Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25/11/2023, 03:58

General

  • Target

    a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.exe

  • Size

    4.8MB

  • MD5

    31e6ecf80fc17ea3ef45bea523f08a0a

  • SHA1

    e32d343117fa0cf3deb535acfa4bc6450625d132

  • SHA256

    a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843

  • SHA512

    15de6a99cbff49fccfc187d1886527ec5028808f83785f27c41cee814cf390462f3ca860f9c5c6c6ff9658df24b1b9651f08c408f7a9b006c1006d8c397d40e1

  • SSDEEP

    98304:/oMd9WqCSk4EGkBijqVx8g2E33MyyLF1qbVA4ZVJc1GlE:Q6KSkukgj4BBaLFCrVJc1Gu

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\a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.exe
    "C:\Users\Admin\AppData\Local\Temp\a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\is-BPBPT.tmp\a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BPBPT.tmp\a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.tmp" /SL5="$B01E0,4754795,54272,C:\Users\Admin\AppData\Local\Temp\a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4464
        • C:\Program Files (x86)\Common Files\TVGood\TVGood.exe
          "C:\Program Files (x86)\Common Files\TVGood\TVGood.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4740
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1488
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:312
          • C:\Program Files (x86)\Common Files\TVGood\TVGood.exe
            "C:\Program Files (x86)\Common Files\TVGood\TVGood.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3496

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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-BPBPT.tmp\a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-BPBPT.tmp\a2b3220aa386695a0302b928bc307b696c7a216759abaa5f7a9c43a258b7a843.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • \Users\Admin\AppData\Local\Temp\is-4B8G4.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-4B8G4.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • \Users\Admin\AppData\Local\Temp\is-4B8G4.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/3496-68-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-75-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-118-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-113-0x00000000009A0000-0x0000000000A4D000-memory.dmp

              Filesize

              692KB

            • memory/3496-112-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-121-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-100-0x00000000009A0000-0x0000000000A4D000-memory.dmp

              Filesize

              692KB

            • memory/3496-109-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-106-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-71-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-103-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-114-0x00000000009A0000-0x0000000000A4D000-memory.dmp

              Filesize

              692KB

            • memory/3496-76-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-77-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-80-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-83-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-86-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-89-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-90-0x00000000009A0000-0x0000000000A4D000-memory.dmp

              Filesize

              692KB

            • memory/3496-91-0x00000000009A0000-0x0000000000A4D000-memory.dmp

              Filesize

              692KB

            • memory/3496-96-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/3496-99-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/4740-60-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/4740-64-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/4740-65-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/4740-61-0x0000000000400000-0x00000000007DE000-memory.dmp

              Filesize

              3.9MB

            • memory/4760-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4760-1-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4972-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/4972-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/4972-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB