Analysis
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max time kernel
181s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2023 13:42
Behavioral task
behavioral1
Sample
36f751f2e962dcff23119348bffc143c.pdf
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
36f751f2e962dcff23119348bffc143c.pdf
Resource
win10v2004-20231215-en
General
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Target
36f751f2e962dcff23119348bffc143c.pdf
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Size
89KB
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MD5
36f751f2e962dcff23119348bffc143c
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SHA1
2be3f1a05a3911209c5b168b52de388b36114178
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SHA256
ce1b23d7f8a120eba3575587de6f152cf868dd07515ccb06900f59b3b00e2cc8
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SHA512
893b7a5359dd74cd2304bd6180faa9975d56ebc468d5d7c2b3292ee487b38c83d8312f65e27141cea6c4c4f7db2e64d3aabea369b2a7743190217a09f57a65e6
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SSDEEP
1536:YzrSeedweFld3paa5FJsT3bIPXOoUOb2YIBsxWHpOvTWWPBeSccaqBI:CrSemwqjpaa5F2T3bIPPUOb2YIUv9BwB
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 22 IoCs
pid Process 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4004 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe 4004 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4004 wrote to memory of 1088 4004 AcroRd32.exe 95 PID 4004 wrote to memory of 1088 4004 AcroRd32.exe 95 PID 4004 wrote to memory of 1088 4004 AcroRd32.exe 95 PID 4004 wrote to memory of 852 4004 AcroRd32.exe 98 PID 4004 wrote to memory of 852 4004 AcroRd32.exe 98 PID 4004 wrote to memory of 852 4004 AcroRd32.exe 98 PID 4004 wrote to memory of 4716 4004 AcroRd32.exe 100 PID 4004 wrote to memory of 4716 4004 AcroRd32.exe 100 PID 4004 wrote to memory of 4716 4004 AcroRd32.exe 100 PID 4004 wrote to memory of 660 4004 AcroRd32.exe 101 PID 4004 wrote to memory of 660 4004 AcroRd32.exe 101 PID 4004 wrote to memory of 660 4004 AcroRd32.exe 101 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 3984 660 RdrCEF.exe 102 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103 PID 660 wrote to memory of 4328 660 RdrCEF.exe 103
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\36f751f2e962dcff23119348bffc143c.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:4004 -
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⤵PID:1088
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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" --backgroundcolor=165140432⤵PID:852
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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" --backgroundcolor=165140432⤵PID:4716
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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" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:660 -
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=DD5B917B19535C80C4250BA10AB8D56D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3984
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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=1DEF25E69B169C7858A90BA444A8F43D --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=1DEF25E69B169C7858A90BA444A8F43D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4328
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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=C1C5307FAE81919C51068C45A2644DAB --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4564
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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=00D62F26A92E5E12787A8C4DC441F2C4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5088
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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=403384F55AA09DD22B12A555AF6FCCBE --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1908
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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=EABAAECF1729CCED81FA87071E194F69 --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=EABAAECF1729CCED81FA87071E194F69 --renderer-client-id=8 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:13⤵PID:3324
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
64KB
MD544f4cca7af79967765e90dbdaa7a2d84
SHA1d5b10e0c31ea482da5397973f65e0c97999e5641
SHA2567d89194616353b1e7866dddcbbf79fde953deccc7b84e102c1577e16d77ca30b
SHA512c9a265dace3c54a25b1ca1a44f96bcc456f932d7a3699d959b3e17802b1afe21087d53de8e2fae4edded2151c34f28a9619682e9610523149267d52b207a10c6
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Filesize
64KB
MD5af177d7fdd33d0837eb4ac087a6c864b
SHA14129ca5d93faedd9db8e11829ad23dddd5160ca3
SHA2567f173822d099a5a6727648c75809bba0b06c5f719e4aa35900cd7a6e0ead9a1f
SHA512c38d12490924487af1beece60addad5383facde9519c7cf9a50548f69f4779e50ccd849fd3d6f7d41688aac697b0d52345092c79e63c988d65f02d19af09142c
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5