Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2023, 02:36

General

  • Target

    5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.exe

  • Size

    2.9MB

  • MD5

    3770278b9e3b15f0599fa437422f9890

  • SHA1

    3322ac677cac7e70275069b0c3c78699153016ac

  • SHA256

    5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a

  • SHA512

    aca3706dc19199806b50f4e40a1b8facca944521cdb7c0ca8e98628d468bd5f9828dfdea739eb834aeefc3b639852619df9ac00c70e8bf30114483b92c520804

  • SSDEEP

    49152:M2dKgqFC/iTqHv7bb9NfQSvzZxPQUlsMuiRPzGjNBi+tsvDcRY0E:hARFpTIXhJ51xlax/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\5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.exe
    "C:\Users\Admin\AppData\Local\Temp\5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Users\Admin\AppData\Local\Temp\is-UMOF3.tmp\5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-UMOF3.tmp\5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.tmp" /SL5="$701C2,2757638,54272,C:\Users\Admin\AppData\Local\Temp\5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3172
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4704
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3824
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:372
          • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
            "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2640

      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-7AP9A.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-7AP9A.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-7AP9A.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-UMOF3.tmp\5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-UMOF3.tmp\5b2f4e3d1b395b4ff61d93ac4a9a998c9d0f48121959e903cd443b6dfa0c651a.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • memory/1096-72-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/1096-8-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/1096-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/2640-95-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-102-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-118-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-68-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-115-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-112-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-71-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-108-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-75-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-76-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-79-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-82-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-85-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-88-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-90-0x0000000000990000-0x0000000000A3D000-memory.dmp

        Filesize

        692KB

      • memory/2640-89-0x0000000000990000-0x0000000000A3D000-memory.dmp

        Filesize

        692KB

      • memory/2640-105-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-98-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/2640-99-0x0000000000990000-0x0000000000A3D000-memory.dmp

        Filesize

        692KB

      • memory/3352-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3352-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3352-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4704-64-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4704-60-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB

      • memory/4704-61-0x0000000000400000-0x0000000000637000-memory.dmp

        Filesize

        2.2MB