Analysis
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max time kernel
165s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
03/11/2023, 02:56
Behavioral task
behavioral1
Sample
NEAS.5bdc8f5cb7d0c916a4c38b1c90533780_JC.pdf
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.5bdc8f5cb7d0c916a4c38b1c90533780_JC.pdf
Resource
win10v2004-20231023-en
General
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Target
NEAS.5bdc8f5cb7d0c916a4c38b1c90533780_JC.pdf
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Size
381KB
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MD5
5bdc8f5cb7d0c916a4c38b1c90533780
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SHA1
9b4eb02ded8be79ba87e9785a7753345ca80364d
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SHA256
97bae24122a19a3a29d3c0ecfee666bbdfd3a5ea40bf16f19601dad4a3fbbb9c
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SHA512
4a16aba46a4d14891361d3cd784f3f5c47a2f03f5bb1cf8e3ad9d28e51767fa7dcc93d66ac672be34d94f4e0856b1fa7c3b4004d51d3f0ca2fe06ec04772533f
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SSDEEP
6144:f2KiRIVfwOiVuIF53aInsCUpQRJDvWBteZ5GieqrnCZqjt6ZrXQqwPS4SsLQUgrZ:f2XsfwBbF5KGzWBtaDrnCZmtl1t6rM8r
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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2604 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe 2604 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2604 wrote to memory of 1732 2604 AcroRd32.exe 96 PID 2604 wrote to memory of 1732 2604 AcroRd32.exe 96 PID 2604 wrote to memory of 1732 2604 AcroRd32.exe 96 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3468 1732 RdrCEF.exe 98 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99 PID 1732 wrote to memory of 3200 1732 RdrCEF.exe 99
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\NEAS.5bdc8f5cb7d0c916a4c38b1c90533780_JC.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:2604 -
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:1732 -
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=1C571216E988B0D19222818A7F31A327 --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=1C571216E988B0D19222818A7F31A327 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:3468
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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=603ED3E48BF282A3A434B2BCB29B5651 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3200
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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=B7C5EF9D32581B85D11E98F0309FF204 --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=B7C5EF9D32581B85D11E98F0309FF204 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:13⤵PID:388
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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=31DFF76D776E12AFE74930FC08FD0949 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4120
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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=6C97E235C490E691316A38965F903DCE --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4640
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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=752F4DDF8740402D789E4C6FC5AFB1AB --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2500
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5