Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-09-2024 00:54
Behavioral task
behavioral1
Sample
739d25316e9b447074e4dee6c68fab1a8e598f99ca5f5e8442b2f8c8cea76631.pdf
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
739d25316e9b447074e4dee6c68fab1a8e598f99ca5f5e8442b2f8c8cea76631.pdf
Resource
win10v2004-20240802-en
General
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Target
739d25316e9b447074e4dee6c68fab1a8e598f99ca5f5e8442b2f8c8cea76631.pdf
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Size
68KB
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MD5
e9c506a7a41bd726bf6af80c048a89d4
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SHA1
bf65513b60ec5fcbe64bf9ac9427d006bbd782a1
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SHA256
739d25316e9b447074e4dee6c68fab1a8e598f99ca5f5e8442b2f8c8cea76631
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SHA512
0df005b9fb9c198b63a598d1261bde30a1d2ba2d3fb130889f7372944e72c6a020e138e743bb4bd18ea1a9caf5bf2681c1811b0384399e7f291142d4e913682a
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SSDEEP
1536:ppvRYBSasp5/AyKL8QfVjkqN+dKgv26ivr/gFWlWsm6UQlZvKt:nJYYaspdAIejk5dyN7dtLUCI
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1840 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe 1840 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1840 wrote to memory of 1912 1840 AcroRd32.exe 87 PID 1840 wrote to memory of 1912 1840 AcroRd32.exe 87 PID 1840 wrote to memory of 1912 1840 AcroRd32.exe 87 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 1252 1912 RdrCEF.exe 88 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 RdrCEF.exe 89 PID 1912 wrote to memory of 5072 1912 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\739d25316e9b447074e4dee6c68fab1a8e598f99ca5f5e8442b2f8c8cea76631.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:1840 -
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:1912 -
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=2C4CA5F317F1115AD3A346C60213A760 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1252
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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=87EF0AE3406E9AFCB4C23A2BE5190CEF --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=87EF0AE3406E9AFCB4C23A2BE5190CEF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5072
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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=7300995075FA36DB351BD3129959AE3B --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4260
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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=8DD75996E9E9E700DBF91DF6E2309B5D --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4620
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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=FDA72165EF745C9AB20A741D69A28C6B --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2416
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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=2D0554CA1DE019B3090DE7BBF2080FE6 --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=2D0554CA1DE019B3090DE7BBF2080FE6 --renderer-client-id=7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5622bf7873ace98d53411c7a4307c6ef0
SHA151ef4cad7f8e2045911adc92eef21c2cb9099044
SHA256a6570b4ece522023118d43e9e988c06a4745c4d5a2c4d071841650b324935ffb
SHA51294481c281515fcdb37ac56d556d565fc0283c82cb4594c5c94d04b85778ef37e24170f29f5ce091939a03e9b0d463e1b02625a802756ed7add121cfea86ee5ea
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5