Analysis
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max time kernel
106s -
max time network
112s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23-08-2024 06:08
Static task
static1
Behavioral task
behavioral1
Sample
846c539aa6a90cbbad74c385b7771800N.pdf
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
846c539aa6a90cbbad74c385b7771800N.pdf
Resource
win10v2004-20240802-en
General
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Target
846c539aa6a90cbbad74c385b7771800N.pdf
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Size
83KB
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MD5
846c539aa6a90cbbad74c385b7771800
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SHA1
3bc918baebe3cbddad130678958f31751e3c3c44
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SHA256
91960c0d4ab3a999f188c520d79bb0b8f8202c2ecded1e961be5e193eafd5e44
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SHA512
caf930b021b3d9940d124e7445198fb691c027b888f75de673c2ced048f375b1ce2c3de827495ae80373fe9605e7205e97fd4edaba7cbd8e4b2731bc3e2308ef
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SSDEEP
1536:ZBldrgW9uJeyQDhP53ZfURhWDq3KZQ/KthM+yffq14rYck/HUkb4Tx6AW9G2EaZz:ldrvwQDhP52b962bpfJhsUnTx6n9G+eS
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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3556 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe 3556 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3556 wrote to memory of 1000 3556 AcroRd32.exe 90 PID 3556 wrote to memory of 1000 3556 AcroRd32.exe 90 PID 3556 wrote to memory of 1000 3556 AcroRd32.exe 90 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 4680 1000 RdrCEF.exe 92 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 RdrCEF.exe 93 PID 1000 wrote to memory of 2172 1000 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\846c539aa6a90cbbad74c385b7771800N.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:3556 -
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:1000 -
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=B13324648608B4BF68FDEBA40DD25D02 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4680
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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=B57199C81CB0607963C53F5BB7021E27 --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=B57199C81CB0607963C53F5BB7021E27 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2172
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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=2DFD4D068718048D0342DB0954171690 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1356
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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=FA6979921BEEC8FD16594CF5D48A2A36 --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=FA6979921BEEC8FD16594CF5D48A2A36 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3704
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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=A969EF831BD4533EC6C3668062908A4E --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2900
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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=DAA2D734841F2DCD5D9F974491F5F72E --mojo-platform-channel-handle=2816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2816
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1968
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5658417b804e4dca7ac0ca307abe01cc0
SHA124e9b5726cbf3c1dca8684ad9478917c87020847
SHA2568d4e71d6063933508e530d8622f5ea5b7827d9573e8d7996ef97cfdb32db80c3
SHA512fb8097626ef3a690227fed7ccf2beb229807dec739ecd1e9f226219704398b95cfaa85ba196c7a643485328fa169fb380d431af96023db3bed32e4f5c12f1237
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5