Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/11/2023, 18:35

General

  • Target

    b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.exe

  • Size

    2.7MB

  • MD5

    7354d1d4a47f2c25896431c341a5e525

  • SHA1

    e16613e5bd7838c3e3b821464483367ce9ee6211

  • SHA256

    b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2

  • SHA512

    eefa51dae1ed6d657f27b5ca85eb763c06cebb8569dd664a7aafda8d48b3102eb5820960113577d7b3157595bc60993e31c9cdc973e74bc56f554c45bb3db563

  • SSDEEP

    49152:12YwvLbBL8IQbDbq6hhFiucmUHq2uK3njQJJmgBkVrAhUQCe4f4/fzdedvQRY0E:wfvXBLk42UHuK3jWXWKOe4fWdmQlE

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\b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.exe
    "C:\Users\Admin\AppData\Local\Temp\b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Users\Admin\AppData\Local\Temp\is-KI09J.tmp\b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KI09J.tmp\b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.tmp" /SL5="$D01BE,2631586,54272,C:\Users\Admin\AppData\Local\Temp\b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4860
        • C:\Program Files (x86)\Common Files\AVILine\AVILine.exe
          "C:\Program Files (x86)\Common Files\AVILine\AVILine.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2848
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5000
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:1112
          • C:\Program Files (x86)\Common Files\AVILine\AVILine.exe
            "C:\Program Files (x86)\Common Files\AVILine\AVILine.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3604

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              2.0MB

              MD5

              60f31f53251ec8c731866a01308ecb2e

              SHA1

              fe01dab737dbfbe02083ec0f733c01d0c32168af

              SHA256

              846655efd1baef791637ed34f4ab5e5e24704ed6cf94c09739ecd5929d355e14

              SHA512

              c14828aac13dde8813c8d90719dc7a1700aa63fd28983148ee7e62f86360c0c1c5cb0e1e27d5b36dc701dc601d8a63de9c38127b895336297743ccab1394ab7f

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

              Filesize

              2.0MB

              MD5

              60f31f53251ec8c731866a01308ecb2e

              SHA1

              fe01dab737dbfbe02083ec0f733c01d0c32168af

              SHA256

              846655efd1baef791637ed34f4ab5e5e24704ed6cf94c09739ecd5929d355e14

              SHA512

              c14828aac13dde8813c8d90719dc7a1700aa63fd28983148ee7e62f86360c0c1c5cb0e1e27d5b36dc701dc601d8a63de9c38127b895336297743ccab1394ab7f

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

              Filesize

              2.0MB

              MD5

              60f31f53251ec8c731866a01308ecb2e

              SHA1

              fe01dab737dbfbe02083ec0f733c01d0c32168af

              SHA256

              846655efd1baef791637ed34f4ab5e5e24704ed6cf94c09739ecd5929d355e14

              SHA512

              c14828aac13dde8813c8d90719dc7a1700aa63fd28983148ee7e62f86360c0c1c5cb0e1e27d5b36dc701dc601d8a63de9c38127b895336297743ccab1394ab7f

            • C:\Users\Admin\AppData\Local\Temp\is-BM6FK.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-BM6FK.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-BM6FK.tmp\_isetup\_isdecmp.dll

              Filesize

              13KB

              MD5

              a813d18268affd4763dde940246dc7e5

              SHA1

              c7366e1fd925c17cc6068001bd38eaef5b42852f

              SHA256

              e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

              SHA512

              b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

            • C:\Users\Admin\AppData\Local\Temp\is-KI09J.tmp\b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • C:\Users\Admin\AppData\Local\Temp\is-KI09J.tmp\b591a99fdb201ab0eeee927e588687c012f151ea122b31d4f8099f927628b3c2.tmp

              Filesize

              683KB

              MD5

              f507ce43ea08d1721816ad4b0e090f50

              SHA1

              e4f02bcd410bddabea4c741838d9a88386547629

              SHA256

              d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

              SHA512

              37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

            • memory/2848-64-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/2848-65-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/2848-60-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/2848-61-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-71-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-97-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-117-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-68-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-114-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-110-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-107-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-104-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-75-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-76-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-79-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-82-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-85-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-89-0x00000000009A0000-0x0000000000A4D000-memory.dmp

              Filesize

              692KB

            • memory/3604-88-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-94-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-101-0x0000000000400000-0x0000000000606000-memory.dmp

              Filesize

              2.0MB

            • memory/3604-99-0x00000000009A0000-0x0000000000A4D000-memory.dmp

              Filesize

              692KB

            • memory/5032-7-0x00000000005D0000-0x00000000005D1000-memory.dmp

              Filesize

              4KB

            • memory/5032-73-0x00000000005D0000-0x00000000005D1000-memory.dmp

              Filesize

              4KB

            • memory/5032-70-0x0000000000400000-0x00000000004BA000-memory.dmp

              Filesize

              744KB

            • memory/5116-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/5116-69-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/5116-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB