Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2024, 16:46
Behavioral task
behavioral1
Sample
8a06b948c21c49f6dad1c77ce85b9188.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8a06b948c21c49f6dad1c77ce85b9188.pdf
Resource
win10v2004-20231222-en
General
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Target
8a06b948c21c49f6dad1c77ce85b9188.pdf
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Size
34KB
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MD5
8a06b948c21c49f6dad1c77ce85b9188
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SHA1
83d422c5f93f0417dc8231edf21b74bea5e5ca6d
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SHA256
2050987e963916871d129d29cc1bdd706d069891370bcc559d243e6852bd4d11
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SHA512
2dfaff1a24e6fd0b1dd5490dc13c2fd881f65daba99d67d8efdc01018279cd28d275cd8cd5493aa3d2a3cdf045af2866535334dec45d6fd64b76409f1a208a9f
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SSDEEP
768:KCZ1Oi/gmSp3ftCPBJ+rKbfNKe3ettcSuC/fF:fZgZvFCPRbfuXdfF
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 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2492 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe 2492 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2492 wrote to memory of 5028 2492 AcroRd32.exe 91 PID 2492 wrote to memory of 5028 2492 AcroRd32.exe 91 PID 2492 wrote to memory of 5028 2492 AcroRd32.exe 91 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 920 5028 RdrCEF.exe 94 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 RdrCEF.exe 95 PID 5028 wrote to memory of 836 5028 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\8a06b948c21c49f6dad1c77ce85b9188.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:2492 -
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:5028 -
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=9ECF90193F06D5590E22CFF57F5C020E --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:920
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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=6D147FA6D9C43CD718E38BFF55CB6C03 --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=6D147FA6D9C43CD718E38BFF55CB6C03 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:836
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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=37B3AB7C89BA755C433493DB4AC57292 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1688
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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=BEE6DD0B3229C59358F0F517A897E121 --mojo-platform-channel-handle=2412 --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=46027A36E873B9D2E6F32B90C85D09EA --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=46027A36E873B9D2E6F32B90C85D09EA --renderer-client-id=6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:13⤵PID:1556
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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=12607224598CCC1196566C1227A9EA8C --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2552
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4344
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5a34c707ffef5fd3448d97c6918931d6f
SHA16161103465059d9a2499cf81ce99f9c88b384409
SHA256a249cd92a87eb9385b9d8f4bb7de98520d6e1472f9d985d60bcf251df611bfdd
SHA5129fd71921949cb131a5b2a266cb77c5edbfa21659456ebda456cfd0f5989956b505992e3949e744356c39174a2008697760329cb98c9e8791e52af805a7139867
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5