Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2024 05:32
Behavioral task
behavioral1
Sample
657e3e46d72310620f5cf0537fb23cf0N.pdf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
657e3e46d72310620f5cf0537fb23cf0N.pdf
Resource
win10v2004-20240802-en
General
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Target
657e3e46d72310620f5cf0537fb23cf0N.pdf
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Size
115KB
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MD5
657e3e46d72310620f5cf0537fb23cf0
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SHA1
3ee592aee26558a22bbe93d127feed7e7c130864
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SHA256
55481afbb9e53dab9e1eb0ce862a32efb40c1be309c6a6aa80e62d6539b5634b
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SHA512
104a7fa51b1c98b7a817c6ee870bb7c5149ec5f5b71487142eed3f8d518f6319d4cef13438282e70aab6bd6d6431f6b08218ac31d457fe2c6fc5e014dda1c4b4
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SSDEEP
3072:l5IoDLgDdkDh8via2grvAVzbzVBuSg9Ket:l9cJkDhLa7ro5zbuSwz
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 AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1900 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe 1900 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1900 wrote to memory of 208 1900 AcroRd32.exe 86 PID 1900 wrote to memory of 208 1900 AcroRd32.exe 86 PID 1900 wrote to memory of 208 1900 AcroRd32.exe 86 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 2784 208 RdrCEF.exe 87 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88 PID 208 wrote to memory of 4960 208 RdrCEF.exe 88
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\657e3e46d72310620f5cf0537fb23cf0N.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:1900 -
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:208 -
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=F472BC914EA651E14CAE0698E93846ED --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2784
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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=7E920E95BD7CC48832580594F77FC6E0 --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=7E920E95BD7CC48832580594F77FC6E0 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4960
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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=8BD4BA03B5D2C3343F8E67C01BCA8FB2 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4720
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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=9E82AED11754319DA9D88BF03E214F1E --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1744
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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=5A1275064909DC4B85D3CE266325E0C8 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3580
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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=39B28BB992BBE402F425716757326DD2 --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=39B28BB992BBE402F425716757326DD2 --renderer-client-id=7 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2376
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD54c2c40885ce26a251cddc18179a3053a
SHA13501594804f0d2a531938960d98672e23cd2c7d0
SHA256be4a47f0dfe94fcae6be8492365f5f64a4e83de352aa60200ca2af9869662c62
SHA51249ae97437d2c2021e004aa9bbc53a3e372259e01ced324afaf684485b23c28257f66b13f54c6e1c0b278d665916193e416173fe0ca89d523c0a29df2e3d0517f
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5