Analysis
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max time kernel
102s -
max time network
138s -
platform
windows10-ltsc_2021_x64 -
resource
win10ltsc2021-20250314-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system -
submitted
27/03/2025, 17:30
Behavioral task
behavioral1
Sample
wallpaper-engine-new_aa68862888_VSTHEMES-ORG.zip
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral2
Sample
EN.pdf
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral3
Sample
RU.pdf
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral4
Sample
source.url
Resource
win10ltsc2021-20250314-en
General
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Target
EN.pdf
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Size
204KB
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MD5
c94dc81d95b0a463c34527260c92a3bd
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SHA1
9edf4ac25c3a57bd2641e0b55762ead824889646
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SHA256
5317a2561838fa34be40d9be33e3804c53f135f5cdbd22ac1e76b0d4a730740c
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SHA512
452b5d1a50a90582cdefaae839217cfa7808c5cb7343fbc64e455c8790a177677b30a33ff7aa7e4c5757799fb31fc2deda8b3ceaf7c5d17b2870d6610c981536
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SSDEEP
6144:6P3IiT3SjZFtv+jZbmkelXEjZ/d8MTUhC:6P3I+0+lbmFXAT81hC
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 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 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 -
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-1-5-21-809364120-1453366396-340093129-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2160 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe 2160 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2160 wrote to memory of 2764 2160 AcroRd32.exe 81 PID 2160 wrote to memory of 2764 2160 AcroRd32.exe 81 PID 2160 wrote to memory of 2764 2160 AcroRd32.exe 81 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 5136 2764 RdrCEF.exe 82 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83 PID 2764 wrote to memory of 2760 2764 RdrCEF.exe 83
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\EN.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:2160 -
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:2764 -
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=7CCEB8C9DFFE89218781B81B528FDE50 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5136
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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=E94CF97FC95403B82E2C656EF00A6399 --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=E94CF97FC95403B82E2C656EF00A6399 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2760
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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=F8F675EEF5D5FCCC177E616E39D32CBC --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3708
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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=1B47E8B21C5EE88B8BD2FE82710AF37A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4824
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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=B42041C8C0B7E50BBC0CC385CFBC5411 --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=B42041C8C0B7E50BBC0CC385CFBC5411 --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4736
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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=B182C90E65D558EF3CE5E07401D58731 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4724
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD56fa40806699487e12ec5844f1cb51f73
SHA1b9f821e0dfcf7d1f8ff3478b538f72fa063fd677
SHA2567e7e430e6e300043b37357d181387f95b4b020f62d5a318022d56af796007fcb
SHA5125796aaae7acdd45bd2091017d21c6e6a7e66aeb64c8be4230264439a3586f6121ee6b511fe6303a548a48226fd8f241b12371141ad75c3d5869db07249c1604f
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5