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Analysis
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max time kernel
144s -
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
29/12/2023, 21:01
Behavioral task
behavioral1
Sample
03e23cbfc142b96bb9267764a1e94c81.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
03e23cbfc142b96bb9267764a1e94c81.pdf
Resource
win10v2004-20231222-en
General
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Target
03e23cbfc142b96bb9267764a1e94c81.pdf
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Size
78KB
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MD5
03e23cbfc142b96bb9267764a1e94c81
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SHA1
ec95c905b7062508a787fc378ee58502a86eb8b7
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SHA256
9f1e368e4a040f95c03a92b513619d2a6596f225376ecd8e022468bd79ffb60a
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SHA512
1e46bb54ecdc2e19db62d4945aeaeea1804f54599ba80665c30a9de288a3a2cf0cf0345bc379f0658b594e4b1deec5aa346ea6c13bc5913e7580de2a636ca66f
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SSDEEP
1536:/m0AQQ0rHj0ETXeZX+qLckR4q1Ql1j6XjsLx1Ww9DgcEAgW8pO7bWG:VAQISeZOqLcm7ml1jZ5D8AL7L
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 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 532 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe 532 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 532 wrote to memory of 4820 532 AcroRd32.exe 90 PID 532 wrote to memory of 4820 532 AcroRd32.exe 90 PID 532 wrote to memory of 4820 532 AcroRd32.exe 90 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 4840 4820 RdrCEF.exe 92 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91 PID 4820 wrote to memory of 1240 4820 RdrCEF.exe 91
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\03e23cbfc142b96bb9267764a1e94c81.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:532 -
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:4820 -
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=1908C328140AF0F4939A1792F4B9D570 --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=1908C328140AF0F4939A1792F4B9D570 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:1240
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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=BEF51B07BD0CDC45EF8460B722298544 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4840
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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=3D3D69CF70991CBB6DF07DB6B40E71F8 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4912
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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=71040E9B65368AE71A25DC2A781E6B22 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2152
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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=B55E615DDE77982A2D698B72E429C360 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4872
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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=82F82C8F83A613E9760E175D44A481C8 --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=82F82C8F83A613E9760E175D44A481C8 --renderer-client-id=7 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:13⤵PID:4908
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2264
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5e244f8a7cccb1184f44cab5aea4ef964
SHA1083e5903a750ed4ac2e79e391a54c0c6cf2aec6f
SHA25663656d5e90256c28b9d9840052befd3d6eb4f7c3dccac8ac4ea7a2f70fde73d9
SHA512f36f6b95a7b51d17b97fe68e606135178f95237a2f3f75223243967c3a80fcef892acb7bee2d5864ce586b31d906620293e045ee0d19dde9d071392b3e247214
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5