Analysis
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max time kernel
163s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2024 03:02
Behavioral task
behavioral1
Sample
c7846ff863eb77d735a6a1417d21aa55.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c7846ff863eb77d735a6a1417d21aa55.pdf
Resource
win10v2004-20240226-en
General
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Target
c7846ff863eb77d735a6a1417d21aa55.pdf
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Size
72KB
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MD5
c7846ff863eb77d735a6a1417d21aa55
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SHA1
a89a6b9ea7cf8b1332a919e940a479e2cf0d7872
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SHA256
5a1322fcb0b8a80ddeb26b04c1cef0ec2b7e557a4d61462d7e87fda28014350d
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SHA512
fd54b46f2e0d9e00db743b7aeca208f445c88f05a7197f80bdfd6bd0a60467a7e5f53bd3383e8cfd477e496eb65d3b2f28edbec0302fa07a3b08e6001ba628c9
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SSDEEP
1536:W3fti71IGQaSXrIf3ED/CorkwKAh9oDVVXuWspO+TSUbUNSWO2Sd+W:giZbvurI8jCoKs9yVVXd+T8Qh
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 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3564 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe 3564 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3564 wrote to memory of 4904 3564 AcroRd32.exe 111 PID 3564 wrote to memory of 4904 3564 AcroRd32.exe 111 PID 3564 wrote to memory of 4904 3564 AcroRd32.exe 111 PID 3564 wrote to memory of 3940 3564 AcroRd32.exe 113 PID 3564 wrote to memory of 3940 3564 AcroRd32.exe 113 PID 3564 wrote to memory of 3940 3564 AcroRd32.exe 113 PID 3564 wrote to memory of 4552 3564 AcroRd32.exe 114 PID 3564 wrote to memory of 4552 3564 AcroRd32.exe 114 PID 3564 wrote to memory of 4552 3564 AcroRd32.exe 114 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 2432 4552 RdrCEF.exe 115 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116 PID 4552 wrote to memory of 728 4552 RdrCEF.exe 116
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\c7846ff863eb77d735a6a1417d21aa55.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:3564 -
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:4904
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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:3940
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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:4552 -
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=47E163226E0DA53D5F4A0BC2B194CB0B --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2432
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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=AC60A05244383E4AD281300DCC98D3E4 --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=AC60A05244383E4AD281300DCC98D3E4 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:13⤵PID:728
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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=D46D9D2006F51DAB657912F95A33B74E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1680
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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=A7D1FF777950A314408F2F025282DD15 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4640
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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=DDEAD19BBED43ED897D834E3BA4661F0 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵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=3866E683A41891B5C6A2F805A0E0C0AD --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=3866E683A41891B5C6A2F805A0E0C0AD --renderer-client-id=8 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:13⤵PID:1096
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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=3644 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:81⤵PID:3132
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1368
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5c355a91b75ece34209d1ef130b954095
SHA17b97bff0c3898ee91ae711d9897bced25ae38672
SHA256636a0f9aea37a7376438d557f757f60cc4b6b96698688a013ea6847b4ca39027
SHA5124cd74f3df91621499bfffae38339310421c4c342bc4454dee0775690687170952c351705d565e236b4b4b1367628757eb56ddb9f655bbe336ae12d38191d25e4
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e