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Analysis
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max time kernel
142s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/12/2023, 11:39
Behavioral task
behavioral1
Sample
1623bbc84f7be20a1d9c53fce0f9d621.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1623bbc84f7be20a1d9c53fce0f9d621.pdf
Resource
win10v2004-20231215-en
General
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Target
1623bbc84f7be20a1d9c53fce0f9d621.pdf
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Size
76KB
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MD5
1623bbc84f7be20a1d9c53fce0f9d621
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SHA1
8f5db4b18dfd40299f415f1923c781c8e1af2835
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SHA256
c339cb982863364b700aae0e1c8a89d94d2e19772ed7af00f44cff25cd4572ec
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SHA512
467e3470d38f9d5f0bd3b9591c50a2545427849b7136bbb871a2567566a35dc96683c1da5679c2c83101e9c48992eafc6029ab02b737fcefb61166ab691aaf29
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SSDEEP
1536:liAgPoZuzvEsvFYPawnj7wbW88HtIWH7ntN2O5n8TMWepOyBVC:o/oZ0vTqxnj7wbW8CX7tNxyZya
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3092 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe 3092 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3092 wrote to memory of 2272 3092 AcroRd32.exe 92 PID 3092 wrote to memory of 2272 3092 AcroRd32.exe 92 PID 3092 wrote to memory of 2272 3092 AcroRd32.exe 92 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 4712 2272 RdrCEF.exe 93 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94 PID 2272 wrote to memory of 724 2272 RdrCEF.exe 94
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\1623bbc84f7be20a1d9c53fce0f9d621.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:3092 -
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:2272 -
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=BDDDC323C04F12F35C0FC6CA658C2FDC --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4712
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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=5682F3A67EE03CFB7BB11AC72DE18A13 --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=5682F3A67EE03CFB7BB11AC72DE18A13 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:724
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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=4051B22D084621589114BE16FD39A453 --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=4051B22D084621589114BE16FD39A453 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:1036
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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=62EDA5ECF564E4D6D763D09A86F8AA42 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:8
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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=3132E7CB81844572B0B9DE66F76AAD3E --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4468
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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=5784B70241AB856FB6D40FDF7486D371 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3524
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD57c12ee1e3ac8b515d6d2a980d98b4381
SHA139bb8e7d77c1f6dcb2d7b7efc7e3fa00bd19349d
SHA2563af4f4e33705e2b9efb93172f8e1f54b9127eb88e41d2f4233e1b8cc74b5c218
SHA5125664a408270025d6db9da07c6f9a05e9774901b231f307a92493dbc3e341a3747a804892205ecc5ee70fedb75b6e4044e9e5952bdabe95d742361713d7ec31b6
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5