Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-10-2024 01:50
Behavioral task
behavioral1
Sample
cb41203b8125f084f5178345f388c38acee9052014471ee6b90a86baee209dbeN.pdf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
cb41203b8125f084f5178345f388c38acee9052014471ee6b90a86baee209dbeN.pdf
Resource
win10v2004-20240802-en
General
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Target
cb41203b8125f084f5178345f388c38acee9052014471ee6b90a86baee209dbeN.pdf
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Size
56KB
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MD5
221de4c2b74369351577a6bba036cc20
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SHA1
7989784eeaf13014fd1f4c8e98a13af6dffda46e
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SHA256
cb41203b8125f084f5178345f388c38acee9052014471ee6b90a86baee209dbe
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SHA512
137cad10b2c2a4f5e279914fd952e9d59198cf3a341a1cfd522a2d1be671fdcd2a6ec07bf29166146547daadd76ffd33e57c43ea84251dc58c6019a6b45e32c8
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SSDEEP
1536:3W0OJthl7dnSJ1dwSPdb69G5ZEKdKuac+Ui:3tU7dnc1KSPdd5ZIua1Ui
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3164 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe 3164 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3164 wrote to memory of 5056 3164 AcroRd32.exe 82 PID 3164 wrote to memory of 5056 3164 AcroRd32.exe 82 PID 3164 wrote to memory of 5056 3164 AcroRd32.exe 82 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2676 5056 RdrCEF.exe 83 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84 PID 5056 wrote to memory of 2024 5056 RdrCEF.exe 84
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\cb41203b8125f084f5178345f388c38acee9052014471ee6b90a86baee209dbeN.pdf"1⤵
- System Location Discovery: System Language Discovery
- 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:3164 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056 -
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=B512C68BBE6125A8BEFA1A1A36856FD5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2676
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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=1861842AD0AB4BF6AA1AE0E7C97BC9E0 --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=1861842AD0AB4BF6AA1AE0E7C97BC9E0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
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=B4C6BDF3544D1844AE217E290D32B0DD --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1532
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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=A0951C563986B32C72C9189887E79E00 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
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=A6DBE004FC477A3AD4C2B73282E15BFD --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=A6DBE004FC477A3AD4C2B73282E15BFD --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4580
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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=F02726A10EA5E889F4297A27200D64D6 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2020
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1804
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD57bb29e6f9ad703969bc4a1eead48a362
SHA1563408b310a1e2329bcf022f02bfcf7d21214430
SHA256678e31e74b1d2b6b93cdc4a700b6426de7702516ffd9cd353145045b75c43c06
SHA512513ab50cfc5ee7266027a35f7cca04bde4417e69cf52e0977648913099d498bebaffa7b16e4b5d929620bca4361e3372ef938127ab886a9c639cecfbc3bb9c29
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5