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Analysis

  • max time kernel
    143s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23/11/2023, 22:27

General

  • Target

    0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.exe

  • Size

    2.9MB

  • MD5

    cb3cf8b93cb6feb54fadade012e104a9

  • SHA1

    0f5fae0098287b6253c9194d0cd2b9971e7bfa5a

  • SHA256

    0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d

  • SHA512

    5a961a86e9155feb778b6270edb5362e8f6e6a6b3731f270af7659d2797b6fb01138f1a2e6a0affd1c15e0e49341faa513006b3d898f0cd16d14275e460aa04e

  • SSDEEP

    49152:C2jrjz+ZNL6x3OoqXinu3JTWWkrL/G708RmUM6UE/LSfblkkvQ1E5RY0E:TzzKiQSu3WetRmUoE/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\0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.exe
    "C:\Users\Admin\AppData\Local\Temp\0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Local\Temp\is-FG63M.tmp\0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FG63M.tmp\0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.tmp" /SL5="$501E8,2756262,54272,C:\Users\Admin\AppData\Local\Temp\0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2264
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1312
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4872
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4828
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:384

      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-FG63M.tmp\0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-FG63M.tmp\0371b78aac809a1f766a8502788c46151b9cb15c562bb3a43f2126c627dffc8d.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-8TUQ3.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-8TUQ3.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-8TUQ3.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/1312-60-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/1312-61-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/1312-65-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4032-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4032-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4032-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4484-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4484-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4484-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/4872-89-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-90-0x00000000008E0000-0x000000000098D000-memory.dmp

        Filesize

        692KB

      • memory/4872-75-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-76-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-79-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-82-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-85-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-88-0x00000000008E0000-0x000000000098D000-memory.dmp

        Filesize

        692KB

      • memory/4872-68-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-71-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-95-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-98-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-99-0x00000000008E0000-0x000000000098D000-memory.dmp

        Filesize

        692KB

      • memory/4872-102-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-105-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-108-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-111-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-115-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/4872-118-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB