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Analysis
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max time kernel
96s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2024, 00:29
Behavioral task
behavioral1
Sample
bcf9ae137221f418ee96a6849ce625d85549ccacac605396cc5eedef3bb9f0fdN.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bcf9ae137221f418ee96a6849ce625d85549ccacac605396cc5eedef3bb9f0fdN.pdf
Resource
win10v2004-20240802-en
General
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Target
bcf9ae137221f418ee96a6849ce625d85549ccacac605396cc5eedef3bb9f0fdN.pdf
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Size
335KB
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MD5
9f4df77b1dc8cd900bf5dc7cbfc485e0
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SHA1
50f5b36be77cd9c1bd8ee808a1a020d7cdb910f7
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SHA256
bcf9ae137221f418ee96a6849ce625d85549ccacac605396cc5eedef3bb9f0fd
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SHA512
d25fac6fde948006ef3cc2e1b67aca648069a8680475bb26382d8019252f575fddf139a07e6e65e61344e114e510b5d3ef0f080af95d82d22bf9c6ba078ccc57
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SSDEEP
6144:ZMQYSPK2+z3j/+tzC/P6YpDluejeAonujDQ+pgaqBjzQdmnlAe2IORATPMPiDzx7:ZMQYWX+z3j/UC36iR7vQ+pgawj8dQ2Ir
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 AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3204 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe 3204 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3204 wrote to memory of 2588 3204 AcroRd32.exe 82 PID 3204 wrote to memory of 2588 3204 AcroRd32.exe 82 PID 3204 wrote to memory of 2588 3204 AcroRd32.exe 82 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 2128 2588 RdrCEF.exe 83 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 RdrCEF.exe 84 PID 2588 wrote to memory of 704 2588 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\bcf9ae137221f418ee96a6849ce625d85549ccacac605396cc5eedef3bb9f0fdN.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:3204 -
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:2588 -
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=0902D16F12472111A84490725358A8BB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2128
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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=668D748ECCEEB13DAE9707C6396245D2 --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=668D748ECCEEB13DAE9707C6396245D2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:704
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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=0D7287255623C1536CA40E64C3FC5CB0 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3116
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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=4208BBC6D1F5295B028F9CF2514767B9 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2220
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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=C60BCDD762E3C5AE96A6019152A051A6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2404
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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=60CEA4C4FA2CEE1E9D6D20159C92B7E7 --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=60CEA4C4FA2CEE1E9D6D20159C92B7E7 --renderer-client-id=7 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4004
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1004
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5ab850b8a12d5f75ce22b7251b29e3e34
SHA12d710a1c5c9ee0e9569bc54b49e8c2b6ff3fcb6c
SHA256f955a78c49314c6d33a8f4da9dca48d1443d728277c4f271968af37a4e3d8826
SHA5129c120e2c263d128891c46785cfc5762226ca6bae1cebac9927c9726393c477830297bec3235e985c48d5ee0a4b5257d1b6ee221890e8aa8ac490fe31682e19d7
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5