Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
15/01/2024, 01:36
Behavioral task
behavioral1
Sample
5bcbb0ca37de2d51e28adf36cfb95f2f.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
5bcbb0ca37de2d51e28adf36cfb95f2f.pdf
Resource
win10v2004-20231215-en
General
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Target
5bcbb0ca37de2d51e28adf36cfb95f2f.pdf
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Size
82KB
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MD5
5bcbb0ca37de2d51e28adf36cfb95f2f
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SHA1
a66c3f628ae63093f76d36ffd2c363dd0bb34d1f
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SHA256
cbba3d354776a6c78f3d5abdc638c48f684a6c1c5ef369e22cfa65e82b873780
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SHA512
4024c2f2d6713546df289c647ae07c9bc9af349497d843d783111f89e616f79dd9d3dd623ff0726f92489eb87220d4056665d4585811268c10811e553de8fdfa
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SSDEEP
1536:MhoWG08RC8LL3tKM1ZdJA2FuJfDUxxB53YpV983pP2IrMdxt9SW6pOu26WvxlDXS:EDGs2LMM3dC2MJfYxVYpVu3pPIxt9/uN
Malware Config
Signatures
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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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3216 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe 3216 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3216 wrote to memory of 3912 3216 AcroRd32.exe 88 PID 3216 wrote to memory of 3912 3216 AcroRd32.exe 88 PID 3216 wrote to memory of 3912 3216 AcroRd32.exe 88 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3116 3912 RdrCEF.exe 89 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90 PID 3912 wrote to memory of 3872 3912 RdrCEF.exe 90
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\5bcbb0ca37de2d51e28adf36cfb95f2f.pdf"1⤵
- 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:3216 -
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⤵
- Suspicious use of WriteProcessMemory
PID:3912 -
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=CC9164456EA1DF47DCFAC227FCBFFEFC --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3116
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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=E0E527B4035760920868E3140BFDAAF2 --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=E0E527B4035760920868E3140BFDAAF2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:3872
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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=BEB3B65C008A0204F0D0218C649B61AD --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1624
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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=6229B620354BFBC9510B0D6035CD1D63 --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=6229B620354BFBC9510B0D6035CD1D63 --renderer-client-id=5 --mojo-platform-channel-handle=1780 --allow-no-sandbox-job /prefetch:13⤵PID:3644
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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=B3DB5AF3B1786B697790785DA0451939 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4500
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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=E54A0634FB22A2F682F2D20160F7B67C --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4464
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD59248ddd9f9fa4336e1bfca675ce590f9
SHA163d58f843cb3b580e91804094fa0abc8fee098e6
SHA256946cb1e6559d6028146b609da03f4442870d97d3af9e9e8bda07763b0f381fa7
SHA51282fe4553dd1fd6504625a805e06a99ddb5ee544becdee1481bcf0c3604d7a7779593ec8d7f86b6df9b297d6898790a302e775da556231ba5e55dee0afffd2aa6
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5