Analysis
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max time kernel
141s -
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
01/02/2024, 16:16
Behavioral task
behavioral1
Sample
87551d39212e9042b42e6d11ff0abec8.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
87551d39212e9042b42e6d11ff0abec8.pdf
Resource
win10v2004-20231222-en
General
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Target
87551d39212e9042b42e6d11ff0abec8.pdf
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Size
87KB
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MD5
87551d39212e9042b42e6d11ff0abec8
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SHA1
c3ff2feca8ee9e719702e755f966a7dd527bc1bf
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SHA256
b8c1cc75bd4af735304e23421fe599f84535a6e7b824342e3a824a1d7e453250
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SHA512
14d5cac9ce9154e6da2754d70dc6e7a1c31f5c1a48737728d96336568bd9690b72fb6a45fa523e315de8fea295fa40f4a704fdafe849834d182bbd1508a21c04
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SSDEEP
1536:KU2yV8vdAN10RXsmeCniFRj9Tnvl/CgJOef/9HeAayYMg7xGtSM0WcTWFgDGzRUK:Ayi1412e7F/vZCgwef1Hekxg7ilc0P+K
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 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2464 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe 2464 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2464 wrote to memory of 4496 2464 AcroRd32.exe 89 PID 2464 wrote to memory of 4496 2464 AcroRd32.exe 89 PID 2464 wrote to memory of 4496 2464 AcroRd32.exe 89 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 1280 4496 RdrCEF.exe 92 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 RdrCEF.exe 93 PID 4496 wrote to memory of 528 4496 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\87551d39212e9042b42e6d11ff0abec8.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:2464 -
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:4496 -
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=3224FB9BCAF00E0CC6D2550962E3768E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1280
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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=DE94A56C96307D347FE900C6C619A778 --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=DE94A56C96307D347FE900C6C619A778 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:528
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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=F2210A7E8E9BBC728A0980052687CFBD --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2052
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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=1573380FAB861A6C2D2AC61F44073DEF --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1064
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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=51879B18F54A96FCD6E0915B69721F46 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2944
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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=9B253BC0ABFF9392CE25A1F96532EB2A --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=9B253BC0ABFF9392CE25A1F96532EB2A --renderer-client-id=7 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:13⤵PID:4484
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2320
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD57501ddd7946170b90ce1e07aca55c050
SHA14bbc9900e50fbae47f115acb9ffaa324bdcc36ec
SHA256a13fd671482319624ce08311eca69cbded1766310560e6eb7fe81ea960624e2a
SHA5123bb549034d77061a06248429fd26cb43c2066e6cae9df642cd836ef6b938a268f5ccdb9092b2252393075d94909a8dc8d86b29d31ec5ca168adc53f7df609981
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5