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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 09:12

General

  • Target

    254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935.exe

  • Size

    6.9MB

  • MD5

    a1ea40b194d741636b8a5b5cc01b2c08

  • SHA1

    01c2c90e2784eac53c6842fec066143c3fbcb66c

  • SHA256

    254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935

  • SHA512

    0fcf2224a9784726716f91f1f5825ce08f1c212af70769991d761f2025714eaa6887cdfb54699703274c315978f5f555222b3f6baea9fc8396507c4818d045fa

  • SSDEEP

    196608:6H/2cOhoGEpX+jRFRvz29jgM7+3Utny3r/mvZO0agzj:3cOhoGE1ArRvqlgM7xtAT0Hzj

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\254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935.exe
    "C:\Users\Admin\AppData\Local\Temp\254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\is-SBQB7.tmp\254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SBQB7.tmp\254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935.tmp" /SL5="$9006E,6982471,68096,C:\Users\Admin\AppData\Local\Temp\254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:908
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1612
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2052
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4164
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3972

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        488KB

        MD5

        146d7af391aaef30303ac555dcaa13d6

        SHA1

        90e6ca506f7862b34b5f8517efa4f5f8a452088d

        SHA256

        d792599699061b621de60eed2ddc84b65ae54b7a3654229f84a80f19d2fbd098

        SHA512

        1f0e7584c82740a6942fb4aac890f2f7c16954a616a08c01b2cfff1bd17f9e347200b072ad84cff074b7973a3491eca078ebd34d32ba676b8395247d22c8e289

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        214KB

        MD5

        51a4dd7e33313402a7a55c1ef71cd452

        SHA1

        5b23e867d6432fb16926c4c08e3e54162bb6a349

        SHA256

        b6b204ca7ea56aa5f77f8282575944792a3395b3d057d8b3e359cc5553587fcf

        SHA512

        1c42997b8918bac20f41bdbc66fb8d59687bba5ae188dd6b25736b966fdb3c06a0912d7aefb86e0404b38fcca34d33161a956ac72fada6e74c6e77023856be11

      • C:\Program Files (x86)\WMAFormat\wmaformat.exe

        Filesize

        64KB

        MD5

        b64784a4baec8e8c93875f40c057423a

        SHA1

        18c41e37cc76a34a66849a601a78172ef6189668

        SHA256

        e211819198a555a5cdff9ae3f1fc31b88c4e4307eb95bf7585d4b727f9bf43c0

        SHA512

        033a67e546bbaa7f22f719b746d1bccd3a440ce9e90efde55a7ff25cfeb82c51017a2e9a66fd69d617b25f7dc9fb0fe726cbfe998c7c059ab4bd9f843d622bce

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-SBQB7.tmp\254d41fc2a8afd24e4ca912e63abd679cf37ed013b140ceb9701c6b9aea25935.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1112-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1112-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1112-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/1612-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1612-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1612-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1612-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-179-0x0000000000880000-0x000000000091E000-memory.dmp

        Filesize

        632KB

      • memory/2052-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-183-0x0000000000880000-0x000000000091E000-memory.dmp

        Filesize

        632KB

      • memory/2052-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-190-0x0000000000880000-0x000000000091E000-memory.dmp

        Filesize

        632KB

      • memory/2052-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2052-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3040-7-0x0000000000750000-0x0000000000751000-memory.dmp

        Filesize

        4KB

      • memory/3040-163-0x0000000000750000-0x0000000000751000-memory.dmp

        Filesize

        4KB

      • memory/3040-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB