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Analysis
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max time kernel
150s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2024, 09:08
Behavioral task
behavioral1
Sample
b85bdc014e1bf6a86dd8013591efc84b.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b85bdc014e1bf6a86dd8013591efc84b.pdf
Resource
win10v2004-20240226-en
General
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Target
b85bdc014e1bf6a86dd8013591efc84b.pdf
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Size
92KB
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MD5
b85bdc014e1bf6a86dd8013591efc84b
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SHA1
8063b22a70a97b5aa0f95d7c93a7d01691cfb8fe
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SHA256
77eda4501a30aaa99a23fc558f1122e3e553546b20a403bf742bbb2f12dea1eb
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SHA512
9c866e03d71c34df3688d800d9e5b309f1e1738bbef1af272286ee5a005475f89f15b277287477517413bc1aeb3b8dad4e7896192ee6f9d3313c9a4379a20bc3
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SSDEEP
1536:eQTjxm3p70dTyKQ7kfENAADWEUshGWDUmR4FfUfYodWLmn1M5/BWApO64Ycn/9E:zjxm3p70dT1gQENAALRDUgRQoV1M5/IG
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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1480 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe 1480 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1480 wrote to memory of 2256 1480 AcroRd32.exe 92 PID 1480 wrote to memory of 2256 1480 AcroRd32.exe 92 PID 1480 wrote to memory of 2256 1480 AcroRd32.exe 92 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 2684 2256 RdrCEF.exe 93 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94 PID 2256 wrote to memory of 1600 2256 RdrCEF.exe 94
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\b85bdc014e1bf6a86dd8013591efc84b.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:1480 -
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:2256 -
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=515AA5D1A599D08291014BBA808887FA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2684
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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=21B472CDAA5C868C4B6A699AD4F19723 --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=21B472CDAA5C868C4B6A699AD4F19723 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:1600
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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=6C3E9A34E71C169DE984196A1750F1F3 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1940
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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=A59B73BE51211045DDDF5E81943588F2 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2352
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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=04BB6CB7B9F791EBFD56102BEF4A328A --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=04BB6CB7B9F791EBFD56102BEF4A328A --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:13⤵PID:1816
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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=C6C5D7349B39BDA3D050672C2213926F --mojo-platform-channel-handle=2820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3684
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4608
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5b94c823b68dbf44f6d4bebbdfea8e49f
SHA14c04e367e8e65773da10df79aab66cca75c9a574
SHA25680ee19aedae9106f04e96004fb0066f6707488405a8279fd84879c3927f641f3
SHA5125c66a7691207f16cd545a172fec211aff834b5bdacea64995df583ba1a5fc4f4cb6666205a039ed48ced97d82b57881947a8599a1c3e7d825434093983fea290
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5