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Analysis

  • max time kernel
    124s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2023, 00:53

General

  • Target

    dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.exe

  • Size

    4.8MB

  • MD5

    ad4b27e7c2504f0dce351193e1d90032

  • SHA1

    ac85e45bd89e174edfc5daeea29cc6cafca29f91

  • SHA256

    dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36

  • SHA512

    8550df3a355a62af5021300fc48f477492fc8f897750e3ed89ea391b858fa33329313b66c10469c38887f4577df74301a7a67acd29abe2dda25f81960b82ee05

  • SSDEEP

    98304:CoMd9WqCSk4EGkBijqVx8g2E33MyyLF1qbVA4ZVJc1GlE:F6KSkukgj4BBaLFCrVJc1Gu

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • 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).

  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.exe
    "C:\Users\Admin\AppData\Local\Temp\dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3880
    • C:\Users\Admin\AppData\Local\Temp\is-4P4MN.tmp\dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4P4MN.tmp\dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.tmp" /SL5="$70204,4754795,54272,C:\Users\Admin\AppData\Local\Temp\dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3760
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:756
        • C:\Program Files (x86)\Common Files\TVGood\TVGood.exe
          "C:\Program Files (x86)\Common Files\TVGood\TVGood.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4652
        • C:\Program Files (x86)\Common Files\TVGood\TVGood.exe
          "C:\Program Files (x86)\Common Files\TVGood\TVGood.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4328
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 660
            4⤵
            • Program crash
            PID:4460
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1444
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:2364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4328 -ip 4328
        1⤵
          PID:1876

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          3.9MB

          MD5

          a02c21c4cc6dacace8dd30edf3db8f40

          SHA1

          542a86238ee24d31dca55703ae7e41ffeedbcbb7

          SHA256

          4cdb1e88c58916cefdd8a20e95261caf0f59f398136282aba4d8ddc3ccea71b4

          SHA512

          a6bbb3ce3cc8e1c44351e98e1fef3ee09d1dffd6cd8e88fa04ffc4269ac3ea10e62f5f9a1f7a8474dd15994869b0f80445e766632a32260726e6ea64f345ee53

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

          Filesize

          3.9MB

          MD5

          a02c21c4cc6dacace8dd30edf3db8f40

          SHA1

          542a86238ee24d31dca55703ae7e41ffeedbcbb7

          SHA256

          4cdb1e88c58916cefdd8a20e95261caf0f59f398136282aba4d8ddc3ccea71b4

          SHA512

          a6bbb3ce3cc8e1c44351e98e1fef3ee09d1dffd6cd8e88fa04ffc4269ac3ea10e62f5f9a1f7a8474dd15994869b0f80445e766632a32260726e6ea64f345ee53

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

          Filesize

          3.9MB

          MD5

          a02c21c4cc6dacace8dd30edf3db8f40

          SHA1

          542a86238ee24d31dca55703ae7e41ffeedbcbb7

          SHA256

          4cdb1e88c58916cefdd8a20e95261caf0f59f398136282aba4d8ddc3ccea71b4

          SHA512

          a6bbb3ce3cc8e1c44351e98e1fef3ee09d1dffd6cd8e88fa04ffc4269ac3ea10e62f5f9a1f7a8474dd15994869b0f80445e766632a32260726e6ea64f345ee53

        • C:\Users\Admin\AppData\Local\Temp\is-4P4MN.tmp\dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.tmp

          Filesize

          683KB

          MD5

          f507ce43ea08d1721816ad4b0e090f50

          SHA1

          e4f02bcd410bddabea4c741838d9a88386547629

          SHA256

          d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

          SHA512

          37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

        • C:\Users\Admin\AppData\Local\Temp\is-4P4MN.tmp\dcf403c3dc64433b35af88d73301100c0205b9a44f49addc6a655e47c5652c36.tmp

          Filesize

          683KB

          MD5

          f507ce43ea08d1721816ad4b0e090f50

          SHA1

          e4f02bcd410bddabea4c741838d9a88386547629

          SHA256

          d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

          SHA512

          37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

        • C:\Users\Admin\AppData\Local\Temp\is-EJ31C.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-EJ31C.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • C:\Users\Admin\AppData\Local\Temp\is-EJ31C.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • memory/3760-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/3760-95-0x0000000000400000-0x00000000004BA000-memory.dmp

          Filesize

          744KB

        • memory/3760-74-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/3760-71-0x0000000000400000-0x00000000004BA000-memory.dmp

          Filesize

          744KB

        • memory/3880-96-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3880-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3880-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3880-70-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4328-69-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-89-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-94-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-72-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-93-0x0000000000B30000-0x0000000000BDD000-memory.dmp

          Filesize

          692KB

        • memory/4328-76-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-79-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-80-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-83-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-86-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-67-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4328-90-0x0000000000B30000-0x0000000000BDD000-memory.dmp

          Filesize

          692KB

        • memory/4652-65-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4652-64-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4652-61-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB

        • memory/4652-60-0x0000000000400000-0x00000000007DE000-memory.dmp

          Filesize

          3.9MB