Analysis
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max time kernel
145s -
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
08/01/2024, 04:14
Behavioral task
behavioral1
Sample
4a693d770d1977124bcbc555704896b4.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4a693d770d1977124bcbc555704896b4.pdf
Resource
win10v2004-20231215-en
General
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Target
4a693d770d1977124bcbc555704896b4.pdf
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Size
71KB
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MD5
4a693d770d1977124bcbc555704896b4
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SHA1
8937ffc9157bee2a1bacbc689752df118bc21f50
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SHA256
af26314d941d71255a8ae462e85b33132923ec9b059981a9cb7eba580fd54827
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SHA512
6636631a9324e9a2297d1c916d85fc35b068d4f724db1683383fe17492a71773c66742971d95255aaf1c2a98ca5e3f5d22e4a3ba902e8b7a38afcc22ca486948
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SSDEEP
1536:QvEEA54w96DgDwqEzOt/32rWry6biGmTY+zh4W7i2Eyb8f:GZwwDawqewwkyqiGmNhp7i21g
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2612 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe 2612 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2612 wrote to memory of 3600 2612 AcroRd32.exe 92 PID 2612 wrote to memory of 3600 2612 AcroRd32.exe 92 PID 2612 wrote to memory of 3600 2612 AcroRd32.exe 92 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 4164 3600 RdrCEF.exe 95 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96 PID 3600 wrote to memory of 3812 3600 RdrCEF.exe 96
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\4a693d770d1977124bcbc555704896b4.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:2612 -
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:3600 -
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=18FD79BBA62EFF70E29FC211C5837422 --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=18FD79BBA62EFF70E29FC211C5837422 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:4164
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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=B6F3A8212B8CACDE60E46BC8B5BD77BD --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3812
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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=6358F41B974C9BE5CEAD1AFBD57880C5 --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=6358F41B974C9BE5CEAD1AFBD57880C5 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:2760
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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=C76B0B1D274DD54A0E02800F62729DE9 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2260
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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=A28DF332287840A230FA651AAA94147B --mojo-platform-channel-handle=2092 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1216
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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=AF443F29AE5ED8D56D68B6EFBA9BB5DB --mojo-platform-channel-handle=2056 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4888
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5cebf99c205c0170bed2fcf6a6de25175
SHA173ac5af06544bc4e3ed36f1b75c0e6fdef3e7ffd
SHA256b3df03d450f582ad88cb2eb6b8341266692dd3af8e6dd95772582ce21754001b
SHA512c3c1ea7cfa36fb6187749d92c7409f66401c261562a08b2b425d5dcef66260cea1c3211aa892169dc6c97893efa263a517ae20c524173f6e5f87028d91075e48
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5