Analysis

  • max time kernel
    150s
  • max time network
    135s
  • 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 20:34

General

  • Target

    23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.exe

  • Size

    2.9MB

  • MD5

    b2e6eac5b1f95dac6e7ad78c91cfb5c9

  • SHA1

    9f75627ff67abe298429c1afb1c170263c2419bc

  • SHA256

    23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4

  • SHA512

    55cf11e2dd0944166baa30a3578dd78530001cbca51ecacbb0129497ef4c22b8d6e90b8d15ea7bc1bad04e5ab90413f047ec9bd431586b63f8c8abe7d431f3ac

  • SSDEEP

    49152:Y2jrjz+ZNL6x3OoqXinu3JTWWkrL/G708RmUM6UE/LSfblkkvQ1E5RY0E:VzzKiQSu3WetRmUoE/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\23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.exe
    "C:\Users\Admin\AppData\Local\Temp\23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\is-N9SU9.tmp\23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N9SU9.tmp\23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.tmp" /SL5="$A0056,2756262,54272,C:\Users\Admin\AppData\Local\Temp\23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2216
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:844
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1444
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4416
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:1820
          • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
            "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2364

      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-N9SU9.tmp\23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-N9SU9.tmp\23fae6c570a548872b2cb02b632d6c9020853581a31a076001e120d461f9fad4.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-QT6FO.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-QT6FO.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-QT6FO.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/1444-65-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/1444-60-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/1444-61-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/1444-64-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2216-73-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/2216-7-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/2216-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/2220-1-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2220-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2364-85-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-89-0x00000000007B0000-0x000000000085D000-memory.dmp

        Filesize

        692KB

      • memory/2364-75-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-76-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-79-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-82-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-68-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-88-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-90-0x00000000007B0000-0x000000000085D000-memory.dmp

        Filesize

        692KB

      • memory/2364-71-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-95-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-98-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-101-0x00000000007B0000-0x000000000085D000-memory.dmp

        Filesize

        692KB

      • memory/2364-102-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-105-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-108-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-113-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-115-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB

      • memory/2364-118-0x0000000000400000-0x0000000000638000-memory.dmp

        Filesize

        2.2MB