Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24/11/2023, 19:10

General

  • Target

    1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.exe

  • Size

    4.9MB

  • MD5

    a91531e12dd2f5c259353bb7da188daf

  • SHA1

    7c938cd42d1cb348eff0eba643c77d59b56e17c1

  • SHA256

    1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c

  • SHA512

    40f87abf003a3bd9f7399c5902a3faaf5d604cebb47810996dd4918ede3ce552b7a1b0e253006c17b1285d2a8676ac3a1ef478f5d89090d460c7d738f0664107

  • SSDEEP

    98304:0c5LyCUfJ+K0OBvdcTIjudjbaS2mCWk/lS5pXHBN+zkQZMFzriQEQYlE:7zUfJ+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\1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.exe
    "C:\Users\Admin\AppData\Local\Temp\1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Users\Admin\AppData\Local\Temp\is-R34EH.tmp\1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-R34EH.tmp\1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.tmp" /SL5="$6020A,4923723,54272,C:\Users\Admin\AppData\Local\Temp\1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4668
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1964
        • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
          "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1912
        • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
          "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2380
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5016
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:1240

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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-R34EH.tmp\1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-R34EH.tmp\1e588665172275fa1d99e328402ebf6192067c2a74deb4104772f709fe45a71c.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-4EP0U.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-4EP0U.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-4EP0U.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/364-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/364-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/364-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1912-60-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/1912-61-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/1912-64-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/1912-65-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-71-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-89-0x0000000000B00000-0x0000000000BAD000-memory.dmp

        Filesize

        692KB

      • memory/2380-117-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-114-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-111-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-75-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-76-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-79-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-82-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-85-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-88-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-68-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-90-0x0000000000B00000-0x0000000000BAD000-memory.dmp

        Filesize

        692KB

      • memory/2380-95-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-98-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-99-0x0000000000B00000-0x0000000000BAD000-memory.dmp

        Filesize

        692KB

      • memory/2380-102-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-105-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/2380-108-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4668-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4668-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4668-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB