Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2023 17:12

General

  • Target

    3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.exe

  • Size

    4.6MB

  • MD5

    ac26a9cbc8ba592cc91e27b6f681db88

  • SHA1

    0399348cff128efe82d987a64cb345b3af7108d8

  • SHA256

    3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0

  • SHA512

    8ce63cb708d78221eb7756b26ec36a019de107cd9c0ae8b70fde9db11717fea0ee54c4513b7b6acbdff9f4f8e1ae0d24137ddd9a579494a62ef74a3e09942bb5

  • SSDEEP

    98304:SxHuoJAeZBGyf5ezguZGJx7eShXOHQbAMkTB5WElE:8BGOIyfMkJlhzmLu

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\3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.exe
    "C:\Users\Admin\AppData\Local\Temp\3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\is-PTQU5.tmp\3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PTQU5.tmp\3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.tmp" /SL5="$90220,4558956,54272,C:\Users\Admin\AppData\Local\Temp\3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3804
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2888
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1628
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5112
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:2856
          • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
            "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -s
            3⤵
            • Executes dropped EXE
            PID:5116

      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

        99f88b5859f864ec523e66c29f0d6a60

        SHA1

        c932fc94dddc82a63ca9dbef2f4850ffd13d4813

        SHA256

        3be7e15db48b46517a36b516d43220f174c6b219ab600e13dc328d8122d63184

        SHA512

        a097454a2f3746d73ce7d8b8975afbb45ef19e3d36da9cf7aa6cda001ae45e464cf0db3d04aeb7f609f00a0aa56452d1230a6bffcebab258dbdd44e5d013cf51

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

        Filesize

        3.7MB

        MD5

        99f88b5859f864ec523e66c29f0d6a60

        SHA1

        c932fc94dddc82a63ca9dbef2f4850ffd13d4813

        SHA256

        3be7e15db48b46517a36b516d43220f174c6b219ab600e13dc328d8122d63184

        SHA512

        a097454a2f3746d73ce7d8b8975afbb45ef19e3d36da9cf7aa6cda001ae45e464cf0db3d04aeb7f609f00a0aa56452d1230a6bffcebab258dbdd44e5d013cf51

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

        Filesize

        3.7MB

        MD5

        99f88b5859f864ec523e66c29f0d6a60

        SHA1

        c932fc94dddc82a63ca9dbef2f4850ffd13d4813

        SHA256

        3be7e15db48b46517a36b516d43220f174c6b219ab600e13dc328d8122d63184

        SHA512

        a097454a2f3746d73ce7d8b8975afbb45ef19e3d36da9cf7aa6cda001ae45e464cf0db3d04aeb7f609f00a0aa56452d1230a6bffcebab258dbdd44e5d013cf51

      • C:\Users\Admin\AppData\Local\Temp\is-2DJGB.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-2DJGB.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-2DJGB.tmp\_isetup\_isdecmp.dll

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • C:\Users\Admin\AppData\Local\Temp\is-PTQU5.tmp\3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-PTQU5.tmp\3770a6427cc221583c05b6ab27bc954b79f35891362278ec8321521bd72903f0.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • memory/1628-60-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/1628-61-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/1628-65-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/1628-64-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/2704-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2704-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2704-70-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3804-71-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/3804-12-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/3804-73-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/5116-90-0x00000000009C0000-0x0000000000A6D000-memory.dmp

        Filesize

        692KB

      • memory/5116-98-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-67-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-76-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-77-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-80-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-83-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-86-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-69-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-89-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-95-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-72-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-99-0x00000000009C0000-0x0000000000A6D000-memory.dmp

        Filesize

        692KB

      • memory/5116-102-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-105-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-108-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-111-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-112-0x00000000009C0000-0x0000000000A6D000-memory.dmp

        Filesize

        692KB

      • memory/5116-113-0x00000000009C0000-0x0000000000A6D000-memory.dmp

        Filesize

        692KB

      • memory/5116-117-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB

      • memory/5116-120-0x0000000000400000-0x00000000007B4000-memory.dmp

        Filesize

        3.7MB