Analysis
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max time kernel
110s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/09/2024, 01:57
Static task
static1
Behavioral task
behavioral1
Sample
d4ab837561a3bccff1e9e3f5d8602c50N.pdf
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
d4ab837561a3bccff1e9e3f5d8602c50N.pdf
Resource
win10v2004-20240802-en
General
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Target
d4ab837561a3bccff1e9e3f5d8602c50N.pdf
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Size
143KB
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MD5
d4ab837561a3bccff1e9e3f5d8602c50
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SHA1
55cdcec8a933e55a8c3fe3dce3375a11de1d44d0
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SHA256
abaf3be8297d3d5c13782ef3f6ac6c53bdba870f5d1216dafd23599380b61601
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SHA512
b745939eecd516529e347166bdf2dbb7cdb7b86d75f62722146f0c5d5a858897bad30511eefabc68da214dfd094288a05385451bea871700cbe0d2d8b0b9d3bc
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SSDEEP
3072:eb2jnCh1OngS5Q7GguUsDsVMYvsCORkRVt5fn+V:eb2jc3oGGguUsQOYvNORkp9+V
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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1388 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe 1388 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1388 wrote to memory of 4272 1388 AcroRd32.exe 90 PID 1388 wrote to memory of 4272 1388 AcroRd32.exe 90 PID 1388 wrote to memory of 4272 1388 AcroRd32.exe 90 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 3680 4272 RdrCEF.exe 91 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92 PID 4272 wrote to memory of 452 4272 RdrCEF.exe 92
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\d4ab837561a3bccff1e9e3f5d8602c50N.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:1388 -
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:4272 -
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=2665BA4A20DBC9D7E7C04FF6A3D40725 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3680
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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=A2D6C8425417A5D8063BF79E0C8C2064 --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=A2D6C8425417A5D8063BF79E0C8C2064 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:452
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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=141629BF0E1D415F65E99C7E5870FC65 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3276
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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=FE0F3D45D4891FA927125901630FDEFA --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2888
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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=C29715879AED1D00A62908A9473DFECF --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=C29715879AED1D00A62908A9473DFECF --renderer-client-id=6 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3532
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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=12465979CB2A19E585159FF718262E88 --mojo-platform-channel-handle=2788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4196
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1300
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD511198dbb8d703b93207a3a14013fe878
SHA1e502128a727296e2dc48bd9aad33dd5353dc06f6
SHA256b6d47eb539f3fa50b8972c28f11e9e24fecdd9ec19970e00b75c6a4ace1ad289
SHA512e8b75039d8d3f964b7d3307e0456b3fd877fb270669d0da9c47de25f5d42288924d16290cce967277cabb1e59aa08adc47057e154bb62e3b6bc823d8c8430835
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5