Analysis

  • max time kernel
    144s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/11/2023, 21:57

General

  • Target

    39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.exe

  • Size

    2.9MB

  • MD5

    f4c53938a3ad2984516adcd021505d35

  • SHA1

    48bf9e8a514482d38a732f830813abbae0d9850d

  • SHA256

    39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e

  • SHA512

    7e77e4491f72af0f2e6e49719192fbe31e1776f9c586713ed2e086157938a139fc5e725c8e1049e510053c9923030be0d4d227459ecbf9efa3812e23cdc11fff

  • SSDEEP

    49152:r2dKgqFC/iTqHv7bb9NfQSvzZxPQUlsMuiRPzGjNBi+tsvDcRY0E:iARFpTIXhJ51xlax/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\39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.exe
    "C:\Users\Admin\AppData\Local\Temp\39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Users\Admin\AppData\Local\Temp\is-OP16M.tmp\39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OP16M.tmp\39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.tmp" /SL5="$110046,2757638,54272,C:\Users\Admin\AppData\Local\Temp\39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4208
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1068
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4448
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2688
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1572
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:2380

      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-NBAMG.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-OP16M.tmp\39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-OP16M.tmp\39fea070c381f0e804e5b1eae303f93190462daabd6725a12380cc5b71d60f7e.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • memory/316-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/316-70-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/316-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2688-69-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-103-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-106-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-113-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-67-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-119-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-116-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-100-0x0000000000910000-0x00000000009BD000-memory.dmp

              Filesize

              692KB

            • memory/2688-72-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-109-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-76-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-77-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-80-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-83-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-86-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-89-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-91-0x0000000000910000-0x00000000009BD000-memory.dmp

              Filesize

              692KB

            • memory/2688-90-0x0000000000910000-0x00000000009BD000-memory.dmp

              Filesize

              692KB

            • memory/2688-96-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/2688-99-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4208-71-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/4208-73-0x00000000006A0000-0x00000000006A1000-memory.dmp

              Filesize

              4KB

            • memory/4208-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

              Filesize

              4KB

            • memory/4448-65-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4448-64-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4448-61-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB

            • memory/4448-60-0x0000000000400000-0x0000000000637000-memory.dmp

              Filesize

              2.2MB