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Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 12:19

General

  • Target

    0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71.exe

  • Size

    6.9MB

  • MD5

    866688d0baf14d0adb0de76ce1093404

  • SHA1

    af9e54cca7cc94e4663ba8753f608331cdf5739e

  • SHA256

    0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71

  • SHA512

    e3222b774ca4f46e2f76d83c44dbfa1126430c51f9fc70efddcbf8ea8a64a0115fd6cf40abc76a06275672ebab2373196f8a573b66e70b820ece286907149fee

  • SSDEEP

    196608:dW0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:dtO/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\0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71.exe
    "C:\Users\Admin\AppData\Local\Temp\0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Users\Admin\AppData\Local\Temp\is-R3G76.tmp\0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-R3G76.tmp\0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71.tmp" /SL5="$501E4,6973457,68096,C:\Users\Admin\AppData\Local\Temp\0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3300
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4700
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:512
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4440
          • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
            "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        11793f6b69b2df9823a26f0356c191da

        SHA1

        ee7d551f6bcdd993f338a73fbef8e4f2a7e072fd

        SHA256

        ee80b4359afed08948ef90984bb846e18ef2ba254253322d6a7d64b60654fb3a

        SHA512

        c482e23f88615c1ca6b44a097c909ccf763f1158c9bd1a8689c1a6590cbc2717f3dd0173a14b582076fe57d00ab50e900caae650a0f6f90d917215a843473b3d

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

        Filesize

        1.4MB

        MD5

        c9570f04b5122950e9e720f99d91ccca

        SHA1

        9d1e0c85b0d5a64b31488995d08a4659f889e2e3

        SHA256

        09a75d39a41616a32c7e85d026206660a4b368e5f6602cdc68a797127c79d8d6

        SHA512

        e45b3b78a496c14d399edeff818d2d9b07011a2a8b03280e8b7121024465df40466fa59a3f14eaa8810be9007892d51a747219974ac015c5951a65c1b5033ddc

      • C:\Users\Admin\AppData\Local\Temp\is-R3G76.tmp\0d7eecc7889379bb7739659d14267cae044d5a8afcdc87b92b60e0e8713a2b71.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-4JD1K.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-4JD1K.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/912-1-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/912-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3616-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-190-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/3616-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-179-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/3616-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-183-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/3616-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3616-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4700-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4700-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4700-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4700-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4980-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4980-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4980-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB