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Analysis
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max time kernel
171s -
max time network
183s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
01/01/2024, 06:13
Behavioral task
behavioral1
Sample
3c1886461b105460316ea5e17098948b.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3c1886461b105460316ea5e17098948b.pdf
Resource
win10v2004-20231215-en
General
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Target
3c1886461b105460316ea5e17098948b.pdf
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Size
71KB
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MD5
3c1886461b105460316ea5e17098948b
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SHA1
4d748bd8e6c463c6723d55a43e616c07c7536117
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SHA256
95f3eba941dfeba386ac9b2621b1f8cb57ac79dda66c199eebbc414451d866bc
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SHA512
0c0d9b2a1ffd7ee23289dc8c3c2025b66140aa720efe909bd5b218a6ec8a3289642e05cb2dc24e0f7319cf493cc6a4a259804d0422b7c28309ef025371011584
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SSDEEP
1536:cK+2HX0/NB0CoRbe4njWVRwBtP/8XOSZ9vKMgfWsAsTWkNpOPZPM9mi3W2vcjnb2:xlX01OHbXjsRYLSZ5KMgfZ2Plmmix4S
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 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2064 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe 2064 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2064 wrote to memory of 2244 2064 AcroRd32.exe 95 PID 2064 wrote to memory of 2244 2064 AcroRd32.exe 95 PID 2064 wrote to memory of 2244 2064 AcroRd32.exe 95 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 3400 2244 RdrCEF.exe 97 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98 PID 2244 wrote to memory of 2200 2244 RdrCEF.exe 98
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\3c1886461b105460316ea5e17098948b.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:2064 -
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:2244 -
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=BF413E7DBE4BCD2D5E8E4FACEB55E56A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3400
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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=7B7D62EBB0B46F387229804D55516049 --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=7B7D62EBB0B46F387229804D55516049 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:2200
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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=392265F8DE834F656CC010F361BA38BC --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=392265F8DE834F656CC010F361BA38BC --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵PID:3492
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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=B815C0CA4B1E31A9BA4F6B776579294D --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4272
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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=C793A943289A68BBAC23AF3BD50CC280 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4280
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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=1C19A87A3B1A49122932C43B577D48B7 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2388
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3064
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD530680962646716dc51270f72e81ed18b
SHA15ec2f12529b08c8ffe48a635e58851c29e678f31
SHA256eeeb9eef42d4b219155c694a70ada6e81318235d341cc11827ce0299acb0ba86
SHA512f7f2b79586fb3222403f57951eabefb4e514da15926d2baf96a53874fd7fa7608bfbb11d21f645dd30d3b5cb33a3c75557d1ff7bfdb595e86746fe08c66d1146
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5