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Analysis
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max time kernel
145s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 05:06
Behavioral task
behavioral1
Sample
481b998d5ae5b59a5018a0b261c14390.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
481b998d5ae5b59a5018a0b261c14390.pdf
Resource
win10v2004-20231215-en
General
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Target
481b998d5ae5b59a5018a0b261c14390.pdf
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Size
43KB
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MD5
481b998d5ae5b59a5018a0b261c14390
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SHA1
a2d2feda68a39cbf15ec8856430188078777dbc3
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SHA256
cb08e9074c57b1817555cafcf6fdd97ff6ce06b73aa31198e97adcaeb978d5e0
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SHA512
d2e197b9b0f20d475a82f1942e5c44b191caf920727532a9ab596259a70f2437c1eecc8fe46f210ba127a3c9e81932f9a73ab068e1c4c9c8ab0891c2a8e176b8
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SSDEEP
768:Es/7H+YoBpaADRoEWz95/DHBIh8rY8l5x7oL8IUTGnrxWz:z7erQs6J5/dS8rY8l5x7oL8I2Orgz
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4672 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe 4672 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4672 wrote to memory of 3032 4672 AcroRd32.exe 92 PID 4672 wrote to memory of 3032 4672 AcroRd32.exe 92 PID 4672 wrote to memory of 3032 4672 AcroRd32.exe 92 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 2924 3032 RdrCEF.exe 94 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93 PID 3032 wrote to memory of 4260 3032 RdrCEF.exe 93
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\481b998d5ae5b59a5018a0b261c14390.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:4672 -
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:3032 -
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=9EB00ED90871088D236E551016C459A7 --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=9EB00ED90871088D236E551016C459A7 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:4260
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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=9A3382F044092482D97CB001A45A10CD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2924
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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=8D3EC67E361F4C5235AD33C6A78095CD --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2412
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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=0DBEF24EAF4C15C36122A22C967DBFED --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4704
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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=BFB1F8995C803E73A19942E27771C897 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4208
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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=6110F61121ED0654B76CAB225547EE52 --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=6110F61121ED0654B76CAB225547EE52 --renderer-client-id=7 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job /prefetch:13⤵PID:4592
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD57230213db6f39b0c9731b16d1f709727
SHA15291fc999e5339b6d2ff139649a3a2ad025d9714
SHA25652805ac0924d7e950595ebe8613031d0d95054bbb46b0bb59883019884156a01
SHA5122fb1f0d04f6aff7178c14e8b519d219b78afb9931012ebaf90f1557ea38081a5077afbade1e1914d78a8fdbce68b6a1ffc6134e81cfaef7adc1b0c7a7cac0e72
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5