Analysis

  • max time kernel
    168s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 16:32

General

  • Target

    8ad4e92a492cf239ade13950a35c8864c3a331399ed15b8d34c7d614b813d124.exe

  • Size

    172KB

  • MD5

    62a60af921d7229704c48d1a46987078

  • SHA1

    22a39919aa949655ca070a38c8a79d20f4d0f95f

  • SHA256

    8ad4e92a492cf239ade13950a35c8864c3a331399ed15b8d34c7d614b813d124

  • SHA512

    92c4b4030a79a746d165cf3d76277d670cadc68b712b92f74378932074190c32233cb2c469944a14834025345aa69e0c4bd659ef79e5377b460efab55c165039

  • SSDEEP

    3072:gLknHi90AoceDx86LGN++qkmnZRZKQtn/oZ1GxiRYivEvv1oSJtEooEJfEx:gLkC9cDxpGIQOOXXchJtExu

Score
10/10

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • UPX packed file 2 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:332
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:792
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
            PID:2444
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2416
            • C:\Windows\Explorer.EXE
              C:\Windows\Explorer.EXE
              1⤵
                PID:2152
                • C:\Users\Admin\AppData\Local\Temp\8ad4e92a492cf239ade13950a35c8864c3a331399ed15b8d34c7d614b813d124.exe
                  "C:\Users\Admin\AppData\Local\Temp\8ad4e92a492cf239ade13950a35c8864c3a331399ed15b8d34c7d614b813d124.exe"
                  2⤵
                  • UAC bypass
                  • Checks whether UAC is enabled
                  • Drops file in Windows directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  • System policy modification
                  PID:1124
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3416
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:3500
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:3344
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3256
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                        1⤵
                          PID:2976
                        • C:\Windows\system32\taskhostw.exe
                          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                          1⤵
                            PID:2576
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3716
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4668

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/1124-132-0x00000000022C0000-0x00000000032EA000-memory.dmp

                                Filesize

                                16.2MB

                              • memory/1124-133-0x0000000000400000-0x0000000000421000-memory.dmp

                                Filesize

                                132KB

                              • memory/1124-134-0x0000000000400000-0x0000000000421000-memory.dmp

                                Filesize

                                132KB

                              • memory/1124-135-0x00000000022C0000-0x00000000032EA000-memory.dmp

                                Filesize

                                16.2MB