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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
02/01/2024, 16:54
Behavioral task
behavioral1
Sample
3e82e549f665a077ec60b237ecef9e76.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3e82e549f665a077ec60b237ecef9e76.pdf
Resource
win10v2004-20231215-en
General
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Target
3e82e549f665a077ec60b237ecef9e76.pdf
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Size
35KB
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MD5
3e82e549f665a077ec60b237ecef9e76
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SHA1
c8ec38b13b9daab908cb9983ccb8df894100fb17
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SHA256
edcbe78fc657d4fdf827ee5ecd9fbdaae61d5ca7ac6093abd35d384178170733
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SHA512
e11244aa92726961935ec18e98d30ec74c17418bbab8b29ceea4b51ced46bb54a19e198aee5a2b89ca8784d252f70412d313d72c879e3c251c8ca637b98b4565
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SSDEEP
768:lfL2q7/xUjTqmDECq5bUF70ujzBxVt1qvqiC4spIbDpF/SKKZHWHaNdiO+GB22:lfL2qrxYTqmDECYbUF706zBxVt1ZpaVI
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5076 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe 5076 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5076 wrote to memory of 3232 5076 AcroRd32.exe 91 PID 5076 wrote to memory of 3232 5076 AcroRd32.exe 91 PID 5076 wrote to memory of 3232 5076 AcroRd32.exe 91 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 872 3232 RdrCEF.exe 92 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 RdrCEF.exe 93 PID 3232 wrote to memory of 4124 3232 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\3e82e549f665a077ec60b237ecef9e76.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:5076 -
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:3232 -
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=06AB6D5C4DFEA10335073B12B2DD5DBB --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:872
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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=8F4D5DA9D6AA581CBB7081D51AA63894 --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=8F4D5DA9D6AA581CBB7081D51AA63894 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:4124
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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=A3D840F3E766BC92A7261A79A57A6EBD --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1720
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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=B6B189F020CC94BAEBF5C92813B3FB38 --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=B6B189F020CC94BAEBF5C92813B3FB38 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:13⤵PID:2920
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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=88A7D4AE1CF158B5AFB3DFFF63A23022 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3148
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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=ED244510D4FAF41E62E18CCE8088B0A5 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:684
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2464
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5aca025cda14d664bcea4d348431f38ff
SHA1c906fb5a69f4bfaf4cadcf3083b9a07da7d25d26
SHA256808ea15e3bb4d4f4f7292b058c89dc0616d20c8035ad8e344e41510aebed4f6f
SHA512bb50e0824c8f3adcd4244c9ee2f80bc9492a0b171e001ab296b971174ef53137ac7bc413ec9824de44a922f5c6d3df7067a230fdfe5b522b5501f8b2d805eef5
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5