Analysis
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max time kernel
101s -
max time network
102s -
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, 19:54
Static task
static1
Behavioral task
behavioral1
Sample
4bf4ea87fbcea343812ac80a137089a0N.pdf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4bf4ea87fbcea343812ac80a137089a0N.pdf
Resource
win10v2004-20240709-en
General
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Target
4bf4ea87fbcea343812ac80a137089a0N.pdf
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Size
433KB
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MD5
4bf4ea87fbcea343812ac80a137089a0
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SHA1
4c0be66450f62c8e12cd5e77c991a9e94e06b2cf
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SHA256
9950696211f93bb728e9ba7e83e6f9825359cccfc8f456c40782abd3d0502438
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SHA512
5c3f8891ac8a1605642b0507aa7fbf2d9efddc086bd25addf8b0e2ba32c6a87b429faae98c780d93b0ce012d746211db72d6dfac18adf99f9ead42c8b28d83c8
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SSDEEP
6144:itEivfrTGdd3yxyJ2GZVnxkK0/NSrpyAJN0MVenkDEE3nmnDjBwQ/w0XyRYm9s4e:offrTGn3j0GZRyIr3nVey2jB+RYR
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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3832 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe 3832 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3832 wrote to memory of 2736 3832 AcroRd32.exe 89 PID 3832 wrote to memory of 2736 3832 AcroRd32.exe 89 PID 3832 wrote to memory of 2736 3832 AcroRd32.exe 89 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 2396 2736 RdrCEF.exe 91 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92 PID 2736 wrote to memory of 1016 2736 RdrCEF.exe 92
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\4bf4ea87fbcea343812ac80a137089a0N.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:3832 -
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:2736 -
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=6A166C5543C1EDDE6DC2D00448746541 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2396
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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=BB8BCD7C69495CC6376010E6C58FC08B --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=BB8BCD7C69495CC6376010E6C58FC08B --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:1016
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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=AD18CCE7AD831042CEE9237C4A303E86 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2860
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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=CEB00756C189BFA606C749ADB5FB4219 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4148
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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=6FDE431EEB735AB83D0BE155D96A5518 --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=6FDE431EEB735AB83D0BE155D96A5518 --renderer-client-id=6 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:748
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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=C6CA1898904F14680CCD491F1549DB03 --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2764
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:408
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD59a2eb6f5e8a0625535d818e8d25b158a
SHA155758b4113d5279ca8df6fb87e6a9916d511a1c2
SHA2566c76dc9a9078716961e1dc9a9e0595599eb4b2239e7c3f2638143e4f40ee05a1
SHA51252ff46da0a5e2b5badf975432e7b7acd248960a5e0eb734bc3d378e225c011d1ae586c28b6c2db268c02f46743922bc1f029d6c435f206b10c81be7dc12ef893
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5