Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24/11/2023, 03:32

General

  • Target

    99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.exe

  • Size

    2.9MB

  • MD5

    8489c0a1618f79ea1a1c1beb4e7a6bbd

  • SHA1

    06d92b3fd32aefd10856ded2e9ee1b1a9679dd3c

  • SHA256

    99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b

  • SHA512

    72793ae70b091981463a83f76b251be07448ce07bd2c087dc6697a7dbf1ae464bd36762bd0f9ad50a1bd9cd44679428db9c3bbea88970e0eef67c1017c3fdac1

  • SSDEEP

    49152:f2jrjz+ZNL6x3OoqXinu3JTWWkrL/G708RmUM6UE/LSfblkkvQ1E5RY0E:+zzKiQSu3WetRmUoE/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\99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.exe
    "C:\Users\Admin\AppData\Local\Temp\99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\is-PQIJA.tmp\99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PQIJA.tmp\99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.tmp" /SL5="$80214,2756262,54272,C:\Users\Admin\AppData\Local\Temp\99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1400
        • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
          "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5032
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1952
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:5080
          • C:\Program Files (x86)\Common Files\TVJet\TVJet.exe
            "C:\Program Files (x86)\Common Files\TVJet\TVJet.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4916

      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-PQIJA.tmp\99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-PQIJA.tmp\99787b8bcdc2e58b6c3c0c89a1e90bb5a1bbf7c8c91b8097fd0d220455e0af7b.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • \Users\Admin\AppData\Local\Temp\is-ICF9G.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-ICF9G.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • \Users\Admin\AppData\Local\Temp\is-ICF9G.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/1196-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/1196-71-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/1196-69-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/1232-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1232-68-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4916-94-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-87-0x0000000002790000-0x000000000283D000-memory.dmp

              Filesize

              692KB

            • memory/4916-117-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-114-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-70-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-111-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-74-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-75-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-78-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-81-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-84-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-67-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-88-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-89-0x0000000002790000-0x000000000283D000-memory.dmp

              Filesize

              692KB

            • memory/4916-107-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-97-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-98-0x0000000002790000-0x000000000283D000-memory.dmp

              Filesize

              692KB

            • memory/4916-101-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/4916-104-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/5032-59-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/5032-60-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/5032-63-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB

            • memory/5032-64-0x0000000000400000-0x0000000000638000-memory.dmp

              Filesize

              2.2MB