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Analysis
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max time kernel
150s -
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, 16:23
Behavioral task
behavioral1
Sample
d3f7866bb67f0baa95b20417024b1b3a.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d3f7866bb67f0baa95b20417024b1b3a.pdf
Resource
win10v2004-20240226-en
General
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Target
d3f7866bb67f0baa95b20417024b1b3a.pdf
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Size
72KB
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MD5
d3f7866bb67f0baa95b20417024b1b3a
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SHA1
c0d11b807c5517ec8900fb8e5def0374aedc275f
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SHA256
84cf33c4421cf99fd2c7372b4ccc9b6ecffefd9939f3fe3cac9e4c286a4ba0e2
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SHA512
44d8b136d3d01dd5ba2196fb81d97bdab1d710fc23d6d0134e277372d96e1c5bb88604451b084b2481d9c98ab53bf6343e7875c775a47f5d4eccaad887df28f1
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SSDEEP
1536:cFtzzt1RCNP4kGFMywFBjUoO5k+x6uT2yqsujH2mu3b:qtzVCNP456LBor59MnyTuqmk
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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1616 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe 1616 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1616 wrote to memory of 2516 1616 AcroRd32.exe 94 PID 1616 wrote to memory of 2516 1616 AcroRd32.exe 94 PID 1616 wrote to memory of 2516 1616 AcroRd32.exe 94 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1608 2516 RdrCEF.exe 95 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96 PID 2516 wrote to memory of 1424 2516 RdrCEF.exe 96
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\d3f7866bb67f0baa95b20417024b1b3a.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:1616 -
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:2516 -
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=1FBA3EF3614809C46E2F56778A816FAC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1608
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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=2365739D014DA58E3275DEFE3FD384EF --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=2365739D014DA58E3275DEFE3FD384EF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:1424
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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=2A30C193B3DAD0EB4B2F97E8F65C2BC3 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3988
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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=976BAC0D6A7C195D87F4069EB4B204B1 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4740
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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=9EB890BD13C73EEC92A5F71155C1EE1B --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3488
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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=B68344BB04F08B8B7BFDC2B898D0CBF2 --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=B68344BB04F08B8B7BFDC2B898D0CBF2 --renderer-client-id=7 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:13⤵PID:4984
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4008
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD56735f6ed27ae6e8338a252123558e700
SHA10bc965b7863b5c32d3f20372e7fb4b5e4062f9bd
SHA2567b445659c3e75d460e366a25e28fdfef214a3328bdd5c08a195112b20a537c29
SHA512f0d20806d6fd3bc8dc4f95a9e027ee83dc3b347c9fda7ebee5235379886d4a280338e44caf29feeda56c68d939b0cf9ca9169dc2b3363f5cf3003edbf7e938d9
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5