Analysis

  • max time kernel
    143s
  • max time network
    143s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26/11/2023, 09:42

General

  • Target

    74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.exe

  • Size

    4.6MB

  • MD5

    4236c44229e51bfe9436afffe46ebcb9

  • SHA1

    660d6af833aac22f8be70d25ecfaae1e26866095

  • SHA256

    74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556

  • SHA512

    d56730a3cd0c260748bbb37e15a7a14524e15b2dcdeab429e71e94e7c9dbc41ba7f161d7a51a15fa090873eb114872fc5741de4d86d55475014da9845e7a20ea

  • SSDEEP

    98304:pxHuoJAeZBGyf5ezguZGJx7eShXOHQbAMkTB5WElE:LBGOIyfMkJlhzmLu

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\74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.exe
    "C:\Users\Admin\AppData\Local\Temp\74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:820
    • C:\Users\Admin\AppData\Local\Temp\is-TLDL6.tmp\74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TLDL6.tmp\74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.tmp" /SL5="$E01E6,4558956,54272,C:\Users\Admin\AppData\Local\Temp\74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3312
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4948
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4952
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4556
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:4320

      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

              99f88b5859f864ec523e66c29f0d6a60

              SHA1

              c932fc94dddc82a63ca9dbef2f4850ffd13d4813

              SHA256

              3be7e15db48b46517a36b516d43220f174c6b219ab600e13dc328d8122d63184

              SHA512

              a097454a2f3746d73ce7d8b8975afbb45ef19e3d36da9cf7aa6cda001ae45e464cf0db3d04aeb7f609f00a0aa56452d1230a6bffcebab258dbdd44e5d013cf51

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

              Filesize

              3.7MB

              MD5

              99f88b5859f864ec523e66c29f0d6a60

              SHA1

              c932fc94dddc82a63ca9dbef2f4850ffd13d4813

              SHA256

              3be7e15db48b46517a36b516d43220f174c6b219ab600e13dc328d8122d63184

              SHA512

              a097454a2f3746d73ce7d8b8975afbb45ef19e3d36da9cf7aa6cda001ae45e464cf0db3d04aeb7f609f00a0aa56452d1230a6bffcebab258dbdd44e5d013cf51

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

              Filesize

              3.7MB

              MD5

              99f88b5859f864ec523e66c29f0d6a60

              SHA1

              c932fc94dddc82a63ca9dbef2f4850ffd13d4813

              SHA256

              3be7e15db48b46517a36b516d43220f174c6b219ab600e13dc328d8122d63184

              SHA512

              a097454a2f3746d73ce7d8b8975afbb45ef19e3d36da9cf7aa6cda001ae45e464cf0db3d04aeb7f609f00a0aa56452d1230a6bffcebab258dbdd44e5d013cf51

            • C:\Users\Admin\AppData\Local\Temp\is-TLDL6.tmp\74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-TLDL6.tmp\74b037f7d16c0de251785c8b83532cc02c30a482f95fe5faac23ebe2a4729556.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • \Users\Admin\AppData\Local\Temp\is-7127J.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-7127J.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • \Users\Admin\AppData\Local\Temp\is-7127J.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/820-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/820-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2692-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/2692-9-0x0000000000620000-0x0000000000621000-memory.dmp

              Filesize

              4KB

            • memory/2692-72-0x0000000000620000-0x0000000000621000-memory.dmp

              Filesize

              4KB

            • memory/4948-59-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4948-64-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4948-63-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4948-60-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-71-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-95-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-67-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-75-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-76-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-77-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-80-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-83-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-86-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-90-0x0000000000AA0000-0x0000000000B4D000-memory.dmp

              Filesize

              692KB

            • memory/4952-89-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-68-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-98-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-99-0x0000000000AA0000-0x0000000000B4D000-memory.dmp

              Filesize

              692KB

            • memory/4952-102-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-105-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-108-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-111-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-114-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4952-115-0x0000000000AA0000-0x0000000000B4D000-memory.dmp

              Filesize

              692KB

            • memory/4952-116-0x0000000000AA0000-0x0000000000B4D000-memory.dmp

              Filesize

              692KB

            • memory/4952-120-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB