Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:55
Behavioral task
behavioral1
Sample
75257f56b8d3e99acebcf7cafd520fb9.pdf
Resource
win7-20231215-en
General
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Target
75257f56b8d3e99acebcf7cafd520fb9.pdf
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Size
80KB
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MD5
75257f56b8d3e99acebcf7cafd520fb9
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SHA1
70dd11a345b00ea2a6546b14017c602cbfb43258
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SHA256
0f8f5d03de8eb7e88ad31ac630dd82cbdc361939fed933f653690747a8e3140c
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SHA512
79048109761e9c8761c84b80f01e4ac1091705902bf1679500c5ca72e4c6eca05b33b057ed497960fc3d1619851c70b5fd0d56f7d4b832ae0ebafdd4914bba23
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SSDEEP
1536:X0+nBHYbKcrfprjA9kgC5UqapUnpVn3MXo/PF8RWipOPIn8V/WWl8uU/cemAT7:EcBH6KcLprjALuLn3MgN8SPIGhlacXAX
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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1136 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe 1136 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1136 wrote to memory of 1516 1136 AcroRd32.exe 90 PID 1136 wrote to memory of 1516 1136 AcroRd32.exe 90 PID 1136 wrote to memory of 1516 1136 AcroRd32.exe 90 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 2900 1516 RdrCEF.exe 92 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 RdrCEF.exe 93 PID 1516 wrote to memory of 4056 1516 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\75257f56b8d3e99acebcf7cafd520fb9.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:1136 -
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:1516 -
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=F18FFEE70C4BDE6C9DCF63F844917A5D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2900
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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=A3F0D8C59094568316459A7F6C9DD194 --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=A3F0D8C59094568316459A7F6C9DD194 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4056
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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=09F192BE7D6D31BE5A846C1D78DF33D5 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4984
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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=32B2E668CB5740D03F2D9A346698EFBF --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=32B2E668CB5740D03F2D9A346698EFBF --renderer-client-id=5 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:13⤵PID:5116
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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=3F418AB569E44241A12E26CE3CC7FD92 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:788
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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=E13A36AFB1239E73EDEEE3A11079CBC0 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1296
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5a1532fe7fe535a8c196196287bab8f6e
SHA1d8de2887b3c820e2dadeda02b077828ef1ad1c6b
SHA25655a3c26af3968b50525d76ae14ee840806b56ecf865cf90b9ac6eed78a36a2bc
SHA51250b944136606fd2535f36a2cf59ab490303b823e482cd465411df6a3b2a8fdc14d3336ece3eb0b238ea24faba1cdee407dcc0966132971d99bad804ffa2da483
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5