Analysis

  • max time kernel
    144s
  • max time network
    131s
  • 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, 20:01

General

  • Target

    43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.exe

  • Size

    2.9MB

  • MD5

    069d729a83067c28f9f1d55fca204b5e

  • SHA1

    0234320c40f966c54f46e5d38875eff89ce3893c

  • SHA256

    43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98

  • SHA512

    9b90ad2b739edffc480213707c75cc8004c94a420a1d604b34be8dd7409c9cc461e94a8d95fdf7ca16fae9b804f3eb43183f71aa2d62454f6296206ac2e3cafa

  • SSDEEP

    49152:z2dKgqFC/iTqHv7bb9NfQSvzZxPQUlsMuiRPzGjNBi+tsvDcRY0E:6ARFpTIXhJ51xlax/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\43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.exe
    "C:\Users\Admin\AppData\Local\Temp\43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\is-NCST5.tmp\43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NCST5.tmp\43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.tmp" /SL5="$80206,2757638,54272,C:\Users\Admin\AppData\Local\Temp\43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:424
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1384
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4240
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1812
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:4524
          • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
            "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4980

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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-NCST5.tmp\43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-NCST5.tmp\43ab5495a23fd070c3246816746b015baa8352739e04e4ecf96d2201868bbe98.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • \Users\Admin\AppData\Local\Temp\is-1OLNQ.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-1OLNQ.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • \Users\Admin\AppData\Local\Temp\is-1OLNQ.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/424-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/424-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/424-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/1032-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1032-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1032-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4240-60-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4240-61-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4240-65-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4240-64-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-71-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-68-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-75-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-76-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-79-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-82-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-85-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-89-0x00000000008E0000-0x000000000098D000-memory.dmp

              Filesize

              692KB

            • memory/4980-88-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-94-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-97-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-98-0x00000000008E0000-0x000000000098D000-memory.dmp

              Filesize

              692KB

            • memory/4980-101-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-104-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-107-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-111-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-114-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4980-117-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB