Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2023, 18:51

General

  • Target

    50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.exe

  • Size

    4.9MB

  • MD5

    34791d195c6349d0f5bdf1427cbd2c7c

  • SHA1

    401ba6ba3242c526fb3c82e6baa992a780ee9681

  • SHA256

    50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c

  • SHA512

    e1605e0f0ba9465a436870cc316365c2ac8007ea49fa45bcde5fe6d1d7339cbda1b715062769eab0d34c4439eb1b361b5a3799431b7184a0c82b02376f198958

  • SSDEEP

    98304:kc5LyCUfJ+K0OBvdcTIjudjbaS2mCWk/lS5pXHBN+zkQZMFzriQEQYlE:LzUfJ+K0OHcIjudbh21WQlSvBAEGQYu

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.exe
    "C:\Users\Admin\AppData\Local\Temp\50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\is-JP6C5.tmp\50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JP6C5.tmp\50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.tmp" /SL5="$70062,4923723,54272,C:\Users\Admin\AppData\Local\Temp\50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4912
        • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
          "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5008
        • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
          "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3628
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2796
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:4784

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe

              Filesize

              4.0MB

              MD5

              d8fb43a1267e2e61ebab8b3063b234db

              SHA1

              4b6cc720b15990c1f1a7b102e5ced7e5ddb11ce0

              SHA256

              3de538b525674a9412e62cdf89e5fdef96ec06eb1d929e7b9563aff8d49969fb

              SHA512

              5a849fea034c98abf504da3d69ae1dcea7cd58a65a4ce0048f192f91e465c6a1cabc5716db535b162c68239f345a5f78ad4e4353ac377c0ce330f34be8576c50

            • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe

              Filesize

              4.0MB

              MD5

              d8fb43a1267e2e61ebab8b3063b234db

              SHA1

              4b6cc720b15990c1f1a7b102e5ced7e5ddb11ce0

              SHA256

              3de538b525674a9412e62cdf89e5fdef96ec06eb1d929e7b9563aff8d49969fb

              SHA512

              5a849fea034c98abf504da3d69ae1dcea7cd58a65a4ce0048f192f91e465c6a1cabc5716db535b162c68239f345a5f78ad4e4353ac377c0ce330f34be8576c50

            • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe

              Filesize

              4.0MB

              MD5

              d8fb43a1267e2e61ebab8b3063b234db

              SHA1

              4b6cc720b15990c1f1a7b102e5ced7e5ddb11ce0

              SHA256

              3de538b525674a9412e62cdf89e5fdef96ec06eb1d929e7b9563aff8d49969fb

              SHA512

              5a849fea034c98abf504da3d69ae1dcea7cd58a65a4ce0048f192f91e465c6a1cabc5716db535b162c68239f345a5f78ad4e4353ac377c0ce330f34be8576c50

            • C:\Users\Admin\AppData\Local\Temp\is-D6V2I.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-D6V2I.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-D6V2I.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-JP6C5.tmp\50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-JP6C5.tmp\50590d666b103c75ac03883f699ac2fda36d61e72aa333a996a2d898eb13c23c.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • memory/1192-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1192-70-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1192-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2696-7-0x00000000005D0000-0x00000000005D1000-memory.dmp

              Filesize

              4KB

            • memory/2696-73-0x00000000005D0000-0x00000000005D1000-memory.dmp

              Filesize

              4KB

            • memory/2696-71-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/3628-91-0x0000000000A40000-0x0000000000AED000-memory.dmp

              Filesize

              692KB

            • memory/3628-89-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-67-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-119-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-72-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-116-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-76-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-77-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-80-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-83-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-86-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-69-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-90-0x0000000000A40000-0x0000000000AED000-memory.dmp

              Filesize

              692KB

            • memory/3628-112-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-96-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-99-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-100-0x0000000000A40000-0x0000000000AED000-memory.dmp

              Filesize

              692KB

            • memory/3628-103-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-106-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/3628-109-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/5008-60-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/5008-61-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB

            • memory/5008-65-0x0000000000400000-0x000000000080E000-memory.dmp

              Filesize

              4.1MB