Analysis
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max time kernel
92s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 20:13
Behavioral task
behavioral1
Sample
5fec902d098ffe0801f8bafc0336b49e4a3ae3384edead82f3aef5979bbfa488N.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5fec902d098ffe0801f8bafc0336b49e4a3ae3384edead82f3aef5979bbfa488N.pdf
Resource
win10v2004-20240802-en
General
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Target
5fec902d098ffe0801f8bafc0336b49e4a3ae3384edead82f3aef5979bbfa488N.pdf
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Size
368KB
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MD5
bafd2eeac3c07cfc1f0a44a979205cc0
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SHA1
af3c46f7ab4e44ec2f99212f4e34d45534bb21a8
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SHA256
5fec902d098ffe0801f8bafc0336b49e4a3ae3384edead82f3aef5979bbfa488
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SHA512
386eac7ef212e9722d4514437acbfa8a1498bc2ff43404dcdd8037d47f2f772e6c9d36a720d7bd44424556861fb4319602a37681c51c83781b6f147a669a19a3
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SSDEEP
6144:7rnFsTy7N1MTjahDWpOcOyFX6zXQ9I5SauYmz0F6Bp7iarVB8NOq6W5PNSRO0xEL:XnFs2qjacpqyFXEQ+NN8BBikENOq64Pz
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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3876 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe 3876 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3876 wrote to memory of 1508 3876 AcroRd32.exe 82 PID 3876 wrote to memory of 1508 3876 AcroRd32.exe 82 PID 3876 wrote to memory of 1508 3876 AcroRd32.exe 82 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 2984 1508 RdrCEF.exe 83 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 RdrCEF.exe 84 PID 1508 wrote to memory of 568 1508 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\5fec902d098ffe0801f8bafc0336b49e4a3ae3384edead82f3aef5979bbfa488N.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:3876 -
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:1508 -
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=5FDABF3EE572B3438CD52C6F2358F288 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2984
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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=3865860EFF678A3488AC6F97DBB4236C --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=3865860EFF678A3488AC6F97DBB4236C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:568
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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=27E4D4B7E9C9CEABD18BCB272B043552 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1196
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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=202C78C409E70BFD9E621843273CD2DA --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2580
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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=77F52048D2B84B15556090BBA3BCE54E --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1372
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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=19924837D46C421CE9BADCB6C157259C --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=19924837D46C421CE9BADCB6C157259C --renderer-client-id=7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5060
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2452
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5096800c0797070c04e25d0a38d753c4e
SHA1daa3e578973caca5222f303547dd7434a83d0306
SHA256474e1177b721af72d1c62af3a2cbefb6e2a7e68505294505697a52804650184e
SHA5120ed180cca724ff2a12db7edc25c5cedf6e08dec73bb489051ed697161644c7f1747956dff4cc0160a074ed866b25219a26820f79eaf8e295bd1af9d6169d3e44
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5