Analysis
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max time kernel
140s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
09/03/2024, 22:54
Behavioral task
behavioral1
Sample
bd0437902ae070dc8e1f5386ef15e3a9.pdf
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
bd0437902ae070dc8e1f5386ef15e3a9.pdf
Resource
win10v2004-20231215-en
General
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Target
bd0437902ae070dc8e1f5386ef15e3a9.pdf
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Size
107KB
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MD5
bd0437902ae070dc8e1f5386ef15e3a9
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SHA1
1d97af5fd84f7e1f2f74975b8fd19e28566fa93e
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SHA256
8b1735d5c8606f68b4f916b21b94ac3f7a3c3732615547ce4baa790e5b3e235f
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SHA512
f4359a6ab30b086fda01cc9fa416ba204349d6f29914c8bdf63f8ca42034bfefe0606244392e2a0fb991539f2ad6c6685f4400319a1b4460550dfbecde71893f
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SSDEEP
3072:THmLBgHAMdfzLSXQa8sxMaZJMC9B2bqjvp0d:THmLBQAMNzLE8cjDj22hM
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4116 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe 4116 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4116 wrote to memory of 3236 4116 AcroRd32.exe 84 PID 4116 wrote to memory of 3236 4116 AcroRd32.exe 84 PID 4116 wrote to memory of 3236 4116 AcroRd32.exe 84 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5552 3236 RdrCEF.exe 85 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86 PID 3236 wrote to memory of 5544 3236 RdrCEF.exe 86
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\bd0437902ae070dc8e1f5386ef15e3a9.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:4116 -
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:3236 -
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=990D722A0B98A3AB77B156131CC1E44B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5552
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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=CA4CD54C93EA08551075A6C1BED60DB0 --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=CA4CD54C93EA08551075A6C1BED60DB0 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:5544
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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=2627B0C1CD4278C0EDAA744D789B86D9 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2716
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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=3D5DD9C1A35AE34CBAB04A1DC1E18BB4 --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=3D5DD9C1A35AE34CBAB04A1DC1E18BB4 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:13⤵PID:3944
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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=28C9FF50DD42FC46B928CE830789D06F --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4632
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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=9D3AA84DFBA0D585509901E88490275D --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5236
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:324
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD56a5af17bac41666536d660cfc1839ec1
SHA16b30651105242ea32c58f4c366273d83e45c4af3
SHA256a3b92004645758ed39ca76436067c08bb99b45a72e9e78e856422f9d987c051a
SHA51213e461312a0da8ff7106d498f86d715b9032a5d76f359af3b9753a5eb849129d9684867f3b08fd96392158f0a60f2f69ea754e054e631eb50e9e8da1e3cf711a
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5