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
03/02/2024, 12:17
Behavioral task
behavioral1
Sample
8c4db17b6231b411537f3424ad2052e4.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8c4db17b6231b411537f3424ad2052e4.pdf
Resource
win10v2004-20231215-en
General
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Target
8c4db17b6231b411537f3424ad2052e4.pdf
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Size
71KB
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MD5
8c4db17b6231b411537f3424ad2052e4
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SHA1
7188a6c482f75cce640f1fa46fa9a4b95561d486
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SHA256
a428aa406b84a006ef4c4d5f868d8fd7b078182a756d45b89f6aa725f979d5f0
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SHA512
bb2f1f4f3f6198d526018fa814dde52eb6fb705d60d62e6d79c5b68e7c4d8dc4483ba8f8af948143cbda41e507c0e7f91522fe761f9c0c2edd664d82b1897f13
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SSDEEP
1536:978YhyPCzSSx9I6U6dL33iInmp58POHIWSc0eqRLTJNj87RKgXsi:N+6eSHN1LHiInmnL4RLTJZ84gp
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 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4476 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe 4476 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4476 wrote to memory of 2004 4476 AcroRd32.exe 88 PID 4476 wrote to memory of 2004 4476 AcroRd32.exe 88 PID 4476 wrote to memory of 2004 4476 AcroRd32.exe 88 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4680 2004 RdrCEF.exe 89 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90 PID 2004 wrote to memory of 4128 2004 RdrCEF.exe 90
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\8c4db17b6231b411537f3424ad2052e4.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:4476 -
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:2004 -
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=50AA1D1BC78017F0820C598CD98BFE48 --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=50AA1D1BC78017F0820C598CD98BFE48 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:4680
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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=FABABE65B2BFDAA513FC0933356416C8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4128
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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=B92952CAC96E46AB665ABA3CE19E6E6D --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=B92952CAC96E46AB665ABA3CE19E6E6D --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:13⤵PID:420
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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=1DF1D17ECFC40FD5957F7F53F937C4AE --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1844
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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=3AC9E9FAE4DABDC1D1FA36E67C174FA2 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1800
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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=1F5FC9E6024280609DD9268EEA97C10E --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD503cae5e7a36e77fdd302567fc57e8c46
SHA1df0040544fd82c3d346b545bd40ef94254d515f9
SHA256709eee89358cdb55d283ec22e0a6575c258d474f4645f95d379853957d2a6d44
SHA51285a6f2c7dc877859b8580264fd7036325eb48eaf78d0c825a3e491a07b24a5625fed95cacf39096b691b8c1c38700243c9d7adcb7d5a5a1f7229d5d48272e400
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5