Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-11-2023 19:25

General

  • Target

    a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.exe

  • Size

    2.7MB

  • MD5

    e769728468fc0511f1611a6017747c3c

  • SHA1

    4c9b74339ab58f85fc8a9a42c5b1711a1fcc2ab9

  • SHA256

    a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b

  • SHA512

    507f3bdd0abb3f22270e07f4dcf934d7c87b95534a14c8b996293f0e676fccec72660c4821f03a3aecd7edec7bc6777ab55d679778a3bf82859012474e27634b

  • SSDEEP

    49152:32YwvLbBL8IQbDbq6hhFiucmUHq2uK3njQJJmgBkVrAhUQCe4f4/fzdedvQRY0E:mfvXBLk42UHuK3jWXWKOe4fWdmQlE

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\a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.exe
    "C:\Users\Admin\AppData\Local\Temp\a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Users\Admin\AppData\Local\Temp\is-13UMD.tmp\a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-13UMD.tmp\a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.tmp" /SL5="$60210,2631586,54272,C:\Users\Admin\AppData\Local\Temp\a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:516
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1432
        • C:\Program Files (x86)\Common Files\AVILine\AVILine.exe
          "C:\Program Files (x86)\Common Files\AVILine\AVILine.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4640
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 23
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3736
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 23
            4⤵
              PID:4448
          • C:\Program Files (x86)\Common Files\AVILine\AVILine.exe
            "C:\Program Files (x86)\Common Files\AVILine\AVILine.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4800

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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-13UMD.tmp\a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

      • C:\Users\Admin\AppData\Local\Temp\is-13UMD.tmp\a85fb40c764fb6992e0fb4dd988da57b8cfc19dbdc4d3131530c2e539063641b.tmp

        Filesize

        683KB

        MD5

        f507ce43ea08d1721816ad4b0e090f50

        SHA1

        e4f02bcd410bddabea4c741838d9a88386547629

        SHA256

        d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1

        SHA512

        37b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

        Filesize

        13KB

        MD5

        a813d18268affd4763dde940246dc7e5

        SHA1

        c7366e1fd925c17cc6068001bd38eaef5b42852f

        SHA256

        e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

        SHA512

        b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

      • memory/516-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/516-72-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/516-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/4104-69-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4104-1-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4640-60-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4640-61-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4640-65-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4640-64-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-88-0x0000000000730000-0x00000000007DD000-memory.dmp

        Filesize

        692KB

      • memory/4800-94-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-75-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-76-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-79-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-82-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-85-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-68-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-89-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-71-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-97-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-98-0x0000000000730000-0x00000000007DD000-memory.dmp

        Filesize

        692KB

      • memory/4800-101-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-104-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-107-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-111-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-114-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB

      • memory/4800-117-0x0000000000400000-0x0000000000606000-memory.dmp

        Filesize

        2.0MB