Analysis
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max time kernel
102s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-10-2024 08:22
Behavioral task
behavioral1
Sample
43ba8e1b23ec6a909d929e3561d91b29fb4bbfd434f4a4ee6103162b826852b1N.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
43ba8e1b23ec6a909d929e3561d91b29fb4bbfd434f4a4ee6103162b826852b1N.pdf
Resource
win10v2004-20241007-en
General
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Target
43ba8e1b23ec6a909d929e3561d91b29fb4bbfd434f4a4ee6103162b826852b1N.pdf
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Size
510KB
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MD5
cda59e86cfe37490a212066fdf68ae70
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SHA1
e78c6310897b8233e8c63326812a376299a78c17
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SHA256
43ba8e1b23ec6a909d929e3561d91b29fb4bbfd434f4a4ee6103162b826852b1
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SHA512
2d859f19aa616169f5bdace5574712496ed89eeed553920498491ed1e8a1b4122d062b5e4434c5d05308557090f28d15aeedb9574852b2c95c0299dedb7ffa1d
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SSDEEP
12288:YKlUrWTI4ZAPRKcaxd4IlrwjK3T24BUX4n:YKliEIrpK9xrw5N4n
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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4844 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe 4844 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4844 wrote to memory of 2388 4844 AcroRd32.exe 91 PID 4844 wrote to memory of 2388 4844 AcroRd32.exe 91 PID 4844 wrote to memory of 2388 4844 AcroRd32.exe 91 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 4004 2388 RdrCEF.exe 92 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93 PID 2388 wrote to memory of 484 2388 RdrCEF.exe 93
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\43ba8e1b23ec6a909d929e3561d91b29fb4bbfd434f4a4ee6103162b826852b1N.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:4844 -
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:2388 -
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=D1CF3691D5FDE95F05B37F93C0B8D7E5 --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=D1CF3691D5FDE95F05B37F93C0B8D7E5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4004
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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=C96B114D13CAEFF5FF6BAD8F3130EFBB --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:484
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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=FBC06D296D4A0AB1BC76E0085462C007 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1736
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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=5DE10C89D2B43CABF955285395D6751F --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=5DE10C89D2B43CABF955285395D6751F --renderer-client-id=5 --mojo-platform-channel-handle=2044 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4588
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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=A00207CB86D045434BFD93DFF9817D53 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2116
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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=05B31ED124630178FB74C48A4B32EC5B --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1448
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2336
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5c18b8d77b34938533af25d6b9b09c2ef
SHA1bff28b2f08e2421fb360faffd75f710009fcd7cb
SHA256323c04857153f6c7cac51d13375ad4770cb28d82204c8edd65a566a8839e346f
SHA5129c7b1b28b13eed558f9bb72af1c3a66f6865b8da9060f08c5dc7efedce32dabbf77842377114c84c3b986312fbbd74f2641c74260f9b4c435166f31181ba656a
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5