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Analysis
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max time kernel
149s -
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
31/12/2023, 03:02
Behavioral task
behavioral1
Sample
2591b324699cf21539b7b2c48f95c838.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2591b324699cf21539b7b2c48f95c838.pdf
Resource
win10v2004-20231215-en
General
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Target
2591b324699cf21539b7b2c48f95c838.pdf
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Size
34KB
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MD5
2591b324699cf21539b7b2c48f95c838
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SHA1
550dd861a5f6d374fc376e3a847981a018af9f1e
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SHA256
013f986b9a169e2e56f0124b4d7b871d0a6771ca572a8aaf39909927c8af6537
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SHA512
a1fcbf3b418b07f3c691606c4b24f917f5a75c71c4b2fadd728a0ae7642c88167a955bc457381980675ef6d0e8f3fd3514bd5475ff7bf2831ccd930ae440d6c9
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SSDEEP
768:5oFtin2vl9MKJd0AtsP/JkSm9sZLGN/jqg4sVBTS+x:ytiQloTPh0spWjqgxS+x
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 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4004 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4004 wrote to memory of 4528 4004 AcroRd32.exe 93 PID 4004 wrote to memory of 4528 4004 AcroRd32.exe 93 PID 4004 wrote to memory of 4528 4004 AcroRd32.exe 93 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5084 4528 RdrCEF.exe 94 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95 PID 4528 wrote to memory of 5064 4528 RdrCEF.exe 95
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\2591b324699cf21539b7b2c48f95c838.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:4004 -
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:4528 -
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=41A57EC4A5173383AFE736666959A6BC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5084
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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=1EF61E297E2EB9139EF14B4709127BE8 --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=1EF61E297E2EB9139EF14B4709127BE8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:5064
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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=4A6A054D593390B41C56287B060A3E64 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3148
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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=B7772DAA11547ADE39EBE5A85E928037 --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=B7772DAA11547ADE39EBE5A85E928037 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:13⤵PID:3592
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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=40784C4D3182778CD5491467CD163D60 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2100
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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=3E6FB862EEFAA018F1ADADB015FED968 --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:912
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4304
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5f2f98a2b49b3dbf7b115fbf8626755bd
SHA1d655c87aecd822965f8a4aba6a54d4e4e95fcdde
SHA256fda4a754fa8eb8eb06f65ef5420542fe0ce8f05abcb1beb44bae8144bcf655b1
SHA5127fe32b7a55a0b8bff454e5a2e2116f5b0dda471c7a2defd65d23f710f50c72f22a58cb5ec400c7c6e1f6e73c1faf16cba1ce5c25e14e88160b7d0eea1d7adfbe
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5