Analysis
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max time kernel
151s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18-03-2024 18:31
Behavioral task
behavioral1
Sample
d4381d39d6512f2466c1df0aedb321fd.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d4381d39d6512f2466c1df0aedb321fd.pdf
Resource
win10v2004-20240226-en
General
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Target
d4381d39d6512f2466c1df0aedb321fd.pdf
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Size
57KB
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MD5
d4381d39d6512f2466c1df0aedb321fd
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SHA1
1e0ff8dd4a31e46e4dc709aa559b48b7767546e3
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SHA256
340a786cb43c65356a438d34a49190ca3e54ff3b523c26b8a59e2a7d12b9165b
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SHA512
3617e02891857e6f0292ce020b4d27611ed21fdf193b5264f99222abe1ea72604d096d7cdf244a4108eee1bae83f949d45f3dfd20c4b79953d2642f46c2a2429
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SSDEEP
768:+gGzpDUplyzLkV5+3o4OCObK7CswfUDk5+55KXMaPkCyEULFifALltJ47RgnKl6Y:7GFApl/w4xK7aTxyEULEfALp47yY6nY
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 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4936 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe 4936 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4936 wrote to memory of 3648 4936 AcroRd32.exe 101 PID 4936 wrote to memory of 3648 4936 AcroRd32.exe 101 PID 4936 wrote to memory of 3648 4936 AcroRd32.exe 101 PID 4936 wrote to memory of 3308 4936 AcroRd32.exe 102 PID 4936 wrote to memory of 3308 4936 AcroRd32.exe 102 PID 4936 wrote to memory of 3308 4936 AcroRd32.exe 102 PID 4936 wrote to memory of 4448 4936 AcroRd32.exe 106 PID 4936 wrote to memory of 4448 4936 AcroRd32.exe 106 PID 4936 wrote to memory of 4448 4936 AcroRd32.exe 106 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2324 4448 RdrCEF.exe 108 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109 PID 4448 wrote to memory of 2156 4448 RdrCEF.exe 109
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\d4381d39d6512f2466c1df0aedb321fd.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:4936 -
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:3648
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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:3308
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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:4448 -
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=D969230D0AB2D48C1C0FE7CFCC32CFE5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2324
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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=ADC785DB2B77428F074F82292F883C40 --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=ADC785DB2B77428F074F82292F883C40 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:2156
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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=208DBE76FC193B95906F4C18E57862E8 --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=208DBE76FC193B95906F4C18E57862E8 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:13⤵PID:1512
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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=102F78BA888982A86594C08150B5498A --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2456
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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=68FB9DC57088AF7D231F1916ABF0EB49 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:724
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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=2371D81D5E98AA5B503313A2A5C97B1A --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4284
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2352
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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=3980 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:81⤵PID:2328
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD53f2b33a8dce023bf9c1d957e02958fcb
SHA1e3c98bda4286f6593a75fefb38c2e8a4ee1c6838
SHA2560781b4c8df515cc6ff43a62ca070cd4a28ee53d9bd1c9377896715a2d9303789
SHA5129025884ad26898b5480e05513b061422080827f996f9a4da00e0922ee9e36fca8d9416de5da583c7ee4b7c61b541beca98bf08b7020e075fd2fb0c7a8eb1c436
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5