Analysis

  • max time kernel
    145s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2023, 02:01

General

  • Target

    b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.exe

  • Size

    4.8MB

  • MD5

    9c8f61436cf8835f7b20bae0deac23c8

  • SHA1

    9b5afe04e2b277ff5f1de5db23391716b25c8e07

  • SHA256

    b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981

  • SHA512

    be7f9188eb165fc156be33dff4b39a53a6d2f0d7e79310c8f55385805447f01e1c4a949b4388668a30c6ca1d2ba2bd1ef02e70ed76bea5264c75532b710843ad

  • SSDEEP

    98304:koMd9WqCSk4EGkBijqVx8g2E33MyyLF1qbVA4ZVJc1GlE:D6KSkukgj4BBaLFCrVJc1Gu

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\b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.exe
    "C:\Users\Admin\AppData\Local\Temp\b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Users\Admin\AppData\Local\Temp\is-TS1J1.tmp\b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TS1J1.tmp\b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.tmp" /SL5="$700DE,4754795,54272,C:\Users\Admin\AppData\Local\Temp\b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4624
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2976
        • C:\Program Files (x86)\Common Files\TVGood\TVGood.exe
          "C:\Program Files (x86)\Common Files\TVGood\TVGood.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2124
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4760
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:3412
          • C:\Program Files (x86)\Common Files\TVGood\TVGood.exe
            "C:\Program Files (x86)\Common Files\TVGood\TVGood.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1164

      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-4K24Q.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-4K24Q.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-4K24Q.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-TS1J1.tmp\b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-TS1J1.tmp\b7a6bda510aa0c25c1d071f874b7a90cf8d4f2b59e95d82dc4c97bf190595981.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • memory/1164-87-0x0000000000A10000-0x0000000000ABD000-memory.dmp

        Filesize

        692KB

      • memory/1164-96-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-116-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-113-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-110-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-66-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-106-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-103-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-69-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-100-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-73-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-74-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-77-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-80-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-83-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-86-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/1164-97-0x0000000000A10000-0x0000000000ABD000-memory.dmp

        Filesize

        692KB

      • memory/1164-88-0x0000000000A10000-0x0000000000ABD000-memory.dmp

        Filesize

        692KB

      • memory/1164-93-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/2124-60-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/2124-59-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/2124-63-0x0000000000400000-0x00000000007DE000-memory.dmp

        Filesize

        3.9MB

      • memory/4624-70-0x0000000000510000-0x0000000000511000-memory.dmp

        Filesize

        4KB

      • memory/4624-68-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/4624-6-0x0000000000510000-0x0000000000511000-memory.dmp

        Filesize

        4KB

      • memory/4828-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4828-67-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB