Analysis
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max time kernel
144s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-03-2024 11:56
Behavioral task
behavioral1
Sample
b8ae2dcc097031f78f77d061f3139e11.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b8ae2dcc097031f78f77d061f3139e11.pdf
Resource
win10v2004-20240226-en
General
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Target
b8ae2dcc097031f78f77d061f3139e11.pdf
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Size
85KB
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MD5
b8ae2dcc097031f78f77d061f3139e11
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SHA1
f35e86dace048f24ba06e83341ff3fb082e7dfba
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SHA256
a349aa8bbfff3ed5807d694c289aa4ab677caf0e04232d943c3173fb524ad5d5
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SHA512
4c73cd8ac00f7c64ae217307f890e9f7d1893343aea2860a4cf1cda6ff82eafe31c9be15989776613c6018d3d82c65d660d3f41bdfe18cba830bfd9b3c5c87d7
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SSDEEP
1536:04+XJj/CG/DaYiY7jnPAyidxsSnv0GbBjkWO3aRWDviSgZGZPWOpOaZOQfMzeMP+:l+XV/C2aYN7LA3kSnlZkWO3PviSg8Zgc
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3348 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe 3348 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3348 wrote to memory of 3028 3348 AcroRd32.exe 104 PID 3348 wrote to memory of 3028 3348 AcroRd32.exe 104 PID 3348 wrote to memory of 3028 3348 AcroRd32.exe 104 PID 3348 wrote to memory of 2644 3348 AcroRd32.exe 107 PID 3348 wrote to memory of 2644 3348 AcroRd32.exe 107 PID 3348 wrote to memory of 2644 3348 AcroRd32.exe 107 PID 3348 wrote to memory of 4312 3348 AcroRd32.exe 109 PID 3348 wrote to memory of 4312 3348 AcroRd32.exe 109 PID 3348 wrote to memory of 4312 3348 AcroRd32.exe 109 PID 3348 wrote to memory of 492 3348 AcroRd32.exe 111 PID 3348 wrote to memory of 492 3348 AcroRd32.exe 111 PID 3348 wrote to memory of 492 3348 AcroRd32.exe 111 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 1996 492 RdrCEF.exe 112 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113 PID 492 wrote to memory of 928 492 RdrCEF.exe 113
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\b8ae2dcc097031f78f77d061f3139e11.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:3348 -
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⤵PID:3028
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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" --backgroundcolor=165140432⤵PID:2644
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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" --backgroundcolor=165140432⤵PID:4312
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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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:492 -
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=E9DD4440F7BA9FC0399C1DB9E1C4209B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1996
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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=197CAC307CD3FEA715E50F582650AD33 --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=197CAC307CD3FEA715E50F582650AD33 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:928
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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=C83695261892B55622A97B1A768505DB --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=C83695261892B55622A97B1A768505DB --renderer-client-id=4 --mojo-platform-channel-handle=2128 --allow-no-sandbox-job /prefetch:13⤵PID:2944
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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=60E29A1491FDE53AA044E2435D6C142C --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5228
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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=2C6B8DE49DEAD5CA5C0053B9C2FC84C1 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5336
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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=FCA6FD9055BD44C27F495019727CEDF4 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5424
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5168
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3956 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵PID:6000
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5c2f951dbb4b98be71a618f3175178fc4
SHA1d7bfd37a777e40020e44aa36be2673da99ad4e9b
SHA256ad679814eae830d02a98353f6ba9532b4db79cb9f80e6caa4f51f489aa77e41a
SHA5123b7e9974c99155bfd89d3ae8c19182df36d60b3752b79ce1b23ea65aa50c9202b189f1ae1c29ff5e58c998408da61679b4229a6607b38ba4784abe377f1a828a
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Filesize
64KB
MD57c8dcd339df23c2fbb1f20c14df60761
SHA144212a4e1b4d1b199849065d0111ccb3e8b80361
SHA256685af69c1cbd3369142060568e14290215263d69f999cdd38066e86fee5a1879
SHA512d4aa876d897bcc226ee6638a0bbbe955a6fbf31806e6cfb4deb85d519b965552a2b128df0be0529e8090a7fd5cd323b78e3dad4cd0b0bcb35644da2ac471e981
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5