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Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24/11/2023, 10:21

General

  • Target

    8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.exe

  • Size

    5.2MB

  • MD5

    d6e70559bbfc0c007d1fb1b3ec668052

  • SHA1

    1670d82d28a71095010930162e28e0a297d4ba8e

  • SHA256

    8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9

  • SHA512

    407e8d52516f6e3bf24585f53941b3ee379c3448e1de4fde8dfb06cbe9a7974710c6c31f787880f1e79ca8dc00ee41b1fff8f3ff5e335c65cefcb49c0862acb0

  • SSDEEP

    98304:T4UQ13eDvQYGAyN/N99Ewn91ougfcSndlhRwcY3m5MXQBLuYZq0lE:/NTQUyJN99EjfRdlhRhY3UBLFFu

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\8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.exe
    "C:\Users\Admin\AppData\Local\Temp\8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5032
    • C:\Users\Admin\AppData\Local\Temp\is-402H4.tmp\8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-402H4.tmp\8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.tmp" /SL5="$C0056,5153110,54272,C:\Users\Admin\AppData\Local\Temp\8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3192
        • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
          "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3280
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4564
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:2240
          • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
            "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4580

      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-402H4.tmp\8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-402H4.tmp\8f0418a679e1e5ba91ebb936f6b8f60150cd6e9946d20bc1ea8bbc56351823d9.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-U5EVN.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-U5EVN.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-U5EVN.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/2224-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2224-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/2224-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3280-60-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3280-59-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3280-63-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3280-64-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-71-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-89-0x0000000000A60000-0x0000000000B0D000-memory.dmp

        Filesize

        692KB

      • memory/4580-68-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-117-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-67-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-75-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-76-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-79-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-82-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-85-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-88-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-114-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-94-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-97-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-98-0x0000000000A60000-0x0000000000B0D000-memory.dmp

        Filesize

        692KB

      • memory/4580-101-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-104-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-107-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/4580-111-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/5032-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5032-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB