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Analysis
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max time kernel
161s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2023, 12:46
Behavioral task
behavioral1
Sample
8d303900777dea5c2c205b03514f7e83.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8d303900777dea5c2c205b03514f7e83.pdf
Resource
win10v2004-20231215-en
General
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Target
8d303900777dea5c2c205b03514f7e83.pdf
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Size
46KB
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MD5
8d303900777dea5c2c205b03514f7e83
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SHA1
d20274af1ba567b3a47bba094147f3bd7f69763d
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SHA256
90e4511167c0d46ea0651f79d639ccbbfa5eec5862b4fa070bbacd803e6d28a9
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SHA512
4d056151c6d8f2132b40a6c4cc4feb115baa7a544d196750a2208aa2c36311879807df322edfe92f62368e76cd0ffc0c6d9b616ed1912ae5c0c0903d02c45783
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SSDEEP
768:Au9YWzDL3RhEk+/IPuwt29hJ9w8TpS7iD6dtq08yrdzFWhBwux6XHQ8S6qvZ3HvP:Au1DjTPuwt29hJ9w8TpS7iD6dA0ODwun
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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3444 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3444 wrote to memory of 2932 3444 AcroRd32.exe 96 PID 3444 wrote to memory of 2932 3444 AcroRd32.exe 96 PID 3444 wrote to memory of 2932 3444 AcroRd32.exe 96 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 404 2932 RdrCEF.exe 98 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 RdrCEF.exe 99 PID 2932 wrote to memory of 1104 2932 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\8d303900777dea5c2c205b03514f7e83.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:3444 -
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:2932 -
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=742C30378309FC192ADD15FC7A3AE6AC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:404
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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=108B36A14192E4AB01D6C5BF144EDBA2 --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=108B36A14192E4AB01D6C5BF144EDBA2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1104
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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=0F64614163C61BA632F4CC39F6DAD328 --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=0F64614163C61BA632F4CC39F6DAD328 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵PID:4684
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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=DADF680340EA8B625C47FE0A2F96CA45 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1600
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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=250E45D1138D0ED4045DCD5716ED6E45 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1656
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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=BD01D0E994953FB3040B72102E668A8C --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3400
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3796
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5307f022fbd17b0b42eb016f9184adf2e
SHA17f2c9a48b82603e3280842c3662392a7a5582b12
SHA25601203fa9907849ff12289b282d66f38dd63d770905b344a743a5ecb35f6b467e
SHA512596175689bf589ea7e10db6166e3681c07153cb439650d4cccc978974ac75ff349941d637bb881d00d7f4f32266d5f81f2dd5ab9d70ca3b68326d4d46ef711f2
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5