Analysis
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max time kernel
33s -
max time network
35s -
platform
windows10-1703_x64 -
resource
win10-20220901-es -
resource tags
arch:x64arch:x86image:win10-20220901-eslocale:es-esos:windows10-1703-x64systemwindows -
submitted
27/09/2022, 20:30
Static task
static1
Behavioral task
behavioral1
Sample
00012 5540985006C OT-0922.pdf
Resource
win10-20220901-es
5 signatures
150 seconds
General
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Target
00012 5540985006C OT-0922.pdf
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Size
257KB
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MD5
3c988979f74f4be9dc77c23334ab3a0a
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SHA1
660b120f02882cb05f059bd195de9e5cd5cdd47e
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SHA256
8f334fc464c302ddc7f3049e4999ec690283e819e5f40b0bb14cc234277a54e6
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SHA512
a9572817e1e12569dda693a84c7639e49aeebd4889fb4203067ceb4cff9a2645ab6c5712cf9490526487a211e6b1347c205d6fe4579719610cc7a5c6f8b1aa3c
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SSDEEP
6144:f4SV2SacY+QLU9c1wfnK6SzYeqpK+oTF+B4q:fV1Y+YzwfK6SzY/pjmF+B4q
Score
1/10
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-1-5-21-2368682536-4045190062-1465778271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe 2596 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2596 wrote to memory of 4616 2596 AcroRd32.exe 66 PID 2596 wrote to memory of 4616 2596 AcroRd32.exe 66 PID 2596 wrote to memory of 4616 2596 AcroRd32.exe 66 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3732 4616 RdrCEF.exe 68 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69 PID 4616 wrote to memory of 3216 4616 RdrCEF.exe 69
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\00012 5540985006C OT-0922.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2596 -
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:4616 -
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=A9681E8EEBC4D80E90A1995DD61654E3 --mojo-platform-channel-handle=1616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3732
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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=FCB3971A31CEF23CC5A0523566A4138E --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=1 --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=FCB3971A31CEF23CC5A0523566A4138E --renderer-client-id=2 --mojo-platform-channel-handle=1632 --allow-no-sandbox-job /prefetch:13⤵PID:3216
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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=FFBE264AB058F3EF443C685763B6386C --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3328
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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=2B6D5A94A7DA4F054D158CCE6CBA1148 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4300
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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=80FBA9E481C93A8CE50CC7FE0F588076 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5096
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