Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2023 16:22

General

  • Target

    9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.exe

  • Size

    4.9MB

  • MD5

    ae34a779c35ab422ca6958d829a99f08

  • SHA1

    58667036274379e111fe9e479038e792652de50c

  • SHA256

    9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8

  • SHA512

    771d288f63e90b0e00934c51e2d61f89cec45cd26191b8d7a95ba574872be611fdf55e46b15708941e6c1684712bf40757fc709148270d519a2c7eb8eebddd74

  • SSDEEP

    98304:0PJl+7UFpYpuQilayDStZx1J2fQ7+Y/Mx+myw9siB+UERyLwBGlE:w+wFpPHQy21J2fQbMMmRzB+lRuhu

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\9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.exe
    "C:\Users\Admin\AppData\Local\Temp\9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Users\Admin\AppData\Local\Temp\is-HRB5R.tmp\9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HRB5R.tmp\9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.tmp" /SL5="$301EC,4934488,54272,C:\Users\Admin\AppData\Local\Temp\9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:540
        • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
          "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -i
          3⤵
          • Executes dropped EXE
          PID:780
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2132
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:2240
          • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
            "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4492

      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

        171afc25d2b8cfef31ffb3777f260663

        SHA1

        e4c08be032f7f6d6c18fe2d2dfc6ac672519c173

        SHA256

        13c5fd83256509d5c5c44d600c1854b6b9d79a7472350a2a803fafb70eb2e119

        SHA512

        94a558359582ca364ae5d2c2d177d2159fdec9027e96acd91a8f82f9374671acfb581f9777e4bba37001e2ec351077c5d22677fc5cd66508a907601343d50f6d

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

        Filesize

        4.0MB

        MD5

        171afc25d2b8cfef31ffb3777f260663

        SHA1

        e4c08be032f7f6d6c18fe2d2dfc6ac672519c173

        SHA256

        13c5fd83256509d5c5c44d600c1854b6b9d79a7472350a2a803fafb70eb2e119

        SHA512

        94a558359582ca364ae5d2c2d177d2159fdec9027e96acd91a8f82f9374671acfb581f9777e4bba37001e2ec351077c5d22677fc5cd66508a907601343d50f6d

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

        Filesize

        4.0MB

        MD5

        171afc25d2b8cfef31ffb3777f260663

        SHA1

        e4c08be032f7f6d6c18fe2d2dfc6ac672519c173

        SHA256

        13c5fd83256509d5c5c44d600c1854b6b9d79a7472350a2a803fafb70eb2e119

        SHA512

        94a558359582ca364ae5d2c2d177d2159fdec9027e96acd91a8f82f9374671acfb581f9777e4bba37001e2ec351077c5d22677fc5cd66508a907601343d50f6d

      • C:\Users\Admin\AppData\Local\Temp\is-HRB5R.tmp\9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-HRB5R.tmp\9bcb8434aa7bdd93202dac8bf42f43a6bc47a629550eccfdb9702c90ed7147c8.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-I3CUF.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-I3CUF.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-I3CUF.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/780-64-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/780-65-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/780-60-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/780-61-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-91-0x0000000000AB0000-0x0000000000B5D000-memory.dmp

        Filesize

        692KB

      • memory/4492-84-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-119-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-68-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-69-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-116-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-112-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-72-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-109-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-76-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-77-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-80-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-81-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-106-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-87-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-103-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-90-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-96-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-100-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4492-102-0x0000000000AB0000-0x0000000000B5D000-memory.dmp

        Filesize

        692KB

      • memory/4784-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/4784-75-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/4784-71-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/4840-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4840-70-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4840-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB