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Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
09/01/2024, 03:40
Behavioral task
behavioral1
Sample
4d3e5ed452e64801af20cf7e6fcc61ff.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4d3e5ed452e64801af20cf7e6fcc61ff.pdf
Resource
win10v2004-20231222-en
General
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Target
4d3e5ed452e64801af20cf7e6fcc61ff.pdf
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Size
93KB
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MD5
4d3e5ed452e64801af20cf7e6fcc61ff
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SHA1
04d128a0a505d15b27aca9f0d52fe0e5a219c7d3
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SHA256
5b52fefbd7b6ca57376a9afa9b82463caf602d0a8831df38e7a013e58dc5f6ed
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SHA512
f3e7a919d639f52da17e80f97b0d88e07f7ca76b7b5768e681a21322493c0ace6374361a2c15a06692f3803eff26404452c60850aa575eb3b5420575924eba8b
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SSDEEP
384:B3O+eOyEwnt+IthrXtJrcZiLHQOtvatO7JJAjWYRtzOwy/1PDUttFVYtlnPFKu/C:xH
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1116 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe 1116 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1116 wrote to memory of 3340 1116 AcroRd32.exe 94 PID 1116 wrote to memory of 3340 1116 AcroRd32.exe 94 PID 1116 wrote to memory of 3340 1116 AcroRd32.exe 94 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 2956 3340 RdrCEF.exe 95 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 RdrCEF.exe 96 PID 3340 wrote to memory of 3512 3340 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\4d3e5ed452e64801af20cf7e6fcc61ff.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:1116 -
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:3340 -
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=8AF1D11819AAE44BB8029493A2E4A89A --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2956
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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=F9276E43CD4541CE1398E17E6AE457B4 --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=F9276E43CD4541CE1398E17E6AE457B4 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:3512
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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=82CED12B1352B759AC6C44FD4CFC3E32 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3860
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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=7A76D9046326BB9DA30A0C448FDECDD5 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:640
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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=9810A4253AC564C038413C089DB18B3E --mojo-platform-channel-handle=2244 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4040
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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=B5AA5BE603232AB1495E9D1B183E6ACA --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=B5AA5BE603232AB1495E9D1B183E6ACA --renderer-client-id=8 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:13⤵PID:1984
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3336
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD56adab9e622ce15d3084be821684daa80
SHA1b3bffdd88f91a985cf5cfbd36d1fd69870a8b9f0
SHA256cc84bb7f58b925fe0e43cbfc795774a075cd92673cbcd1b72a3d6d5296586932
SHA512b255118720250fa58fed763d5a85eb660961d571d5f1edf2203c102e4fb3c3ec0447833ce049948a9a0928358470f09d9fa1c5f96b1825566dc968e92243a09c
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5