Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2023, 22:51

General

  • Target

    a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.exe

  • Size

    4.6MB

  • MD5

    4d8f9ec762e03395794b91c4f73290b7

  • SHA1

    1d0975e341e32de939230de597fc49f07a3e6df1

  • SHA256

    a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032

  • SHA512

    fef0386e5f179b93ba50d124a4bef2dca74cbc7d777a5ea3a36380eac83e090a2f9df20b4216e3b05e26e6ff4e85bee057c6b35a46a43ff3e9b21d7de1d4eccf

  • SSDEEP

    98304:SxHuoJAeZBGyf5ezguZGJx7eShXOHQbAMkTB5WElE:8BGOIyfMkJlhzmLu

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\a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.exe
    "C:\Users\Admin\AppData\Local\Temp\a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Users\Admin\AppData\Local\Temp\is-K93F4.tmp\a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-K93F4.tmp\a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.tmp" /SL5="$C005E,4558956,54272,C:\Users\Admin\AppData\Local\Temp\a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3440
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2044
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4456
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3912
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:4992

      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-K93F4.tmp\a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-K93F4.tmp\a23678e8d5ef758dc03539a39298a5eaf342dd6e5558671a0c52152c77b2b032.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-TKO1G.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-TKO1G.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-TKO1G.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/1872-6-0x0000000002100000-0x0000000002101000-memory.dmp

              Filesize

              4KB

            • memory/1872-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/1872-72-0x0000000002100000-0x0000000002101000-memory.dmp

              Filesize

              4KB

            • memory/2044-59-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/2044-63-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/2044-64-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/2044-60-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/3860-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/3860-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4456-71-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-89-0x0000000000AE0000-0x0000000000B8D000-memory.dmp

              Filesize

              692KB

            • memory/4456-66-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-75-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-76-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-79-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-82-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-85-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-88-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-68-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-90-0x0000000000AE0000-0x0000000000B8D000-memory.dmp

              Filesize

              692KB

            • memory/4456-95-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-98-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-99-0x0000000000AE0000-0x0000000000B8D000-memory.dmp

              Filesize

              692KB

            • memory/4456-102-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-105-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-108-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-111-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-114-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4456-117-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB