.pdf
Resource
win10v2004-20231215-en
General
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Target
8f31585c87c2d005686568ec8de51679.pdf
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Size
82KB
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MD5
8f31585c87c2d005686568ec8de51679
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SHA1
6c2d10b69c21dd54bf8b6c88c573c42a9bb232c0
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SHA256
88bbce33d556af4131d4c1625eb5d6c43b2cf6b41a76cadd66afd4c33b614e60
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SHA512
3b03f20dfcf4537056477c2add0815bd4258057b28f08f060a7de0ef66984b952578d29fd466878dbd1f534c1bf76e414b6fc84d48f54100bc5a6a02620cea61
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SSDEEP
1536:i6/lMqf6XSVxBpWjcavX2I+m71he/44qZY5x5DGIWyA9N4zINWwpOSmvLZt:bxbBwh21MYwRZ8xxGCAL400SC
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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2588 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe 2588 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2588 wrote to memory of 3400 2588 AcroRd32.exe 87 PID 2588 wrote to memory of 3400 2588 AcroRd32.exe 87 PID 2588 wrote to memory of 3400 2588 AcroRd32.exe 87 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 1172 3400 RdrCEF.exe 90 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91 PID 3400 wrote to memory of 548 3400 RdrCEF.exe 91
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\8f31585c87c2d005686568ec8de51679.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: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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:3400 -
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=EB45FFAFCEB5B8339C671B03F1A7F339 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1172
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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=700A395F9D137669DF7763FD44C5CAE6 --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=700A395F9D137669DF7763FD44C5CAE6 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:548
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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=7A9969A5A0EEA33C4E672F5E4EF44122 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1248
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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=A7BB67B9496B49C808FCF8E959B861E2 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4828
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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=52A5485FDEE82003EFA419A6F72E496C --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=52A5485FDEE82003EFA419A6F72E496C --renderer-client-id=6 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:13⤵PID:4976
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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=E752AAFA86F869ED19732A3072B72B92 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4508
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5add5d51aa35dcf3fe86798ec6f8e4661
SHA136ae612eeb3a5f72ebcbf90142f6643ca6fd3be9
SHA25663f65b2e7b823cbf3f39752284b13a3fbcb17e4c1c0789a4c5269aec81a8e5eb
SHA512d2a371381f2356e11f786dce37153e924a5d1048998628516a3c256fb545dc85954b91e53e33d874e00ee744ff148d7fa8db72d698b1426673205bf429ae8a5b
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5