Analysis

  • max time kernel
    144s
  • max time network
    143s
  • 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, 23:42

General

  • Target

    3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.exe

  • Size

    2.9MB

  • MD5

    02324c2d31221da9bf78bba5920ffccd

  • SHA1

    8ff955ee1d0f054a84c1db450f56ce55a1c7ebca

  • SHA256

    3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb

  • SHA512

    e903ab171330b9a6bd0f2e8f56130bc9ac2f171de28f5fa51c72ec36beda7669376172bcf7f44bc8ca2f9a54915cd8e02d30d416ea6565a737a3e17ad89f74f0

  • SSDEEP

    49152:s2jrjz+ZNL6x3OoqXinu3JTWWkrL/G708RmUM6UE/LSfblkkvQ1E5RY0E:BzzKiQSu3WetRmUoE/LSfblkA+E5lE

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\3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.exe
    "C:\Users\Admin\AppData\Local\Temp\3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\is-46FQ6.tmp\3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-46FQ6.tmp\3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.tmp" /SL5="$F01CE,2756262,54272,C:\Users\Admin\AppData\Local\Temp\3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3960
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2516
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3672
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1016
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:2596

      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

              8e3834f8639ce3e547b46b339ffe2888

              SHA1

              2e6f1644c624cbd711270368fa1140dc920265fd

              SHA256

              563157a3eddcd8c07a62b43aa9b74e395860fa19a7f5bec0ff6bcdb528f8f16c

              SHA512

              15a558d4a3cebf7d0805447c86fa66ee89159082047fb9b0e9b168bdf655c2121def7808a39e0aa019b54e27cd1d80d7d53bcf1fe56724eea27c6d0faef1a3cb

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

              Filesize

              2.2MB

              MD5

              8e3834f8639ce3e547b46b339ffe2888

              SHA1

              2e6f1644c624cbd711270368fa1140dc920265fd

              SHA256

              563157a3eddcd8c07a62b43aa9b74e395860fa19a7f5bec0ff6bcdb528f8f16c

              SHA512

              15a558d4a3cebf7d0805447c86fa66ee89159082047fb9b0e9b168bdf655c2121def7808a39e0aa019b54e27cd1d80d7d53bcf1fe56724eea27c6d0faef1a3cb

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

              Filesize

              2.2MB

              MD5

              8e3834f8639ce3e547b46b339ffe2888

              SHA1

              2e6f1644c624cbd711270368fa1140dc920265fd

              SHA256

              563157a3eddcd8c07a62b43aa9b74e395860fa19a7f5bec0ff6bcdb528f8f16c

              SHA512

              15a558d4a3cebf7d0805447c86fa66ee89159082047fb9b0e9b168bdf655c2121def7808a39e0aa019b54e27cd1d80d7d53bcf1fe56724eea27c6d0faef1a3cb

            • C:\Users\Admin\AppData\Local\Temp\is-46FQ6.tmp\3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-46FQ6.tmp\3a7c4fe1cf2bb413076c75fa76f5d82a537ce1d85daae4949e2ca5a568f46ddb.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-BF2KL.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-BF2KL.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-BF2KL.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/1148-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1148-68-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1484-72-0x00000000006A0000-0x00000000006A1000-memory.dmp

              Filesize

              4KB

            • memory/1484-6-0x00000000006A0000-0x00000000006A1000-memory.dmp

              Filesize

              4KB

            • memory/1484-69-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/2516-60-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/2516-59-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/2516-63-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/2516-64-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-89-0x0000000000830000-0x00000000008DD000-memory.dmp

              Filesize

              692KB

            • memory/3672-95-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-75-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-76-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-78-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-80-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-83-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-85-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-88-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-67-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-90-0x0000000000830000-0x00000000008DD000-memory.dmp

              Filesize

              692KB

            • memory/3672-70-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-99-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-101-0x0000000000830000-0x00000000008DD000-memory.dmp

              Filesize

              692KB

            • memory/3672-103-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-106-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-108-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-111-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/3672-112-0x0000000000830000-0x00000000008DD000-memory.dmp

              Filesize

              692KB

            • memory/3672-113-0x0000000000830000-0x00000000008DD000-memory.dmp

              Filesize

              692KB

            • memory/3672-118-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB