Analysis
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max time kernel
140s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2025, 17:27
Behavioral task
behavioral1
Sample
Untitled attachment 00016.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Untitled attachment 00016.pdf
Resource
win10v2004-20250313-en
General
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Target
Untitled attachment 00016.pdf
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Size
197KB
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MD5
61b2410c7dc8febc5dca9ef4b8cfeb6b
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SHA1
645a349146fe516c4bb9daa28d975d5dc2164218
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SHA256
2a3294d6ee5d0da5aedff905a9ec8dc524325c870d7c48c78bda0a8f11f60965
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SHA512
f9dc6bd0a3996285095ad892f0d0ca4d7567d6e636b2befbc8e593e4fd4157aad3695757c57a42313a50369f70b0cec32d27866cdab822f6c1a99ef01f1a9141
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SSDEEP
6144:CJRkz06AfmXm5pKBUrgd4l0KLuH41GKS1ZHH:CJRkI6AfmXmpKBUrPqKLuH+GKSnH
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-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4580 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4580 wrote to memory of 2072 4580 AcroRd32.exe 92 PID 4580 wrote to memory of 2072 4580 AcroRd32.exe 92 PID 4580 wrote to memory of 2072 4580 AcroRd32.exe 92 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 3692 2072 RdrCEF.exe 95 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96 PID 2072 wrote to memory of 4740 2072 RdrCEF.exe 96
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\Untitled attachment 00016.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:4580 -
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:2072 -
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=01AEC160D97686BF86878C011128C14D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3692
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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=05FD18E6967A590A7CB8D06CF318F361 --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=05FD18E6967A590A7CB8D06CF318F361 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4740
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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=1861BEB0BA5D6EDEED8CB1BE4FBC5F5D --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5188
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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=D9895776F18534CD75FDAFE594E8AC99 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3320
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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=11201A719E04B53881A9FCFB8CD06210 --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=11201A719E04B53881A9FCFB8CD06210 --renderer-client-id=6 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5512
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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=6CE8BE3B85F405193022C46EC1229FA2 --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4788
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5c821b2d37441c85fabff5b86b345c021
SHA15e84a57d9facfb805f29cee633d70d3a38c50b56
SHA256df196e8d6a19e1cc8d12acac8b965d1d7dc014329533499c64e32fcf870b5ecf
SHA512b775d2a0d57b62f9670855f6a9a149de6baf06d3b86853070aeb056c9d07410bd9401587dd0a0f063877c02edfd55da613918d59c6766741d38acf716ab6dd08
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5