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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
04/01/2024, 22:48
Behavioral task
behavioral1
Sample
421cedb60a440f3ed7ccc1da00256cf1.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
421cedb60a440f3ed7ccc1da00256cf1.pdf
Resource
win10v2004-20231215-en
General
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Target
421cedb60a440f3ed7ccc1da00256cf1.pdf
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Size
31KB
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MD5
421cedb60a440f3ed7ccc1da00256cf1
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SHA1
2d5f5d1aed800621df47203642e712cdb3e20d9a
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SHA256
eabb70c51391c2cc63571c189c320488cd622efb692aa49dbc3269585a08b284
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SHA512
e4d6fac12b8f288ba7512db9fd91dccb7c49f44ff1c9b15ecbea90dfd9ecd0eea66f56e083cb17b53d5c6816067c8b06524bcddf4872355ed656da4c0d4e8012
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SSDEEP
768:4JSD9ea9rarP++aQTD3f0uLnLpOyINEqCY8oH91vC:4J7jrTDvDLxINXCY8MvC
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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2328 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe 2328 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2328 wrote to memory of 4136 2328 AcroRd32.exe 93 PID 2328 wrote to memory of 4136 2328 AcroRd32.exe 93 PID 2328 wrote to memory of 4136 2328 AcroRd32.exe 93 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3756 4136 RdrCEF.exe 94 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95 PID 4136 wrote to memory of 3432 4136 RdrCEF.exe 95
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\421cedb60a440f3ed7ccc1da00256cf1.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:2328 -
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:4136 -
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=91566B74008870D162EE38B762D07B91 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3756
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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=07A255CC8D0E3864FBC1AF61693C300B --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=07A255CC8D0E3864FBC1AF61693C300B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:3432
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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=9C6A44782E49C6574A9712EAE9325479 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4640
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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=F8102BBAF1C31FBC7961729511757109 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:436
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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=DFF6100BDB73AF8CDEA08D757CA6B67B --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=DFF6100BDB73AF8CDEA08D757CA6B67B --renderer-client-id=6 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:13⤵PID:5112
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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=BB543E26E202068A910996C53B939F1F --mojo-platform-channel-handle=2844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:468
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3212
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5189a89f60190cba446f6898c6f6e86f2
SHA1c9774d7e5b625db3474a919e6a813dbcff4db677
SHA256b7a9d5667a7cc31b9ed93c613f19e541bc055af07111385ec3f69fbee9774050
SHA512e088807554e0dd4da22d8a216bb9c92d2ce9a2103e34c401d670eeeb2876cd936750e7cd8dc5e80c59707f20850c4e425ce1568b44a3fe6ebb3b14a14f8290b9
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5