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Analysis

  • max time kernel
    144s
  • max time network
    132s
  • 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, 09:34

General

  • Target

    a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.exe

  • Size

    5.2MB

  • MD5

    686bb03ffbb2259941d5679fee595772

  • SHA1

    99f3e8d16c84dd48fef2c6f66246a1a5be82fee2

  • SHA256

    a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49

  • SHA512

    5872620b90cbd48604a8c90514b8e61ff400668f38c5f11ed3dd1af04b7564219a9fe35a93689b05d0eae1e4e64440975b2024579452144681830b87378b3768

  • SSDEEP

    98304:FchHMKyDyc70SwAvO01JgBixtqMhlE4f+Ue/czLiRZvcFqhblsXlwagEblE:+y3l80DBl5f+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\a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.exe
    "C:\Users\Admin\AppData\Local\Temp\a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\is-089MS.tmp\a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-089MS.tmp\a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.tmp" /SL5="$801FC,5168582,54272,C:\Users\Admin\AppData\Local\Temp\a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4364
        • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
          "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2392
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 24
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4840
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 24
            4⤵
              PID:1476
          • C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe
            "C:\Program Files (x86)\Common Files\CrossTV\CrossTV.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3968

      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-089MS.tmp\a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-089MS.tmp\a0217a0938898aba73fe8ca3a3cd5a22241c8cb1755b0a6adbde3ec9fb1e6e49.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • \Users\Admin\AppData\Local\Temp\is-QDM5F.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-QDM5F.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • \Users\Admin\AppData\Local\Temp\is-QDM5F.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/1088-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1088-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1088-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/2392-59-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/2392-60-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/2392-64-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/2720-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2720-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3968-82-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-89-0x0000000000BF0000-0x0000000000C9D000-memory.dmp

        Filesize

        692KB

      • memory/3968-68-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-75-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-76-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-79-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-67-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-85-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-88-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-71-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-94-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-97-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-98-0x0000000000BF0000-0x0000000000C9D000-memory.dmp

        Filesize

        692KB

      • memory/3968-101-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-104-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-107-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-111-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-114-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB

      • memory/3968-117-0x0000000000400000-0x0000000000871000-memory.dmp

        Filesize

        4.4MB