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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
30/12/2023, 11:27
Behavioral task
behavioral1
Sample
171e851b44dff6ea3555d3069c78a3a9.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
171e851b44dff6ea3555d3069c78a3a9.pdf
Resource
win10v2004-20231215-en
General
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Target
171e851b44dff6ea3555d3069c78a3a9.pdf
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Size
38KB
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MD5
171e851b44dff6ea3555d3069c78a3a9
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SHA1
ac1f45b792409d609e0480f122ede72e42b72ad9
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SHA256
3bdfa4fef40bbdd0a7f509577b074b94bdd352af37a87326e654e53a1e0a03f8
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SHA512
33005c4f7f8c449d9190e50384ff5f5a34218b8a8d488c30785c1cdb83b49d0b259c416d24ee685a599eb012b8921e854f84bd997dc0b79f35408c177a455477
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SSDEEP
768:k7mfIkaG7Y/ZlUNrbaHQqoODNx2ihJ4+M+YDgiESHnj8L9Cc:LezZCVbjGLDJ+0iESHnj8LQc
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4996 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe 4996 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4996 wrote to memory of 3960 4996 AcroRd32.exe 92 PID 4996 wrote to memory of 3960 4996 AcroRd32.exe 92 PID 4996 wrote to memory of 3960 4996 AcroRd32.exe 92 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 2216 3960 RdrCEF.exe 94 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93 PID 3960 wrote to memory of 1452 3960 RdrCEF.exe 93
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\171e851b44dff6ea3555d3069c78a3a9.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:4996 -
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:3960 -
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=33B0DB86104C21E5C889A040C7E2C535 --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=33B0DB86104C21E5C889A040C7E2C535 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:1452
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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=AB99841F303DEC644DC7E3E6E02BA581 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2216
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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=AE9365F28901954A020DE558C7486611 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1620
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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=27BC494D1064554818E073F933A52D52 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1632
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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=222B8D9A48A820696DF8953830FAD2BD --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1148
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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=8B1E106F6C382E6410213695AB0A6F04 --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=8B1E106F6C382E6410213695AB0A6F04 --renderer-client-id=7 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:13⤵PID:4432
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:928