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Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/11/2023, 19:28

General

  • Target

    2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.exe

  • Size

    2.9MB

  • MD5

    b3f0bca7a750cefaa3b4c6b1118c55bd

  • SHA1

    d7466d0566f6ac1a509da8a2870e8e9e71f9e429

  • SHA256

    2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69

  • SHA512

    8720bdfbf77a815d9a51e93efc8639f7a66af5400cd0939be3e5dd125b1b30b683a36d63ff3c2fef4f4bdd0d1114e1a79dbacfcfd3e23d496b8ac95fe48a4823

  • SSDEEP

    49152:m2dKgqFC/iTqHv7bb9NfQSvzZxPQUlsMuiRPzGjNBi+tsvDcRY0E:fARFpTIXhJ51xlax/7TtsvIlE

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\2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.exe
    "C:\Users\Admin\AppData\Local\Temp\2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Users\Admin\AppData\Local\Temp\is-LBJNK.tmp\2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LBJNK.tmp\2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.tmp" /SL5="$A014C,2757638,54272,C:\Users\Admin\AppData\Local\Temp\2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:984
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3700
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4540
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4188
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:2408
          • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
            "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4952

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.2MB

        MD5

        8d2e2242ecc00cebb833fd0057c87cf8

        SHA1

        5e6b95c8cd54c859c2cce94ee3899e9f470fc592

        SHA256

        fe6e5c7277afbf279c01b0dc64cb65ce2a15a586b3f1371753c2b9a6bc66a3f1

        SHA512

        497ba1d2693a7ac2353c26dbd74a64ce1a7f38be54f558e8cfcd24bbc97e6a4f195a59251023166e420b0a05aec11a42351a501ec9ed7f27ebc15daa01e56afb

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

        Filesize

        2.2MB

        MD5

        8d2e2242ecc00cebb833fd0057c87cf8

        SHA1

        5e6b95c8cd54c859c2cce94ee3899e9f470fc592

        SHA256

        fe6e5c7277afbf279c01b0dc64cb65ce2a15a586b3f1371753c2b9a6bc66a3f1

        SHA512

        497ba1d2693a7ac2353c26dbd74a64ce1a7f38be54f558e8cfcd24bbc97e6a4f195a59251023166e420b0a05aec11a42351a501ec9ed7f27ebc15daa01e56afb

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

        Filesize

        2.2MB

        MD5

        8d2e2242ecc00cebb833fd0057c87cf8

        SHA1

        5e6b95c8cd54c859c2cce94ee3899e9f470fc592

        SHA256

        fe6e5c7277afbf279c01b0dc64cb65ce2a15a586b3f1371753c2b9a6bc66a3f1

        SHA512

        497ba1d2693a7ac2353c26dbd74a64ce1a7f38be54f558e8cfcd24bbc97e6a4f195a59251023166e420b0a05aec11a42351a501ec9ed7f27ebc15daa01e56afb

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-LBJNK.tmp\2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-LBJNK.tmp\2b327b1582db6cff7699df8dbc75c8655d36dff2269bf0853066c8a9eb433e69.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • memory/984-7-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/984-68-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/984-74-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/3600-23-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3600-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3600-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4540-61-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4540-62-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4540-65-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4540-66-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-73-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-70-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-77-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-78-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-81-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-84-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-87-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-90-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-91-0x00000000008C0000-0x000000000096D000-memory.dmp

        Filesize

        692KB

      • memory/4952-92-0x00000000008C0000-0x000000000096D000-memory.dmp

        Filesize

        692KB

      • memory/4952-97-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-100-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-101-0x00000000008C0000-0x000000000096D000-memory.dmp

        Filesize

        692KB

      • memory/4952-104-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-107-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-110-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-113-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4952-117-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB