Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 13:03

General

  • Target

    32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe

  • Size

    6.9MB

  • MD5

    89e6892460592968fa3a4c37a6ec19c7

  • SHA1

    b7af4691e4ca6cc63f14e1fdffd86a6c15f978bc

  • SHA256

    32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331

  • SHA512

    9caae2741a15467cc0b69807393d800ea912f9dc7090e12301cc3e4fad4318e271766357cf9c6995bd815463891f0fe2032f78d56dbba8b5093385db8e226f82

  • SSDEEP

    196608:2W0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:2tO/hAPmVNyEWeNzj

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 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe
    "C:\Users\Admin\AppData\Local\Temp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp" /SL5="$5022A,6973457,68096,C:\Users\Admin\AppData\Local\Temp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
        "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3040
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 11
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1172
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 11
          4⤵
            PID:2520
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2968
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Query
          3⤵
            PID:3984

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

              Filesize

              215KB

              MD5

              11da3b7ee6fb74c0a5161dc107d031ed

              SHA1

              223f43c32840cab6a3aff5a5fe1ff353e4d88c8c

              SHA256

              0b7d48e7b837878bd92c1917b0ddf8048c522fbd9773e9db3f1963c9f56300eb

              SHA512

              b247719fbbffb5f5ed8d3bdb416fefc408291d3359b41590f0f2c7274cae4e75a8c98f9f40cbdc33828427b16a73277adf972965817b4c047e9458dc10f7d39e

            • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

              Filesize

              194KB

              MD5

              34970b3dbc24fa1bc62ed823a3381c7f

              SHA1

              e2d569b37f6afb37475898f7e3148eade64402f0

              SHA256

              8cf7c4d8712e60c60ea2982319cde24a419eb8c83881ef85a34aab1a109ff042

              SHA512

              b2c02bbc5c1182152d5b72c18fd26cc5416c563eb7a738e13ef929adee880d98198094c7d6f52dce0b0e13b7a454b8a7991b0acc0e15dca06a4095097c9817bf

            • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

              Filesize

              87KB

              MD5

              e72f8609433a7acdb487ae94f3c6b947

              SHA1

              eefc7a3b5388d712942d28e541557d75b1343e93

              SHA256

              ed9a011d5e269de3e4511faf52bde07551b79393e982bdd9aa6c4ec35f400bcc

              SHA512

              f8f93ee83ea5771c1ca259dcdbaaddddfddf6700f1e1b7c0391cb37519f041e7e54f392d50de853a6dd62297663fbac7c0990b586e4b78add017a957e805a47d

            • C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp

              Filesize

              577KB

              MD5

              956aef64dd5f431cf533b97be7fbcafc

              SHA1

              de8bfd7047eda18ea1388fb7c18a2647d7e9d44f

              SHA256

              558449fda256efefc083456215e73df0e1fe179bd81da0875e6f254cdec24b0e

              SHA512

              f245a90d19a65a8db43b72d5d5b57e4f9a4bf70eab0e5ccbadbbed1ac71009731a0409af21e312237256c4f9b29282c5d1ef99cf02db576a9e059bbd81bae419

            • C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp

              Filesize

              419KB

              MD5

              135d3482e8e272038df867e482c3f1f5

              SHA1

              edc5e86179f0d07bf7fe0185504d397de6386202

              SHA256

              aa40e9b003393c666870b978795aa06602f5e8b81e13f669792c31b9228d9d0e

              SHA512

              ce7c09113079f968d71818ae16643499c0330173fc2cf50e7d3a29ead89a6ae35a3631d2ef30acd73e1577361880d14feb0c88ef3486a7457c85fe2e14405d7f

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

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/2968-154-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2968-151-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2968-152-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/2968-155-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-162-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-190-0x00000000007D0000-0x000000000086E000-memory.dmp

              Filesize

              632KB

            • memory/3040-159-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-209-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-206-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-203-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-199-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-196-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-193-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-166-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-167-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-170-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-173-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-176-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-177-0x00000000007D0000-0x000000000086E000-memory.dmp

              Filesize

              632KB

            • memory/3040-182-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-183-0x00000000007D0000-0x000000000086E000-memory.dmp

              Filesize

              632KB

            • memory/3040-186-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-189-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3040-157-0x0000000000400000-0x00000000005CF000-memory.dmp

              Filesize

              1.8MB

            • memory/3440-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/3440-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/3440-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/3692-0-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3692-160-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB

            • memory/3692-2-0x0000000000400000-0x0000000000418000-memory.dmp

              Filesize

              96KB