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Analysis
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max time kernel
146s -
max time network
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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, 11:19
Behavioral task
behavioral1
Sample
a3a5f17b841ccca899948a4a144887c0.pdf
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
a3a5f17b841ccca899948a4a144887c0.pdf
Resource
win10v2004-20240221-en
General
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Target
a3a5f17b841ccca899948a4a144887c0.pdf
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Size
35KB
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MD5
a3a5f17b841ccca899948a4a144887c0
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SHA1
6aef06347ad7fa4fd7287464b9dc060b29af0f56
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SHA256
66e943e5afcd05fd6dc330efa4e42409d91cecf37c9e8256389047e3bd885120
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SHA512
6949c091f087325b8880731f4d21b6bc1d3d15d23b6d877b964034b07fa1378d48f298c2942c575b732f03cffe58e73e1f5ac6a8eefd82591a679923a300590c
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SSDEEP
768:MaiaI3Ve0GrsswzdJa7PoHGYWjP5nKz0ztLLJA6TFFc1lllYob2I7t:M6I3VenCCQHCVnaeFffcpiI5
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-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3520 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe 3520 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3520 wrote to memory of 3976 3520 AcroRd32.exe 90 PID 3520 wrote to memory of 3976 3520 AcroRd32.exe 90 PID 3520 wrote to memory of 3976 3520 AcroRd32.exe 90 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 3236 3976 RdrCEF.exe 91 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 RdrCEF.exe 92 PID 3976 wrote to memory of 488 3976 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\a3a5f17b841ccca899948a4a144887c0.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:3520 -
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:3976 -
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=F7C7B9530E278E3CF053FA214A57EDCA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3236
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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=4CA74685800D0909253DA51741BC5BC3 --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=4CA74685800D0909253DA51741BC5BC3 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:488
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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=27744532491615E50B8BF0F74330FBDE --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=27744532491615E50B8BF0F74330FBDE --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:3884
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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=DAEADB2A0F431178574E266BCF3B37B9 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1060
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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=783E789021E23C23A5A28943B302F51F --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4880
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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=BF22566C8E7AC2BC0CE76947B910615D --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2432
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1228
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD57e531cebb3da136880608c9c87e638b4
SHA1c0e4c4508f173b64ebc8f45a463e41e81d8d74fc
SHA2567969bd3b6a71f4ac9d00871dd7dd84eb909bd81690e31b9ce844b8903b3afbdb
SHA5120785af3937fa4cfbfbaa5fc8f64e4c4cbd600011ff562b2c68d819ab93d95c2a9b2d9b88d86efcfcf986b38b4502441633009233be5d522a60db76b877bd261b
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5