Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24/11/2023, 07:24

General

  • Target

    c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.exe

  • Size

    5.2MB

  • MD5

    07e4e67f21280b1d03de3c72f3e9e01a

  • SHA1

    e1bb048f71fba8d19e3e6949b59f30b13fbc990a

  • SHA256

    c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339

  • SHA512

    cd099174d920835cbf0fd6e5d7fb50f2ed390f47078575123f8a7cea742e6734454b7749c97f8e6605a1d77b428d9a51959103d7bcd514be59948cc98ceb1f89

  • SSDEEP

    98304:9chHMKyDyc70SwAvO01JgBixtqMhlE4f+Ue/czLiRZvcFqhblsXlwagEblE:2y3l80DBl5f+2QvQus1zgCu

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\c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.exe
    "C:\Users\Admin\AppData\Local\Temp\c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Users\Admin\AppData\Local\Temp\is-V4HEU.tmp\c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V4HEU.tmp\c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.tmp" /SL5="$C01DC,5168582,54272,C:\Users\Admin\AppData\Local\Temp\c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4036
        • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
          "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4192
        • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
          "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2720
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3772
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:96

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe

              Filesize

              4.4MB

              MD5

              fc4f4c9f8f9f4401ead279be1f4de6b5

              SHA1

              e58284242178fef00db71262eb1d5afee6b13d57

              SHA256

              100716c3ec3c63ab459854adb3925e894770a8d23c209fd515c5045905fec04d

              SHA512

              085898d0b5d6637fbea4c0ea0be29c70fe9588960219de5845f324ce1f272fbe5a6c22e07677e602f3c90a44fcad0381b557159aa3e7126ae2ababbfafb6970c

            • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe

              Filesize

              4.4MB

              MD5

              fc4f4c9f8f9f4401ead279be1f4de6b5

              SHA1

              e58284242178fef00db71262eb1d5afee6b13d57

              SHA256

              100716c3ec3c63ab459854adb3925e894770a8d23c209fd515c5045905fec04d

              SHA512

              085898d0b5d6637fbea4c0ea0be29c70fe9588960219de5845f324ce1f272fbe5a6c22e07677e602f3c90a44fcad0381b557159aa3e7126ae2ababbfafb6970c

            • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe

              Filesize

              4.4MB

              MD5

              fc4f4c9f8f9f4401ead279be1f4de6b5

              SHA1

              e58284242178fef00db71262eb1d5afee6b13d57

              SHA256

              100716c3ec3c63ab459854adb3925e894770a8d23c209fd515c5045905fec04d

              SHA512

              085898d0b5d6637fbea4c0ea0be29c70fe9588960219de5845f324ce1f272fbe5a6c22e07677e602f3c90a44fcad0381b557159aa3e7126ae2ababbfafb6970c

            • C:\Users\Admin\AppData\Local\Temp\is-V4HEU.tmp\c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-V4HEU.tmp\c8f20bad13c85f145ee45c9286504675a0d9377ebde4f7f6546fd5dfbbe51339.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • \Users\Admin\AppData\Local\Temp\is-OIA5B.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-OIA5B.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • \Users\Admin\AppData\Local\Temp\is-OIA5B.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/616-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/616-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2720-91-0x0000000000AD0000-0x0000000000B7D000-memory.dmp

              Filesize

              692KB

            • memory/2720-83-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-118-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-67-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-68-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-115-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-112-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-71-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-109-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-75-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-76-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-77-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-80-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-106-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-86-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-89-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-90-0x0000000000AD0000-0x0000000000B7D000-memory.dmp

              Filesize

              692KB

            • memory/2720-103-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-96-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-99-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2720-100-0x0000000000AD0000-0x0000000000B7D000-memory.dmp

              Filesize

              692KB

            • memory/2896-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/2896-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/2896-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/4192-59-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4192-60-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4192-64-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB