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Analysis
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max time kernel
140s -
max time network
63s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 03:21
Behavioral task
behavioral1
Sample
26369111d84b4551ae5ba8814ec0b2b4.pdf
Resource
win7-20231215-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
26369111d84b4551ae5ba8814ec0b2b4.pdf
Resource
win10v2004-20231222-en
5 signatures
150 seconds
General
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Target
26369111d84b4551ae5ba8814ec0b2b4.pdf
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Size
15KB
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MD5
26369111d84b4551ae5ba8814ec0b2b4
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SHA1
bd9d532fe4adb6725c70962b425a04a4cbcd86df
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SHA256
9abb250ecb688b8dd321c888965f72c96ac0d368e1149eb591edd9c5be266554
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SHA512
32b5dbe9e76412e1b2e804503e94487589a85cc4aebe1e9c0d4a2956a43e99883f1393babaaeb43fa3899e25fa97297b953aa9deed28c77332bcb0ab136fb0c0
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SSDEEP
384:hJAlqfBpqxs4/f4WYr3VWIEPr66LpS5wwZFJ+:hJHP4YWYgzDIP8
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe 4808 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4808 wrote to memory of 2508 4808 AcroRd32.exe 92 PID 4808 wrote to memory of 2508 4808 AcroRd32.exe 92 PID 4808 wrote to memory of 2508 4808 AcroRd32.exe 92 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 1112 2508 RdrCEF.exe 93 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94 PID 2508 wrote to memory of 4316 2508 RdrCEF.exe 94
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\26369111d84b4551ae5ba8814ec0b2b4.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4808 -
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:2508 -
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=D18C52080EAD30AEE93479828D276CC8 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1112
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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=849CC57561CC03EC1F3A4A1BE863D648 --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=849CC57561CC03EC1F3A4A1BE863D648 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:13⤵PID:4316
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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=9C1B5AFB9B90390E3300AFEDAD677812 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3948
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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=902168307C392FFD94CBA69A1BF0A27E --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2024
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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=1BF1ED73E47EBECEB261499E445256DA --mojo-platform-channel-handle=2228 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4476
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4824