Analysis
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max time kernel
151s -
max time network
151s -
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 10:30
Behavioral task
behavioral1
Sample
cb2d37ba2cdd50a886a80d3af219484b.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cb2d37ba2cdd50a886a80d3af219484b.pdf
Resource
win10v2004-20240226-en
General
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Target
cb2d37ba2cdd50a886a80d3af219484b.pdf
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Size
81KB
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MD5
cb2d37ba2cdd50a886a80d3af219484b
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SHA1
082efeaed530ca29100e737f853858790e1218aa
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SHA256
643202c04932800be98215c4f4485b2329c634baac80c08a4ed028f38682f0b0
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SHA512
36bd7d03596bcaeccfebe802525993ab1c4de5fce728eb82d07cf62b5abe7adfd5b7c4639c0e96702b9eb78a4455255f8c0bd4c24b74e5dca838fb86dd78837f
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SSDEEP
1536:WwolPK5B67kcNnmex2u3kIpd7cKEUa6jUWg/44q6mw6SIHotCGZW9fOGWi9Hl:toli5BC8eNhpdgF5kUxBtmO2NG2fXFP
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4012 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe 4012 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4012 wrote to memory of 4048 4012 AcroRd32.exe 108 PID 4012 wrote to memory of 4048 4012 AcroRd32.exe 108 PID 4012 wrote to memory of 4048 4012 AcroRd32.exe 108 PID 4012 wrote to memory of 4576 4012 AcroRd32.exe 109 PID 4012 wrote to memory of 4576 4012 AcroRd32.exe 109 PID 4012 wrote to memory of 4576 4012 AcroRd32.exe 109 PID 4012 wrote to memory of 3440 4012 AcroRd32.exe 110 PID 4012 wrote to memory of 3440 4012 AcroRd32.exe 110 PID 4012 wrote to memory of 3440 4012 AcroRd32.exe 110 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3604 3440 RdrCEF.exe 112 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 RdrCEF.exe 113 PID 3440 wrote to memory of 3056 3440 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\cb2d37ba2cdd50a886a80d3af219484b.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:4012 -
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:4048
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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:4576
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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:3440 -
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=1E644377988527B50515EFE81CD50A4E --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=1E644377988527B50515EFE81CD50A4E --renderer-client-id=2 --mojo-platform-channel-handle=1688 --allow-no-sandbox-job /prefetch:13⤵PID:3604
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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=FCB4DED6633F6C338F93CADC56A5F468 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3056
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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=93C108392A67000F57BE6EF2A9001D60 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:756
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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=267B9260315BDD914DAA0293E386718A --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=267B9260315BDD914DAA0293E386718A --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:13⤵PID:4380
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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=551E35B7F6B20E3F528E149A730C3790 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2308
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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=0AEDF084C47E9A806EE8F16E8D0D34AB --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3904
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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:4872
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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=764 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:4440
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4080
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5081b3488139122775aeb57bb9a1ddb70
SHA1aabd4f28a7132b9438ce05ae74d8b57a9a12a782
SHA2565cea75f83ff5534109066f6d06376d53175c4703fb3baa3d568705eff5e9a322
SHA512bc32b3c7129eaf9403e68d0fc5b14f39c063e4144a0e0a053d841ca046d4a44ee92fb52bb474fd32b5b3f554de5a9be2fb91e84d84894ed75b0e528bb33343eb
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5