Analysis
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max time kernel
142s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:33
Behavioral task
behavioral1
Sample
751b0adb676cd29445c26e45b7fb1c6e.pdf
Resource
win7-20231215-en
General
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Target
751b0adb676cd29445c26e45b7fb1c6e.pdf
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Size
34KB
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MD5
751b0adb676cd29445c26e45b7fb1c6e
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SHA1
30c6ecb29c38d4ee0e6f0a9a0f4c6adad98b8d97
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SHA256
65f78683e9be4f6c4134a16eb97150d35662e6c1cbd4ace96b26fc91d7fa7187
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SHA512
9c5c624d5a36256303ca595fd50ad365190c8b635bf0aeb71a28b518347994e6352c689f3988d617f7eb09f03f5a2e5d25206dbbe3f5a553df2e17dd6aa71f44
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SSDEEP
768:D37VxEHmvXOLiXjnCpR4K5uzOUfHEDz0xN:EHFLGCX4K5GOUfHEDz0j
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3340 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3340 wrote to memory of 1588 3340 AcroRd32.exe RdrCEF.exe PID 3340 wrote to memory of 1588 3340 AcroRd32.exe RdrCEF.exe PID 3340 wrote to memory of 1588 3340 AcroRd32.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 3068 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 RdrCEF.exe RdrCEF.exe PID 1588 wrote to memory of 4808 1588 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\751b0adb676cd29445c26e45b7fb1c6e.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:3340 -
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:1588 -
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=D9C496A1871372C87135B0B077325C3A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3068
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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=CE9BD004A42853CDAC3D3D54808494FE --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=CE9BD004A42853CDAC3D3D54808494FE --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4808
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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=14867D993C3AC45E3B7A5F4775135F5A --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4660
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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=88ECB5ED5659AEE21721A47E2563B938 --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=88ECB5ED5659AEE21721A47E2563B938 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:13⤵PID:1660
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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=16D8AC7F4974697EF510798DC69CE9E1 --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3768
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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=4018A517B63CBF8F2F6B4A1D7B6FA342 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2868
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2064
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD50234724ed5378ce1a14a7fc77460670c
SHA10d05698252042cde38f6103a0a833340f54383cc
SHA25604834eefd6c80cc3cc6c4c7d22644a577937bee0aac0504b96e3848baf9adc43
SHA5121dce8cda7a3adaf79a96f4e0a45d583d5a54ca52dafefc8474b818a9a229a9a2c72ba61a206657b8f01ed36dba36d825f65304058cddafc2030e089d545a4ffe
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5