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Analysis
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max time kernel
142s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2023, 14:06
Behavioral task
behavioral1
Sample
b70c38e07eb09527c8730b57511c6bb0.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b70c38e07eb09527c8730b57511c6bb0.pdf
Resource
win10v2004-20231215-en
General
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Target
b70c38e07eb09527c8730b57511c6bb0.pdf
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Size
89KB
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MD5
b70c38e07eb09527c8730b57511c6bb0
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SHA1
aa775c7fd12ed15674a739a45ec6b3bf9f2011f5
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SHA256
6b36ce889a5a71e3258636f079274a76f7f4ef8ef4d69bfb9ddc433bc0bfaf79
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SHA512
a1d09baee88a0665a21faca5f76dd43341f4802e7059873b0508570d2e17c363c580f587a470220d738e9bd3bd882e78a95ee511bda66cb144510df6974a7f2d
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SSDEEP
1536:qYyqXVr29CpLVqHBZ2kEnxoAxZvVod3fwWFDbd6Uy7TkWcpOmGlTOgzl:byqXVr29CpLwHTLE/XvVodPNPTy3PmWz
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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3784 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe 3784 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3784 wrote to memory of 3336 3784 AcroRd32.exe 89 PID 3784 wrote to memory of 3336 3784 AcroRd32.exe 89 PID 3784 wrote to memory of 3336 3784 AcroRd32.exe 89 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 4660 3336 RdrCEF.exe 90 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91 PID 3336 wrote to memory of 5020 3336 RdrCEF.exe 91
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\b70c38e07eb09527c8730b57511c6bb0.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:3784 -
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:3336 -
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=F9BA8DB1EC8DEDD48556D37103B3287E --mojo-platform-channel-handle=1740 --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=4751BB2FC24EA80F95CFAB35782D35AC --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=4751BB2FC24EA80F95CFAB35782D35AC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:5020
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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=180E3EC68C0BB8894DD8B8E007F76961 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4736
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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=C15F6862D2A610CD1A7881FC32F60EB9 --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=C15F6862D2A610CD1A7881FC32F60EB9 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:13⤵PID:3396
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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=E543E5909F585270373B734DE6150215 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2272
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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=BCF70D65B81FD9B86FCDA4B8564A1A2E --mojo-platform-channel-handle=2192 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2948
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1116
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD56058f6d3185deb0b53167e549017cef2
SHA130a5d5742c2e0e24552155bac8fd68c2a577d2f0
SHA2569e8c8feb12f8fd8db98da949207fa7874e549cb0b73cbf0cc9cbfedd8806d280
SHA5125a679057145b8472bdc2aeffadc26dfac404cb45e4816fe80bd2987dc4a79a9b4cc9d2ff28f7646692f0815d510cfd9aec638dea46a9b1941bbf89879755b0fb
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5