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Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2023, 14:58

General

  • Target

    China-Linked Cyber Actors Hide in Router Firmware.pdf

  • Size

    651KB

  • MD5

    25a175cc62c22b8246f2c7f7f2230757

  • SHA1

    e2c8bde5a7ba2ea24174ff309e0647525bea1605

  • SHA256

    c98a3d79bda15c171adfc6d364937f9d64bde017df5282e7f99bc56ba93fcbfe

  • SHA512

    a31aa76d35af21d3429bd3042037fdc7991568ce887e133f66397ee949a5fabfa426e4192a74b4b2fceafc5c55a220b642d05a059217860b8a76cdfdc1a96824

  • SSDEEP

    12288:HOvoQ/p22rj2Oh6z+U6Rlr9pr45X7COVjNI8Ld05y0NuIMiRoqmZW3dw/wn+5VOZ:HOvJBF2OEyDjydtdq2qmENl+nOojCBfJ

Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • 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\China-Linked Cyber Actors Hide in Router Firmware.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:2424
    • 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=16514043
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3320
      • 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=DEEEB5211C9F491E32FBB07C24F9B35A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        3⤵
          PID:2264
        • 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=49389E08F543D31E5E17DFD7B06D355B --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=49389E08F543D31E5E17DFD7B06D355B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
          3⤵
            PID:2828
          • 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=18169CF0411B74B0B8570B930DDF225C --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=18169CF0411B74B0B8570B930DDF225C --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
            3⤵
              PID:1364
            • 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=73B57347B31FD2448905662C5AD5BBD4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              3⤵
                PID:3552
              • 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=34CD34DB0A03624ECB72FFA160C1BC36 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                3⤵
                  PID:2684
                • 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=40D66CB3015839FED5C434E63C7A625B --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  3⤵
                    PID:4860
              • C:\Windows\System32\CompPkgSrv.exe
                C:\Windows\System32\CompPkgSrv.exe -Embedding
                1⤵
                  PID:4836
                • C:\Windows\system32\rundll32.exe
                  "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
                  1⤵
                    PID:4784
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k UnistackSvcGroup
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3588

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                    Filesize

                    64KB

                    MD5

                    9ffefea2320a2f88af3dbc8add824ef1

                    SHA1

                    06a25e4147db1ddb73751d479633b13f1f6b984e

                    SHA256

                    0ace6386d414f9383fc273bb20340fb47aae951164f585b4c03a330516112e6a

                    SHA512

                    4e2570051f00c48fad10a932da3057bab1c76ee28757f12d406be2bc11e7ff5ac7b96b03e18967ae3b635a3d316f16858f04ee2519ea5c71c22e748feb934503

                  • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                    Filesize

                    36KB

                    MD5

                    b30d3becc8731792523d599d949e63f5

                    SHA1

                    19350257e42d7aee17fb3bf139a9d3adb330fad4

                    SHA256

                    b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

                    SHA512

                    523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

                  • C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                    Filesize

                    56KB

                    MD5

                    752a1f26b18748311b691c7d8fc20633

                    SHA1

                    c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

                    SHA256

                    111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

                    SHA512

                    a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

                  • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

                    Filesize

                    16KB

                    MD5

                    8cbb9d3fb641e1bec8a6ef66e2fc3a42

                    SHA1

                    83f10fd51637bf219e11ee9d6a637a3fd7597d0e

                    SHA256

                    36d0595859557920ba9336e28fb9164a3d043ee75dc83d2eaddab0851b8b37c6

                    SHA512

                    ff92ffba02f6bed0022dfc21287334128251c718ea4868e5c5401a5f88e285054f5ddad018ae9caf52d5d49f5fdf3c95a57af5b3780ca13b1bc0c6efe942bdad

                  • memory/2424-27-0x0000000007C20000-0x0000000007C41000-memory.dmp

                    Filesize

                    132KB

                  • memory/3588-203-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-207-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-198-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-199-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-200-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-201-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-202-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-181-0x000002019AE40000-0x000002019AE50000-memory.dmp

                    Filesize

                    64KB

                  • memory/3588-204-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-205-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-206-0x00000201A3430000-0x00000201A3431000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-197-0x00000201A3400000-0x00000201A3401000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-208-0x00000201A3050000-0x00000201A3051000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-209-0x00000201A3040000-0x00000201A3041000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-211-0x00000201A3050000-0x00000201A3051000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-214-0x00000201A3040000-0x00000201A3041000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-217-0x00000201A2F80000-0x00000201A2F81000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-165-0x000002019AD40000-0x000002019AD50000-memory.dmp

                    Filesize

                    64KB

                  • memory/3588-231-0x00000201A3190000-0x00000201A3191000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-229-0x00000201A3180000-0x00000201A3181000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-232-0x00000201A3190000-0x00000201A3191000-memory.dmp

                    Filesize

                    4KB

                  • memory/3588-233-0x00000201A32A0000-0x00000201A32A1000-memory.dmp

                    Filesize

                    4KB