Analysis
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max time kernel
201s -
max time network
204s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2024 08:52
Static task
static1
Behavioral task
behavioral1
Sample
EU2--45D49cb020176e6CB1T.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
EU2--45D49cb020176e6CB1T.pdf
Resource
win10v2004-20240802-en
General
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Target
EU2--45D49cb020176e6CB1T.pdf
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Size
455KB
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MD5
36a553a37bf6230847edd3025754b396
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SHA1
d93355e1dc2b20b840b03812e208c92b4c26c9b9
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SHA256
29b067cf3473991a75d3061132f581fe96f8bc4d3d9093c07eb1794f7c8d6064
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SHA512
41211331915d545a6169eb744ed127e24758da9dbff61250e86d116efe7b93e03a6fb82959df1376e2cfe98815f1919b118074bd2625eae8f704735ffd85bcf0
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SSDEEP
12288:nPMscLfYGWhgYZyjauMfESdCZgLuRqoLsLwzs8sc+aVRxLop7PCqKPmDNI9y5T7w:nGbYq3ZgiRqopI/aVRxLop7PCqKPmDNU
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 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 -
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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1508 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe 1508 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1508 wrote to memory of 4816 1508 AcroRd32.exe 82 PID 1508 wrote to memory of 4816 1508 AcroRd32.exe 82 PID 1508 wrote to memory of 4816 1508 AcroRd32.exe 82 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 4296 4816 RdrCEF.exe 83 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84 PID 4816 wrote to memory of 1396 4816 RdrCEF.exe 84
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\EU2--45D49cb020176e6CB1T.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:1508 -
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:4816 -
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=27FFA1948DBB75D30C70B69A2C9CCC87 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4296
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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=18FFDCDEAE8905745EDE48FCB4EEA879 --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=18FFDCDEAE8905745EDE48FCB4EEA879 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1396
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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=D23EC0E485CBB4793913CC2D458EB5C5 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4784
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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=A729A705DBD7B86F3E8A12A1632BF671 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2076
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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=F062B2B4E110800572DAA9B89647B0BA --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4440
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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=B1EA4AAFAD559EE555CEC43C6A98B788 --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=B1EA4AAFAD559EE555CEC43C6A98B788 --renderer-client-id=7 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2264
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5b437ecd75d110a380f82b1472a674244
SHA12d58f53d9836be43a4e3706eb08f8859884c0481
SHA2564a1d110c935a289177b8dbbfc8d6f25bc914942b2d808c30c99dc93b088447c2
SHA512c1ce04b8a0cbeb479e72df99559927088ff6a21abef62c34d08257082311026b84f8247f6bb9635fcf5a0c1d8bec08bbe62f68bd7a618cf1ef1363d23b4239f8
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5