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Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2024, 17:47
Behavioral task
behavioral1
Sample
8cf5142b8f46946dc32708b11de7e6a2.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8cf5142b8f46946dc32708b11de7e6a2.pdf
Resource
win10v2004-20231222-en
General
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Target
8cf5142b8f46946dc32708b11de7e6a2.pdf
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Size
93KB
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MD5
8cf5142b8f46946dc32708b11de7e6a2
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SHA1
ce780a2149020b602546f8dc3fc52a36c20964ac
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SHA256
8bdbb5c438af22ae4f98dcd196f9eb1c35d88d920f36e5995ffce341d693efdb
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SHA512
e8eb21da386444a7f54a9fee4cebe732f11357d70c53f417acd8dcb74392bf3cdbc1461dd28f26a23e45d670e474748085c463a4cd6713096398e105fe5bd4c0
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SSDEEP
1536:zRDcjlKK70avkg+clrgJCcM2gmokQVoEzi3zbmaQkc6TIcZBQ6L2Mcsh8086sOzr:lDiKguclkJjM2ekLp3zbmaQGr9L2My0N
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3332 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe 3332 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3332 wrote to memory of 4328 3332 AcroRd32.exe 91 PID 3332 wrote to memory of 4328 3332 AcroRd32.exe 91 PID 3332 wrote to memory of 4328 3332 AcroRd32.exe 91 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4684 4328 RdrCEF.exe 94 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95 PID 4328 wrote to memory of 4568 4328 RdrCEF.exe 95
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\8cf5142b8f46946dc32708b11de7e6a2.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:3332 -
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:4328 -
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=859F5C2DDE557BE4E7ABDDE3CC9664A1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4684
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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=519678695D9A357288536B1AE5134876 --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=519678695D9A357288536B1AE5134876 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:4568
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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=7B25E127653BC73FE3099BD697B6217F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4408
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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=6F6C0FF081D7868A2CD783650A16B6A4 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1940
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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=E34CC7EEFE6C457A7A7CAED5D2962C62 --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=E34CC7EEFE6C457A7A7CAED5D2962C62 --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:13⤵PID:4508
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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=B346E6471CEBD377F67A2EBC353C97E1 --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1860
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1564
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5c412f0d2e602e2c92e83f4a77d5da4b3
SHA11e5bf8316a45dde9eff6bf823ea5126d9b931471
SHA256b222daeeb753c20d6cd21cdb7d2b2f8e9c805eaf28144de7907d04a27ff5e127
SHA5126e378b3fa8fc27c1d0ddb01e7fb72c7cda9647077e3e29df07bda0b17d960e563353655e991adb2b9c0de5c25f3bec6de7d07098dc0e92abda4371db65bd1cb1
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5