Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2023, 10:27

General

  • Target

    04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.exe

  • Size

    5.2MB

  • MD5

    7aa66c9e9b3ba93d1acd371b1a0f35e4

  • SHA1

    0183bf44cf385f225974ebab185c29682feaae82

  • SHA256

    04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90

  • SHA512

    23f4a69f2ca00c02ffe2bf72e51c959095f23e3290a7bdb552abfa7ea287d169fa80564c48d41ba4f052f436697b6c610d49163e7efb51a6aca84e91efd2a786

  • SSDEEP

    98304:UchHMKyDyc70SwAvO01JgBixtqMhlE4f+Ue/czLiRZvcFqhblsXlwagEblE:Ly3l80DBl5f+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\04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.exe
    "C:\Users\Admin\AppData\Local\Temp\04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\is-749C5.tmp\04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-749C5.tmp\04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.tmp" /SL5="$70162,5168582,54272,C:\Users\Admin\AppData\Local\Temp\04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:820
        • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
          "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1604
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3572
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:4904
          • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
            "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4912

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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-749C5.tmp\04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-749C5.tmp\04907f439a12785779dbf7d396ae2cbf48568a770f052a92ec7bf99e1b668e90.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-ESE65.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-ESE65.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-ESE65.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/1604-65-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/1604-60-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/1604-61-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/1604-64-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/2028-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2028-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2028-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/2236-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

              Filesize

              4KB

            • memory/2236-72-0x00000000006A0000-0x00000000006A1000-memory.dmp

              Filesize

              4KB

            • memory/2236-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/4912-71-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-68-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-75-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-76-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-79-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-82-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-85-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-88-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-89-0x0000000000960000-0x0000000000A0D000-memory.dmp

              Filesize

              692KB

            • memory/4912-94-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-97-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-98-0x0000000000960000-0x0000000000A0D000-memory.dmp

              Filesize

              692KB

            • memory/4912-101-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-104-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-107-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-111-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-114-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB

            • memory/4912-117-0x0000000000400000-0x0000000000871000-memory.dmp

              Filesize

              4.4MB