Analysis
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max time kernel
141s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
25/02/2024, 16:07
Behavioral task
behavioral1
Sample
a43536bd8b2c9440289a3a33b5e0d35a.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a43536bd8b2c9440289a3a33b5e0d35a.pdf
Resource
win10v2004-20240221-en
General
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Target
a43536bd8b2c9440289a3a33b5e0d35a.pdf
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Size
44KB
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MD5
a43536bd8b2c9440289a3a33b5e0d35a
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SHA1
52eeea31fff6f1272907eccab369ff0427513f03
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SHA256
f671c0da2e7e287b6c647c61bbfc5ad7ea46dc89d5082821ec9454de31bfbfd5
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SHA512
0e2b092df2d974baffab8cc9f8278d7b9fc98af6062e50122ae02feb1edc51022678ffc9312c458a8bb77bf80403ebc2b7180b3a0bf6f57a890260594380e0f0
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SSDEEP
768:vkoY3SPmEnVy0C29cA+hqbgT7TPxnOGaWblmZ/CW15:8oRFRC7A+hqbgLPxba1FCW15
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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1008 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe 1008 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1008 wrote to memory of 464 1008 AcroRd32.exe 91 PID 1008 wrote to memory of 464 1008 AcroRd32.exe 91 PID 1008 wrote to memory of 464 1008 AcroRd32.exe 91 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 2576 464 RdrCEF.exe 92 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 RdrCEF.exe 93 PID 464 wrote to memory of 1140 464 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\a43536bd8b2c9440289a3a33b5e0d35a.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:1008 -
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:464 -
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=04F30F390F2817ACF0A456F5E84CB840 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2576
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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=038F8608AD6A75EBD57A4ACED983849F --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=038F8608AD6A75EBD57A4ACED983849F --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:1140
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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=0ECDC0F8745DA750ECEACD155B0F70B6 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1684
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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=159DF901B209A86EA7A191FEF9272748 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3624
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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=13A4D8CD1057E219404CAA2343F8C476 --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=13A4D8CD1057E219404CAA2343F8C476 --renderer-client-id=6 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵PID:2068
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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=56BB8A06601220ECF307D9F3FA959D56 --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1456
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1372
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5a2e98c53aa9575245dd53c262c0beaec
SHA12679558606a983c2827e0eb055641be8caa32424
SHA25663f837d1eb4aeb85ce674455bb48b8dcdbd2a723ec8b35a8e339513d39837255
SHA512ed51d69b9673ea9ea4d55cfd8f9cebfadf37478ab8f0e5efd4a5e2aba9722ba8b27a75eb5dec6a756b0fe8432f4f3540918f7e42784991346a19dd377399c193
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5