Analysis

  • max time kernel
    144s
  • max time network
    132s
  • 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 16:46

General

  • Target

    3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.exe

  • Size

    4.9MB

  • MD5

    1413ec5342a2a632ea8551e13ed23617

  • SHA1

    312845fdd2f54de313b1be2511b40937d46141a2

  • SHA256

    3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b

  • SHA512

    9c4be7efbd18a3e2373419978a3d1572854410c1a64c04cf84df6a00194e00ec1cda9b217a120484576a767d9d767cea653e69c6071c890e10705775a24263a9

  • SSDEEP

    98304:Id3L0TpNwgdnac+LdvXVajAqlxgc92ca6Qc3zQxHI7Fya0pYrAKlE:03Lq6gdna/raEqwzca6QcjDopKu

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\3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.exe
    "C:\Users\Admin\AppData\Local\Temp\3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\is-SEFKM.tmp\3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SEFKM.tmp\3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.tmp" /SL5="$6020A,4929821,54272,C:\Users\Admin\AppData\Local\Temp\3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4884
        • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
          "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3136
        • C:\Program Files (x86)\Common Files\TVCross\TVCross.exe
          "C:\Program Files (x86)\Common Files\TVCross\TVCross.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4392
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1492
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:4532

      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

        0f83bdb70bee28b41bbfa345aa6034ea

        SHA1

        85975a6289cb2f005095e5419007130f321b47fb

        SHA256

        e9e701493c3632092608bdddb2f10ee766ea30c8d42f537867234469fade05d4

        SHA512

        e89900c8f79a504c6c47465c12178b310537313876f6f0fac556f9b4242edda129af1fc20690828ce4837134a0c50130c5f84e19c6a4562453cc3badd05891a8

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

        Filesize

        4.0MB

        MD5

        0f83bdb70bee28b41bbfa345aa6034ea

        SHA1

        85975a6289cb2f005095e5419007130f321b47fb

        SHA256

        e9e701493c3632092608bdddb2f10ee766ea30c8d42f537867234469fade05d4

        SHA512

        e89900c8f79a504c6c47465c12178b310537313876f6f0fac556f9b4242edda129af1fc20690828ce4837134a0c50130c5f84e19c6a4562453cc3badd05891a8

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

        Filesize

        4.0MB

        MD5

        0f83bdb70bee28b41bbfa345aa6034ea

        SHA1

        85975a6289cb2f005095e5419007130f321b47fb

        SHA256

        e9e701493c3632092608bdddb2f10ee766ea30c8d42f537867234469fade05d4

        SHA512

        e89900c8f79a504c6c47465c12178b310537313876f6f0fac556f9b4242edda129af1fc20690828ce4837134a0c50130c5f84e19c6a4562453cc3badd05891a8

      • C:\Users\Admin\AppData\Local\Temp\is-SEFKM.tmp\3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-SEFKM.tmp\3a7cdfc2a4006c84d35bab8abf5cf0e2fef9888f4d486725d2fc76c2d6f31e9b.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-5Q473.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-5Q473.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-5Q473.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/1952-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1952-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1952-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/2724-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2724-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2724-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3136-60-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/3136-61-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/3136-64-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/3136-65-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-71-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-90-0x0000000002900000-0x00000000029AD000-memory.dmp

        Filesize

        692KB

      • memory/4392-75-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-76-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-79-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-82-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-85-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-88-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-89-0x0000000002900000-0x00000000029AD000-memory.dmp

        Filesize

        692KB

      • memory/4392-68-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-95-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-98-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-99-0x0000000002900000-0x00000000029AD000-memory.dmp

        Filesize

        692KB

      • memory/4392-102-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-105-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-108-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-112-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-115-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB

      • memory/4392-118-0x0000000000400000-0x000000000080E000-memory.dmp

        Filesize

        4.1MB