Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15-03-2024 05:24
Behavioral task
behavioral1
Sample
ca967de34d36b419ae3aeba9873e1766.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ca967de34d36b419ae3aeba9873e1766.pdf
Resource
win10v2004-20240226-en
General
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Target
ca967de34d36b419ae3aeba9873e1766.pdf
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Size
72KB
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MD5
ca967de34d36b419ae3aeba9873e1766
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SHA1
78d909723a37f20a33b64eac7975c9a67460b6e2
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SHA256
a6adaf333807d189a1b0494113fe9cff571e40df6f515acb4635288bf08ef24a
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SHA512
ac78c63c3ecd6f00fff6c1a33747462b4b7a0442f09b3ea1578a64502d65307e392e6267a4544dc17552315432e5d3db7b991c815ab0db89cd3be6bc20b065da
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SSDEEP
1536:cO3W+sJ7U5iLoPIxQX52k2yDxJJBBzz8pLRCqRB73cc8uL:JsJ7EUQsk28ldz2RNl3ccn
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 20 IoCs
pid Process 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2332 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe 2332 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2332 wrote to memory of 4052 2332 AcroRd32.exe 101 PID 2332 wrote to memory of 4052 2332 AcroRd32.exe 101 PID 2332 wrote to memory of 4052 2332 AcroRd32.exe 101 PID 2332 wrote to memory of 4648 2332 AcroRd32.exe 103 PID 2332 wrote to memory of 4648 2332 AcroRd32.exe 103 PID 2332 wrote to memory of 4648 2332 AcroRd32.exe 103 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 3104 4052 RdrCEF.exe 104 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105 PID 4052 wrote to memory of 2032 4052 RdrCEF.exe 105
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\ca967de34d36b419ae3aeba9873e1766.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:2332 -
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:4052 -
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=945B43D327684C7DFBCE177F96DA25B6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3104
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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=5010993CF525B90467E9833FA47656FE --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=5010993CF525B90467E9833FA47656FE --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:2032
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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=1675C05A11C1920400BDE701F471F775 --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=1675C05A11C1920400BDE701F471F775 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:13⤵PID:3376
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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=BC1883EDC4B28570D7A35FBC50B11A0B --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4528
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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=147DAEAFF680E4FA5F432A98B9477726 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4284
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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=4984E3DA8470F1A1A91D9CBEC3AA66D7 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3720
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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:4648
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2876
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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=3704 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:5392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5d3f0dadaf21461b3ca48c334ae8f4712
SHA18ba0aa9b2385f32f5b420ec12324bedecfd72c61
SHA256413990a1be48f925f8fc38f53f839d29586a0442a1cfbe20dc6a0ca96933fdfa
SHA512c44dc8fd030bad15ab1216872a3c5d7cb9f78ef0f63edc76d79999f3ce799e130886b1e7be71a326e20b66ee573acefada0a8bd2938b502007fbf1b473c3dc4e
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
12KB
MD589c5b82b32c9aae2cc8891f9ba9066c7
SHA1f8903e48f2d176c7d449b31fb09e8b1df49731ba
SHA256ae715a45000e3a3753a01e2a107bd221e17181f1fae54bd2f1135060b6f686f4
SHA512a2bbe1ab52bcb50cca3dae1c3e8e0efadab5505065bc3bb676208f7f14516c1bf546315768c26f3ca4412b2541709610a9f58856b7d7e71de1eee393c41ed99b