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 07:16

General

  • Target

    a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.exe

  • Size

    5.2MB

  • MD5

    a5c5df7508485d89e2c54a35a3bd357f

  • SHA1

    0ff821ef9526d197f766565faed78d69132f3e1f

  • SHA256

    a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574

  • SHA512

    ea31b194e370429f11e64f5c416c74c316a82cb0507049f4919e0bc80f639dfb2b3ef4e1d1e269e6ef4361fc568bcbd2b7b3ad4fef350626f36eb4c42a46a8e4

  • SSDEEP

    98304:94UQ13eDvQYGAyN/N99Ewn91ougfcSndlhRwcY3m5MXQBLuYZq0lE:hNTQUyJN99EjfRdlhRhY3UBLFFu

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\a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.exe
    "C:\Users\Admin\AppData\Local\Temp\a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:168
    • C:\Users\Admin\AppData\Local\Temp\is-57U4K.tmp\a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-57U4K.tmp\a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.tmp" /SL5="$80206,5153110,54272,C:\Users\Admin\AppData\Local\Temp\a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3104
        • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
          "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4896
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4312
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:4124
          • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
            "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -s
            3⤵
            • Executes dropped EXE
            PID:588

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        4.4MB

        MD5

        03cc9a134701ca9d82ca83f21fba7f65

        SHA1

        910876bb42dd31577a778d0782fee6774456e018

        SHA256

        9197f4a31ed08151722c1ab60b6ce6d01018470f5cf0456646014df8c224176d

        SHA512

        b7164e06e3e1a412473e557e7b235d9de4998e5cb17a521d6cdb0e6071e060044d6b78651dd27cc1cea28e8179468214fa5c47e5573478ac620f3380be5e042f

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

        Filesize

        4.4MB

        MD5

        03cc9a134701ca9d82ca83f21fba7f65

        SHA1

        910876bb42dd31577a778d0782fee6774456e018

        SHA256

        9197f4a31ed08151722c1ab60b6ce6d01018470f5cf0456646014df8c224176d

        SHA512

        b7164e06e3e1a412473e557e7b235d9de4998e5cb17a521d6cdb0e6071e060044d6b78651dd27cc1cea28e8179468214fa5c47e5573478ac620f3380be5e042f

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

        Filesize

        4.4MB

        MD5

        03cc9a134701ca9d82ca83f21fba7f65

        SHA1

        910876bb42dd31577a778d0782fee6774456e018

        SHA256

        9197f4a31ed08151722c1ab60b6ce6d01018470f5cf0456646014df8c224176d

        SHA512

        b7164e06e3e1a412473e557e7b235d9de4998e5cb17a521d6cdb0e6071e060044d6b78651dd27cc1cea28e8179468214fa5c47e5573478ac620f3380be5e042f

      • C:\Users\Admin\AppData\Local\Temp\is-57U4K.tmp\a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-57U4K.tmp\a4befd4689bee7fa5db61ac71ee795361e652f75c04e8cf2498185b7e8516574.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-FFEN7.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-FFEN7.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-FFEN7.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/168-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/168-68-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/588-67-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-74-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-104-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-111-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-98-0x0000000000B70000-0x0000000000C1D000-memory.dmp

        Filesize

        692KB

      • memory/588-114-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-101-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-70-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-117-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-107-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-75-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-78-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-81-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-84-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-87-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-88-0x0000000000B70000-0x0000000000C1D000-memory.dmp

        Filesize

        692KB

      • memory/588-89-0x0000000000B70000-0x0000000000C1D000-memory.dmp

        Filesize

        692KB

      • memory/588-94-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/588-97-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/2232-71-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2232-69-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/2232-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4896-64-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4896-63-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4896-59-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4896-60-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB