Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2024, 03:43
Behavioral task
behavioral1
Sample
4a58dce20c2a5983f373728a75f09191.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4a58dce20c2a5983f373728a75f09191.pdf
Resource
win10v2004-20231222-en
General
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Target
4a58dce20c2a5983f373728a75f09191.pdf
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Size
66KB
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MD5
4a58dce20c2a5983f373728a75f09191
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SHA1
ed62eae7a3a25b696ed0069094d7efffcf5047c1
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SHA256
ce9ac8cb247551a51f30ea8fd26d9eb6a14e656508dc71fbe9a43a8cffc5ae77
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SHA512
d8e923ee44f0dfe7e6e695cc91e2bd515b04a3256d1ac2d9a5beb0771627981fbfce310c40c0c88863d9d0a7a2fb990d371f4b9ea3909b1e53c92c67478c9a52
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SSDEEP
1536:KaXgArLfj0D+iLeqe9xwXCKElKnWtm8l9nOecxRqIur:NwA/70Ciyc0lKnWtpWLncr
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2572 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe 2572 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2572 wrote to memory of 4576 2572 AcroRd32.exe 90 PID 2572 wrote to memory of 4576 2572 AcroRd32.exe 90 PID 2572 wrote to memory of 4576 2572 AcroRd32.exe 90 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 1908 4576 RdrCEF.exe 91 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 RdrCEF.exe 92 PID 4576 wrote to memory of 3172 4576 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\4a58dce20c2a5983f373728a75f09191.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:2572 -
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:4576 -
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=971587DCFB6B3FB99404B3ECEFA7A5FE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1908
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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=DC41804B2FDE9456501BA3430BD74855 --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=DC41804B2FDE9456501BA3430BD74855 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:3172
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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=D8B5D21B64C8F923DF2E6C7C065C066B --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2592
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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=D0A9A86A5A4E68C2CCE34B02B5DC34B6 --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=D0A9A86A5A4E68C2CCE34B02B5DC34B6 --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:13⤵PID:996
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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=386D4CC7995626E3D0BD0A4C30BA7E70 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:716
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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=D7F5BE105ECF0EEC1E01A7384BAF6168 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1428
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1352
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD59a5c2dfb1e7ddce5a051fc9df4d67b14
SHA12753035cad2cdaba7f1f723e0b7351c0276a1ee9
SHA2568a0b31b088c5b25d2f7f551b329a18d07cf186a5649b9a5e5faeb3472647b810
SHA51235379254d25bf81edf92cd10bcb3c51391ac787593e37947fa8f08f20b1cd0b0ec6c3345113376bc45b5e21718232c6be4377a81c202cfa7a9bf4baf8f898f8d
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5