Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2023, 02:40

General

  • Target

    bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.exe

  • Size

    4.6MB

  • MD5

    2c737fc167cd0f9cda14714df3216fc1

  • SHA1

    541176638323d70cbe6ee76c0a319ed83dc036eb

  • SHA256

    bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76

  • SHA512

    5531389c30139319ad929f93c6116c07bf96276f30930ec47e07e9f4655eb0fd672fd55bd1fa7460428ee483c025ed552b062b01eee4391f4beb5423a5eed0b9

  • SSDEEP

    98304:1xHuoJAeZBGyf5ezguZGJx7eShXOHQbAMkTB5WElE:vBGOIyfMkJlhzmLu

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.exe
    "C:\Users\Admin\AppData\Local\Temp\bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Users\Admin\AppData\Local\Temp\is-HBLP3.tmp\bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HBLP3.tmp\bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.tmp" /SL5="$E003E,4558956,54272,C:\Users\Admin\AppData\Local\Temp\bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4664
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3800
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3212
        • C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe
          "C:\Program Files (x86)\Common Files\BusinessTV\BusinessTV.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1204
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 25
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1940
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 25
            4⤵
              PID:1492

      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-HBLP3.tmp\bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-HBLP3.tmp\bfb365851a5dea31f27b0538ae6e7fa2e4d360a09c8d75cfeaefcb4db63f0e76.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-P3QJ4.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-P3QJ4.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-P3QJ4.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • memory/560-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/560-68-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1204-89-0x0000000000A10000-0x0000000000ABD000-memory.dmp

              Filesize

              692KB

            • memory/1204-101-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-116-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-67-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-113-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-110-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-70-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-107-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-74-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-75-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-76-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-79-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-82-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-85-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-104-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-88-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-94-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-97-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/1204-98-0x0000000000A10000-0x0000000000ABD000-memory.dmp

              Filesize

              692KB

            • memory/3212-63-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/3212-59-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/3212-60-0x0000000000400000-0x00000000007B4000-memory.dmp

              Filesize

              3.7MB

            • memory/4664-6-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/4664-71-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/4664-69-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB