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Analysis
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max time kernel
140s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
18/01/2024, 23:19
Behavioral task
behavioral1
Sample
664ca8db75d98b8fa536055dae1d3f2a.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
664ca8db75d98b8fa536055dae1d3f2a.pdf
Resource
win10v2004-20231222-en
General
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Target
664ca8db75d98b8fa536055dae1d3f2a.pdf
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Size
34KB
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MD5
664ca8db75d98b8fa536055dae1d3f2a
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SHA1
6c9d431ec29eb86fa4a027aa522074fcc7bb9af4
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SHA256
cbd2e221bbeb1199f0c144124c4d54be0bfc8c64d1d59ac5298744a77db14a77
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SHA512
244089c02d78b0aa3035a4033e90f3592037a5f059e0b4a42d8b0b77c7a38dd03b87f40e872bda7ddc5e0ab16bbf1be2ffafd1438fcc20a3d426ff4dff217226
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SSDEEP
768:T7uy4IBvKusR6HhsIBLZLSNTZaklSRAfllyfQGj2ENs:TiPIBCmp8ZakARA6f1vNs
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1452 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe 1452 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1452 wrote to memory of 2992 1452 AcroRd32.exe 97 PID 1452 wrote to memory of 2992 1452 AcroRd32.exe 97 PID 1452 wrote to memory of 2992 1452 AcroRd32.exe 97 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4124 2992 RdrCEF.exe 99 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98 PID 2992 wrote to memory of 4216 2992 RdrCEF.exe 98
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\664ca8db75d98b8fa536055dae1d3f2a.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:1452 -
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:2992 -
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=D42A62DD27F073490EF3BFED2888896A --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=D42A62DD27F073490EF3BFED2888896A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:4216
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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=2353BFEFC758288B25F687BE0BD55E25 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4124
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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=25C6BEF2B449889A2237C1CAF6957F98 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5032
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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=2E29F8DCAC639F5F1DE4703D00860703 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3540
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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=005DDEB4EB0FA291C06A02EA366B9F40 --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=005DDEB4EB0FA291C06A02EA366B9F40 --renderer-client-id=6 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job /prefetch:13⤵PID:2424
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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=0F4A4B8D871A7D6A5625514C706E6355 --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD50477ab4f9f83a0cb7525e4659ad2a98e
SHA1f160faac7e3187afbc43df8189da5a0549a11c51
SHA2566affc76c65583670c78b1a68d41ba84cfeede4a99dd4df6fb22bfe038f080225
SHA512d0f172559fcaa8e6a24889b73b522c6436c34089b5bb71a9693ad137ec7a89c25f61a99bbdcf1be024c2119382432464d81d38f44275e846ecc119c4e5eaefa5
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5