Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2024, 04:13
Behavioral task
behavioral1
Sample
4a689396a047037af8d2499d409b7369.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4a689396a047037af8d2499d409b7369.pdf
Resource
win10v2004-20231222-en
General
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Target
4a689396a047037af8d2499d409b7369.pdf
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Size
88KB
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MD5
4a689396a047037af8d2499d409b7369
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SHA1
b136f6d97bef2ac717f26ae3b9617fa8937f2aed
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SHA256
9e14abfbd126e7f56384281cbcb033e3b3013d89f64f0f81b17cbe10c9f34959
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SHA512
838d0a6c5f48f048857196dedf9992d00ea3a99222bb81d62b093dc139870be96f6356c4109edd9cb45ee139bc067914806176170b670cf2b43a83391ece880f
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SSDEEP
1536:2wRsbarpAX66st/zJWz4nEzXhaAZsMM2S0/s6N7jOvFLoJ1zlr+xcbQojnobFzSM:DsbadAq6shJWJ8AjS0/nNtJ11+xcUoju
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4028 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe 4028 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4028 wrote to memory of 4596 4028 AcroRd32.exe 91 PID 4028 wrote to memory of 4596 4028 AcroRd32.exe 91 PID 4028 wrote to memory of 4596 4028 AcroRd32.exe 91 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 660 4596 RdrCEF.exe 93 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92 PID 4596 wrote to memory of 3856 4596 RdrCEF.exe 92
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\4a689396a047037af8d2499d409b7369.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:4028 -
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:4596 -
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=6A438A64C94995F60902BE33030A9E84 --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=6A438A64C94995F60902BE33030A9E84 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:3856
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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=7BB1023392748EB1763DBDB2B8D5D2C3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:660
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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=16964279E2D333CFF58BD872CAC48065 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1812
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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=1F8575956161B901784F2967643569F9 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2696
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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=EE89A58892B8142A132CAC486E902DB7 --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=EE89A58892B8142A132CAC486E902DB7 --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:4412
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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=02A784F39458AD45A7D60B51EFDF4398 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4260
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5720124d246638d91cdcba6d943bf8fef
SHA18a6db70bff6fa1976d225e955bb24c71eb7dae9a
SHA2569f49629f4b361506e025055133a47d9e34b3aeb56d5e3a6fddef7f4e43e758eb
SHA512a9fda79420351e3e14544fd521050cde5b620a2ff2ca396929712834d34d136ddc260a2758688a38b67b1ea737020435234d76a1e97b2f6c3bc76cd587170895
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5