Analysis
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max time kernel
103s -
max time network
140s -
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
RU.pdf
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Size
245KB
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MD5
83c0e5f411971b30b80cf3fc720ce824
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SHA1
346ea971649718ec8d0a46ddce3ad0883b9f9b1d
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SHA256
10316d60b15b848b2f7def6ee9f67719f8398520567bf8a7442f2aaab88a114c
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SHA512
27e3fcfd15e3705b720c01f85fad647ef6bf844fa96aeb68fd47f3bffaa6f572cbb2e2af2e12dd4f1e9a7546e3cbe733f2effeaea1a29f32dd8f062739a3686b
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SSDEEP
3072:np5grbj9E9UnbR+rwJji3rLJg2PnKPZxUtNXYy2tU7S/7ApCy5BBr9ZQlKFi/FS2:Li7G3rDKyth/w4SzAvBBr9Z0T/F/B
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-1-5-21-2423602651-1712563293-711691555-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1200 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe 1200 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1200 wrote to memory of 2344 1200 AcroRd32.exe 85 PID 1200 wrote to memory of 2344 1200 AcroRd32.exe 85 PID 1200 wrote to memory of 2344 1200 AcroRd32.exe 85 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4772 2344 RdrCEF.exe 88 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89 PID 2344 wrote to memory of 4756 2344 RdrCEF.exe 89
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\RU.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:1200 -
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:2344 -
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=DF23F13CF699FD496BBCE1CA1B6614C4 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4772
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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=5C41832778CA62DB059B033AB7998F6F --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=5C41832778CA62DB059B033AB7998F6F --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4756
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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=1F96DE1966CE5164DF5D5CC8841C82DE --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5080
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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=29F144F6FE9CF139D7FA90CF840EAF9D --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2236
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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=D473229822ACFD047951E65CB59FF724 --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=D473229822ACFD047951E65CB59FF724 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5028
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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=D451CABC1776791EF63638BEFB84DFC8 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2248
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD56bbdc97fb748cf6580dabf4aaf61a569
SHA123218a971138085972889242e7d4c0fc90723a43
SHA256988af0228c3c0ab2bceff761c1cd92224b882c800190f205b105b7afaf756133
SHA51291e2f3fcfce11c8159f0a5e661c61db57b2ae132a0959d7e4438eb233daaea6698dd1661201098df619ad5d4ed484825fac58124816d5c4640ed347559824e22
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5