Analysis
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max time kernel
103s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26/07/2024, 20:36
Static task
static1
Behavioral task
behavioral1
Sample
51fd6da8b70138fec4caac718c04cb10N.pdf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
51fd6da8b70138fec4caac718c04cb10N.pdf
Resource
win10v2004-20240709-en
General
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Target
51fd6da8b70138fec4caac718c04cb10N.pdf
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Size
597KB
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MD5
51fd6da8b70138fec4caac718c04cb10
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SHA1
7242707b4a2f5ecd81dbafd6ddb9ec66b1afae7b
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SHA256
18e7e4cde6927d4cc8858f8d18ed9a1b5e131444a4ee62afe8a0aec81d6fa88a
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SHA512
b80d55ef3f8ee43bd7b7879f936d77123559bc1ecf6f819494bd81829fe450b396f8c204fa3d27693fe82467a7329d0dc1a716a023e0f9db817a3e50a95d285c
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SSDEEP
12288:lffrDFuBAtxAleJn1wxqX8fXPEBuiC5Hu8jte+XIOh3HRiBlyW4:lLDoWSkwNf/EBHCxu8JYq3H8BlyX
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 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 -
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-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 224 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe 224 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 224 wrote to memory of 3252 224 AcroRd32.exe 91 PID 224 wrote to memory of 3252 224 AcroRd32.exe 91 PID 224 wrote to memory of 3252 224 AcroRd32.exe 91 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 2528 3252 RdrCEF.exe 92 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93 PID 3252 wrote to memory of 4392 3252 RdrCEF.exe 93
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\51fd6da8b70138fec4caac718c04cb10N.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:224 -
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:3252 -
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=1FC41F81FE250EDB06CF988B519925F5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2528
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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=EA40343CA8301238B9860CFA43B3AAD9 --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=EA40343CA8301238B9860CFA43B3AAD9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4392
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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=C3B8BA09481D8EF02390DAF5C8979D50 --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=C3B8BA09481D8EF02390DAF5C8979D50 --renderer-client-id=4 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:5056
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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=375BF5BC8AF61A9C07F121731234209D --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4408
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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=2E73A3FAEC2B2F62F3D3633B184815B1 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4828
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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=D31C8515295C367E2BF4D3A0FFC1F7EA --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5bcd0a0bcf55925e601dc1f2d5ca424b8
SHA120b595820b56a48b86a877458d43167f1800479f
SHA25652de3233c2672a5073f9e4c3a3c3ef4bc2df401632310f132660be77bd12da5d
SHA512ea4ceb1ef3ab9f107c6e2a690af36743e7fc29862401ee45268c0125b44e27b5201cf61e55e43a388ec3c79784bf441b943bf5c83501eef4fd0d407ecb9f8a94
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5