Analysis
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max time kernel
162s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10/01/2024, 15:55
Behavioral task
behavioral1
Sample
50fcdd9b197c5fcdc32fbe44d0d2f977.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
50fcdd9b197c5fcdc32fbe44d0d2f977.pdf
Resource
win10v2004-20231215-en
General
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Target
50fcdd9b197c5fcdc32fbe44d0d2f977.pdf
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Size
75KB
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MD5
50fcdd9b197c5fcdc32fbe44d0d2f977
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SHA1
4821f3d5c1708390108cb0b27f605bc73194f95b
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SHA256
e48a4871565b7362977e89cb0c9b8aa98f321b38d024e450fc0d3314e0c15a88
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SHA512
9b6f3b3bc290656863ba1f9a6339af5774629a29851fd2d77f4c442dcc923e0c3bfbf12b3ca526ababd8aa5773ca540f7193e786c43a638a8743f4aed6c92fa0
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SSDEEP
1536:IPDIX1cJEU0A7b59SXmYCDasHMmGl9RYkc8iiv5QV8pLWOpOSZWV4bL9JCoL0u:UDIX1ZUT7b/MyD8mG+TivvaSQ4tJCoN
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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4348 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe 4348 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4348 wrote to memory of 4780 4348 AcroRd32.exe 103 PID 4348 wrote to memory of 4780 4348 AcroRd32.exe 103 PID 4348 wrote to memory of 4780 4348 AcroRd32.exe 103 PID 4348 wrote to memory of 484 4348 AcroRd32.exe 104 PID 4348 wrote to memory of 484 4348 AcroRd32.exe 104 PID 4348 wrote to memory of 484 4348 AcroRd32.exe 104 PID 4348 wrote to memory of 1972 4348 AcroRd32.exe 105 PID 4348 wrote to memory of 1972 4348 AcroRd32.exe 105 PID 4348 wrote to memory of 1972 4348 AcroRd32.exe 105 PID 4348 wrote to memory of 5096 4348 AcroRd32.exe 106 PID 4348 wrote to memory of 5096 4348 AcroRd32.exe 106 PID 4348 wrote to memory of 5096 4348 AcroRd32.exe 106 PID 4348 wrote to memory of 5048 4348 AcroRd32.exe 107 PID 4348 wrote to memory of 5048 4348 AcroRd32.exe 107 PID 4348 wrote to memory of 5048 4348 AcroRd32.exe 107 PID 4348 wrote to memory of 1304 4348 AcroRd32.exe 109 PID 4348 wrote to memory of 1304 4348 AcroRd32.exe 109 PID 4348 wrote to memory of 1304 4348 AcroRd32.exe 109 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 3844 5048 RdrCEF.exe 110 PID 5048 wrote to memory of 4308 5048 RdrCEF.exe 111 PID 5048 wrote to memory of 4308 5048 RdrCEF.exe 111 PID 5048 wrote to memory of 4308 5048 RdrCEF.exe 111 PID 5048 wrote to memory of 4308 5048 RdrCEF.exe 111 PID 5048 wrote to memory of 4308 5048 RdrCEF.exe 111
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\50fcdd9b197c5fcdc32fbe44d0d2f977.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:4348 -
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⤵PID:4780
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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" --backgroundcolor=165140432⤵PID:484
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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" --backgroundcolor=165140432⤵PID:1972
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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" --backgroundcolor=165140432⤵PID:5096
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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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:5048 -
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=979623C08BD89036FB7E05EE91853EF5 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3844
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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=9F3E0F035BFA59F94E63BCE3E9CD113D --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=9F3E0F035BFA59F94E63BCE3E9CD113D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:4308
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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=FE01B0A29823F9A40B83FD27D0E49E68 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵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=58246080D3DC3556F4459DBC8B220FED --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2096
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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=05DE2848C39872F54EA8563652F84BC0 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3944
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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" --backgroundcolor=165140432⤵PID:1304
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD556d382da87e1246ab558248df6e2ecb6
SHA1e05d9c16ddb673acb365843231b344dacaafb4b8
SHA25615853df09cb2a17e99df0b419cf655c78d1fd0a8e5de7122e60ae12dbfdec08c
SHA51272d45f8da00fc2fb22d1ed4cb0f50365a47ca8613ffdd1e8f2a0c3288262510457d1f326dd785980ad50ff601e07ad94da91ac287bcd8987eb574ae9c4ae393b
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5