Analysis
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max time kernel
5s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 13:51
Behavioral task
behavioral1
Sample
38b60c8d52bcee11dcc6ac3dad8f9f15.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
38b60c8d52bcee11dcc6ac3dad8f9f15.pdf
Resource
win10v2004-20231222-en
General
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Target
38b60c8d52bcee11dcc6ac3dad8f9f15.pdf
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Size
71KB
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MD5
38b60c8d52bcee11dcc6ac3dad8f9f15
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SHA1
d96004c09c8491ef8a745499967ce84bdf0b5798
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SHA256
65371792189b7273aa59874c1e5d64fe013cfaf0c4f8a016f923895529b1ff88
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SHA512
217c98ea8200b06b25e1e1365469e087006d93f759ee77321be193f0a9d0cb641a698e1461e4f485ebca2192b04b62863267a1e349ab0f25c0e5c5b5f2bb8a75
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SSDEEP
1536:FgvakgUmTEOTaS/+Oe8lsmIVTXRGp74ZGlrlJxfQ/vykWq:2vazoOTaS/+O+jhXRGpBrIiu
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3672 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3672 AcroRd32.exe 3672 AcroRd32.exe 3672 AcroRd32.exe 3672 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3672 wrote to memory of 1600 3672 AcroRd32.exe 91 PID 3672 wrote to memory of 1600 3672 AcroRd32.exe 91 PID 3672 wrote to memory of 1600 3672 AcroRd32.exe 91 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 3960 1600 RdrCEF.exe 93 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 RdrCEF.exe 92 PID 1600 wrote to memory of 4680 1600 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\38b60c8d52bcee11dcc6ac3dad8f9f15.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3672 -
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:1600 -
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=5AE837C9C376E2A34CE9DF343237101E --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=5AE837C9C376E2A34CE9DF343237101E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵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=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=75857DF000F7F54054612380A48DA489 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3960
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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=C45E862644D8EF013D05F0C718E47C4E --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2880
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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=2AE7F9ADA0D4A7FACA7C69BEBA3DB33F --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=2AE7F9ADA0D4A7FACA7C69BEBA3DB33F --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:13⤵PID:4900
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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=C3F2DCDABEFA9EDA68AC474802C12FFE --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5004
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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=9DE61F3CDDD64078DB80D7A608EA35BC --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2348
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5d49f5255b9795662c458b8c57e955d1c
SHA16c620e6a429d7d9acc3816b721620776fb11e5e4
SHA2562b62a9d6343de10899a8af086bf35d58e301327112ef1379acee8bac77848b11
SHA51210501b159d19fba09aeb54d9384bdc4a0f716c1d7a25f69fbd1a810bfc4eda505d6397adbf4c57d5d558c7ddf7e6186aa67c249bedbf48041c228d3c887208df
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5