Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2023, 00:32

General

  • Target

    728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.exe

  • Size

    4.6MB

  • MD5

    fe306058cebb76614422b459f85beff8

  • SHA1

    0991442860ace3021c22144b382cc710bf500bd4

  • SHA256

    728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a

  • SHA512

    59c7fe237099883b763f33cb7c798516d5d4bd0a90b55196d26cbcbac87270085209723265ee79b3a7ee59fd479f2ad582cf3909982972d7f08c92b479751af3

  • SSDEEP

    98304:U5oCJriAVatRCRQuUBNCbnJUzcbgSYq+3wZ4MTwx3zXylE:pxYGJ6bnpsSn9TwBeu

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.exe
    "C:\Users\Admin\AppData\Local\Temp\728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Users\Admin\AppData\Local\Temp\is-6R7NO.tmp\728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6R7NO.tmp\728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.tmp" /SL5="$80224,4553531,54272,C:\Users\Admin\AppData\Local\Temp\728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3364
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3704
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4508
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1036
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:1184

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              3.7MB

              MD5

              eb3e3f3d9ad5f62afb6f6ef2eb417a85

              SHA1

              c97345a2ec7346c4ba14980e1cb857de1289d548

              SHA256

              88bd5712888c6b14aaf622f396e2af7020e59847f6c27ba66b8c82e878b24cc6

              SHA512

              d1c8c24c50c3770f30a879454f99bc0d40326a2acdc7bb6242a3cb3acf4257d921da45af213c848237a7ad438b3f2cc6fae2ab15e1b3f4082f68e8576d92a143

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

              Filesize

              3.7MB

              MD5

              eb3e3f3d9ad5f62afb6f6ef2eb417a85

              SHA1

              c97345a2ec7346c4ba14980e1cb857de1289d548

              SHA256

              88bd5712888c6b14aaf622f396e2af7020e59847f6c27ba66b8c82e878b24cc6

              SHA512

              d1c8c24c50c3770f30a879454f99bc0d40326a2acdc7bb6242a3cb3acf4257d921da45af213c848237a7ad438b3f2cc6fae2ab15e1b3f4082f68e8576d92a143

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

              Filesize

              3.7MB

              MD5

              eb3e3f3d9ad5f62afb6f6ef2eb417a85

              SHA1

              c97345a2ec7346c4ba14980e1cb857de1289d548

              SHA256

              88bd5712888c6b14aaf622f396e2af7020e59847f6c27ba66b8c82e878b24cc6

              SHA512

              d1c8c24c50c3770f30a879454f99bc0d40326a2acdc7bb6242a3cb3acf4257d921da45af213c848237a7ad438b3f2cc6fae2ab15e1b3f4082f68e8576d92a143

            • C:\Users\Admin\AppData\Local\Temp\is-6R7NO.tmp\728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-6R7NO.tmp\728a604969bec79631d8e00e899dc86f648889bfbab07ac5692d7c2478df532a.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-UR9TV.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-UR9TV.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-UR9TV.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/1008-6-0x0000000000660000-0x0000000000661000-memory.dmp

              Filesize

              4KB

            • memory/1008-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/1008-73-0x0000000000660000-0x0000000000661000-memory.dmp

              Filesize

              4KB

            • memory/1544-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1544-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/3704-59-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/3704-64-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/3704-63-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/3704-60-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-71-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-90-0x0000000000AC0000-0x0000000000B6D000-memory.dmp

              Filesize

              692KB

            • memory/4508-66-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-75-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-78-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-79-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-82-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-85-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-88-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-68-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-95-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-98-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-101-0x0000000000AC0000-0x0000000000B6D000-memory.dmp

              Filesize

              692KB

            • memory/4508-102-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-105-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-108-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-111-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-114-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4508-117-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB