Analysis
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max time kernel
108s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 01:35
Behavioral task
behavioral1
Sample
a9dd2526fc3bd74f138544adb0533490N.pdf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
a9dd2526fc3bd74f138544adb0533490N.pdf
Resource
win10v2004-20240802-en
General
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Target
a9dd2526fc3bd74f138544adb0533490N.pdf
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Size
3.8MB
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MD5
a9dd2526fc3bd74f138544adb0533490
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SHA1
1389b2ffe1a209e8bed06424d392747fee7f5f0b
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SHA256
3c74f71b707e92a5f900e8749925582f2b78e8ebca9730299d896eabb31d6fd2
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SHA512
65d0f3529159bdf385a888e55677e985b3fc078b716358b3eed9da88b4ba7e28598b9ff393d8bb70e2b02dc7b0158293905b5892c022ffc256df2024a60cc6e5
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SSDEEP
98304:tp/Wdu1kNPt0JbT3SMmidR96b2yIIlgcNVq:LOAkN6JbmMxdR96bhIIVNk
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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1656 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe 1656 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1656 wrote to memory of 4104 1656 AcroRd32.exe 89 PID 1656 wrote to memory of 4104 1656 AcroRd32.exe 89 PID 1656 wrote to memory of 4104 1656 AcroRd32.exe 89 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 1076 4104 RdrCEF.exe 90 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91 PID 4104 wrote to memory of 2732 4104 RdrCEF.exe 91
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\a9dd2526fc3bd74f138544adb0533490N.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:1656 -
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:4104 -
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=FED9244E878FB29F2F798F559EE0C117 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1076
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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=37AFD600865B7E299C54BD40E4437BF9 --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=37AFD600865B7E299C54BD40E4437BF9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2732
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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=EF116AFB4ACDD3F5AEBD2C094C7D5EB0 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2080
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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=F9B6FC6B4AA34EFBCDA2E2A88E86F754 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4556
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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=D039C75CD6673D56845778ADC562D251 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2568
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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=3226AB138E603B5706CC26B6C09AB687 --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=3226AB138E603B5706CC26B6C09AB687 --renderer-client-id=7 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4152
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:736
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5a66db877402b8d5c3c7b9b53b8b2cd13
SHA121873bb392b9042c2e36ce57129c6bb9aa6da6e7
SHA2566d8088ad27bf6082cb5a8e14503f7fb5b7246583f9fe649eeeb2b9aed2836534
SHA512fbf467379d60e17ddc9afe5491705e045aa5e1d9fb8d5d02d3656bdd2dc7cf98eeed27b7a01486c1f64c2c2608f53f7c9dc1faac54baf325a8ee55d23f813bff
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5