Analysis
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max time kernel
96s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2024 12:16
Behavioral task
behavioral1
Sample
3cf3ab1c984efddf41217d13496ba718ec445e98b708f9901592e134d33c2adbN.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3cf3ab1c984efddf41217d13496ba718ec445e98b708f9901592e134d33c2adbN.pdf
Resource
win10v2004-20240802-en
General
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Target
3cf3ab1c984efddf41217d13496ba718ec445e98b708f9901592e134d33c2adbN.pdf
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Size
23KB
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MD5
f4fdd77416bd47a77f76735c0c6df1b0
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SHA1
18ea3758fbc75351c4450b4f9407244014ebd496
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SHA256
3cf3ab1c984efddf41217d13496ba718ec445e98b708f9901592e134d33c2adb
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SHA512
632a87e2da0779e9b909989c7399d5bbf073ff2ce804ef1c483583be5a9d90527fa98051791348339f4e1ecfad2fe69a0f3f657d5d9e14a2ba87ee8a013d85a6
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SSDEEP
384:6Y/aKtAD8GWcfkEIe7hKUNeA/5YSgCXXufmeDeCUSKGUQlMPhkJzgCHC2eidCUS4:78JWcJr5YxuXRtJeMJkNgMBj5qPpQ
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 AcroRd32.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 -
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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3076 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe 3076 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3076 wrote to memory of 3332 3076 AcroRd32.exe 83 PID 3076 wrote to memory of 3332 3076 AcroRd32.exe 83 PID 3076 wrote to memory of 3332 3076 AcroRd32.exe 83 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 1956 3332 RdrCEF.exe 84 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85 PID 3332 wrote to memory of 4252 3332 RdrCEF.exe 85
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\3cf3ab1c984efddf41217d13496ba718ec445e98b708f9901592e134d33c2adbN.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:3076 -
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:3332 -
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=6E499848EA29AF8137CED9C6357761BE --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1956
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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=1E0835AE0042B0375A1BC6A027C0F104 --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=1E0835AE0042B0375A1BC6A027C0F104 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4252
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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=54E8F2226BD4A8A0EC6EED1605127C24 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:876
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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=2354E19476F5A1A0B269F86D3124FDD0 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3452
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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=222764519AC11675DFBBDD4B626088E4 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1164
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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=1167AE701A9A3F221180C03DB86354AC --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=1167AE701A9A3F221180C03DB86354AC --renderer-client-id=8 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4936
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4772
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5e12e250da1f33cfdc7496bbed34b14db
SHA17b77167e3360db5e03989bc7e5b599ddff25b9a1
SHA25697341f74567375dfa5fa60b666ebd8e8db70d424205b2bb12343050f088bb032
SHA5120865bb5be447db0d7032d8238e20d4072796e8cc2b115a2aaa73614bc3fbc3b1a92a136fee2fddf045578095d2184f2385fd2e3ca9a4e8c1678cb2ab214a8d75
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5