Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 00:20
Behavioral task
behavioral1
Sample
re-00300.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
re-00300.pdf
Resource
win10v2004-20240508-en
General
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Target
re-00300.pdf
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Size
284KB
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MD5
56f431b17f25859adcb1a9d561053014
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SHA1
2f153bb52acd248bff43f9ad43e4ac058ce99272
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SHA256
2335395a05afa8bf1ccbc29628b8977e40ae0c4f5d985607041b92f5e1983494
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SHA512
0cdf0e7f16d83ff6e28bb9860549c94788e9cf718345ae7eaa05b9a73ac61b19325f430152841395f16250a8e555449b32129db3487f0bd8e80978d72f66ac1e
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SSDEEP
6144:zyyRI1I8zE+MIIIIIIIIIBTnZhfGwC4C7AM2V2a/ccccccccccccccccccccccco:zyyRMI8IdIIIIIIIIIlnZhOv4C7Tcbcq
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.
Processes:
AcroRd32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2768 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
AcroRd32.exepid process 2768 AcroRd32.exe 2768 AcroRd32.exe 2768 AcroRd32.exe 2768 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2768 wrote to memory of 1320 2768 AcroRd32.exe RdrCEF.exe PID 2768 wrote to memory of 1320 2768 AcroRd32.exe RdrCEF.exe PID 2768 wrote to memory of 1320 2768 AcroRd32.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 1812 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe PID 1320 wrote to memory of 4496 1320 RdrCEF.exe RdrCEF.exe
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\re-00300.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
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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=404DD6EEAC56B99AD8B05D1E87D29AAD --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=120660060590BF498CAFA3E7E866D681 --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=120660060590BF498CAFA3E7E866D681 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵
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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=4F7760C42D2B8EC624DC77B9CA471455 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=7ED88303FFD5604F629487D692BB05A7 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=99F2736E0B53D1C182F4B2E816B61CAF --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
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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=7AC6D9ADDE592333F9E798567039417D --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=7AC6D9ADDE592333F9E798567039417D --renderer-client-id=8 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job /prefetch:13⤵
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5