Analysis

  • max time kernel
    143s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2023, 20:23

General

  • Target

    da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.exe

  • Size

    4.6MB

  • MD5

    dc32f42c6b83e02882a9455e069fc677

  • SHA1

    c33675bf7c955b6960a408d8339bb4ac37ba7d46

  • SHA256

    da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac

  • SHA512

    b666cc525c006b8953dcecb861198adf4300c6659fd53aece0aff2800edb56febfa28981c7ec40aa00c714c337c0b460fd7265c99c01682dfe6ba6b392005b9f

  • SSDEEP

    98304:H5oCJriAVatRCRQuUBNCbnJUzcbgSYq+3wZ4MTwx3zXylE:YxYGJ6bnpsSn9TwBeu

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\da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.exe
    "C:\Users\Admin\AppData\Local\Temp\da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\is-SFE95.tmp\da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SFE95.tmp\da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.tmp" /SL5="$A0116,4553531,54272,C:\Users\Admin\AppData\Local\Temp\da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3456
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4196
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2812
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4360
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4684
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:564

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        3.7MB

        MD5

        eb3e3f3d9ad5f62afb6f6ef2eb417a85

        SHA1

        c97345a2ec7346c4ba14980e1cb857de1289d548

        SHA256

        88bd5712888c6b14aaf622f396e2af7020e59847f6c27ba66b8c82e878b24cc6

        SHA512

        d1c8c24c50c3770f30a879454f99bc0d40326a2acdc7bb6242a3cb3acf4257d921da45af213c848237a7ad438b3f2cc6fae2ab15e1b3f4082f68e8576d92a143

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

        Filesize

        3.7MB

        MD5

        eb3e3f3d9ad5f62afb6f6ef2eb417a85

        SHA1

        c97345a2ec7346c4ba14980e1cb857de1289d548

        SHA256

        88bd5712888c6b14aaf622f396e2af7020e59847f6c27ba66b8c82e878b24cc6

        SHA512

        d1c8c24c50c3770f30a879454f99bc0d40326a2acdc7bb6242a3cb3acf4257d921da45af213c848237a7ad438b3f2cc6fae2ab15e1b3f4082f68e8576d92a143

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

        Filesize

        3.7MB

        MD5

        eb3e3f3d9ad5f62afb6f6ef2eb417a85

        SHA1

        c97345a2ec7346c4ba14980e1cb857de1289d548

        SHA256

        88bd5712888c6b14aaf622f396e2af7020e59847f6c27ba66b8c82e878b24cc6

        SHA512

        d1c8c24c50c3770f30a879454f99bc0d40326a2acdc7bb6242a3cb3acf4257d921da45af213c848237a7ad438b3f2cc6fae2ab15e1b3f4082f68e8576d92a143

      • C:\Users\Admin\AppData\Local\Temp\is-K5EV5.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-K5EV5.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-K5EV5.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-SFE95.tmp\da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-SFE95.tmp\da651396c740d3407a735c22ef077b8f56796013b853a50e2aa73b469338acac.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • memory/1860-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1860-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2812-59-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/2812-60-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/2812-63-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/2812-64-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/3456-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/3456-6-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/3456-72-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/4360-71-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-89-0x0000000000920000-0x00000000009CD000-memory.dmp

        Filesize

        692KB

      • memory/4360-66-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-75-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-76-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-79-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-82-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-85-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-88-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-68-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-94-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-97-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-98-0x0000000000920000-0x00000000009CD000-memory.dmp

        Filesize

        692KB

      • memory/4360-101-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-104-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-107-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-111-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-114-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/4360-117-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB