Resubmissions
28-11-2022 20:00
221128-yrgyfsgg8s 1028-11-2022 19:52
221128-ylvblace32 128-11-2022 19:51
221128-ykt97scd43 1Analysis
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max time kernel
146s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 20:00
Static task
static1
Behavioral task
behavioral1
Sample
ACH223321113.pdf
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ACH223321113.pdf
Resource
win10v2004-20220812-en
General
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Target
ACH223321113.pdf
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Size
66KB
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MD5
6a4015692bd1a76299a812975f10a913
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SHA1
3063441e86e2e9dce7d8f8ff6d54ceb356b9c1a9
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SHA256
46522d9e413ef1fbd4a122da26b996a4653bf72b6394504a346b4006daff3bbd
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SHA512
cd66557939ea0bcc9687b20ce04ba3bec4f4f434f0d8f921bf1725a15fc86ee7d016a857cbaacca9a4b7300d2f0fa9c23a787dfe21a8d3f7287f012cbf6df724
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SSDEEP
1536:e3NPrWKs8+h1zcO+G9KBtHVx5c19b8EY5E4nzkyU+ZT:e9PrkbcC9KTC19ZAEMzkN+ZT
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 4332 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe 4332 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 4332 wrote to memory of 4900 4332 AcroRd32.exe RdrCEF.exe PID 4332 wrote to memory of 4900 4332 AcroRd32.exe RdrCEF.exe PID 4332 wrote to memory of 4900 4332 AcroRd32.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4820 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe PID 4900 wrote to memory of 4772 4900 RdrCEF.exe RdrCEF.exe
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\ACH223321113.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
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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
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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=5BB2E62F527AEA3E071812340A718F18 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=FC6609C0E0DC0BAB6E2018C9023282AF --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=1 --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=FC6609C0E0DC0BAB6E2018C9023282AF --renderer-client-id=2 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job /prefetch:13⤵
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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=496D99CC90CB86209FF33282C3C6B7B4 --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=1 --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=496D99CC90CB86209FF33282C3C6B7B4 --renderer-client-id=4 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job /prefetch:13⤵
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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=415A1EA9735BAC9E9029A6AA69AA41DC --mojo-platform-channel-handle=1780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=DE717B1EE735A7F94AE91105E1ABFBA6 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=06717E7707388BD90366E2D2B41C5ABC --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/224-150-0x0000000000000000-mapping.dmp
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memory/1296-147-0x0000000000000000-mapping.dmp
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memory/1492-142-0x0000000000000000-mapping.dmp
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memory/4680-153-0x0000000000000000-mapping.dmp
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memory/4772-137-0x0000000000000000-mapping.dmp
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memory/4820-134-0x0000000000000000-mapping.dmp
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memory/4900-132-0x0000000000000000-mapping.dmp