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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
25/02/2024, 09:16
Behavioral task
behavioral1
Sample
a36a4b336b2ef1e4945a37b7d4ec64fd.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a36a4b336b2ef1e4945a37b7d4ec64fd.pdf
Resource
win10v2004-20240221-en
General
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Target
a36a4b336b2ef1e4945a37b7d4ec64fd.pdf
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Size
85KB
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MD5
a36a4b336b2ef1e4945a37b7d4ec64fd
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SHA1
8a2511a13ca9b6d63270b68da9ffb819aa2538a9
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SHA256
035f0941121120b6d017aca9bdde3e39b59b60ca4584ff5142359811a5a9554f
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SHA512
cfba1787c4c7e3205ebe93b3882a147a4e098271955a533cece6bfdda44ccac2e1d39768620abd11320d34da06a0e82d04faadd126c993b102ab0d431075670d
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SSDEEP
1536:pckR9GWjLhU0tdUXE0mnVMRlqXlkryffEAiXXRIH2AWXDO6O8mWQpOCXxn:+ae0tdt0VRlIkWffEzKWvi6O8ZCt
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-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4260 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe 4260 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4260 wrote to memory of 3760 4260 AcroRd32.exe 87 PID 4260 wrote to memory of 3760 4260 AcroRd32.exe 87 PID 4260 wrote to memory of 3760 4260 AcroRd32.exe 87 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 1408 3760 RdrCEF.exe 88 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89 PID 3760 wrote to memory of 2532 3760 RdrCEF.exe 89
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\a36a4b336b2ef1e4945a37b7d4ec64fd.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:4260 -
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:3760 -
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=4340A6710D7F7B7C13EC8055A88D7A38 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1408
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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=7F634BB7E6FDDC0F5226C46E39D59BA6 --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=7F634BB7E6FDDC0F5226C46E39D59BA6 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:2532
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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=5544E5C81BF92862BF95B526E0B42B92 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:556
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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=E660DD2BF1A7718AC2801A2AC00DA740 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4756
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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=257E57AC966998B0835E05B7E761F10C --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4752
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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=19E4C0B83FED04B177FE257CADD1BD68 --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=19E4C0B83FED04B177FE257CADD1BD68 --renderer-client-id=7 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:13⤵PID:1420
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5086e24a268307187ac78122aa3c86d29
SHA114f756be64de5f20ad93e3a9d1f759c188822036
SHA256e74c5c496e709049644590a2732be9cc61492123d61e7356c0de79050a6fb9bc
SHA512a6611402c7d8b1445c617ba977c8fba3f0d5db122c874a9358f1c8912e7594a8bc334bbf8d62796a5a2522db26fc377ea2287c4a3a8dfbd63ef7d835c7cb9a84
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5