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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 05:41

General

  • Target

    d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda.exe

  • Size

    6.9MB

  • MD5

    a763d6c372d36e71d7b782134e101ca6

  • SHA1

    f3cdb78a8b0c23f879b1e9be8ccb5d75ef2970ef

  • SHA256

    d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda

  • SHA512

    2ccadb2579dc3327eb19146f233cdb2a487b9e56f367a0db305408aef3920c248b3be3c5c5186d1083dc9225704569dc1d206128d2736d65fb9a309ac6486acd

  • SSDEEP

    196608:jyD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:y4Uvfc2RGatZcXF5uzj

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\d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda.exe
    "C:\Users\Admin\AppData\Local\Temp\d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2984
    • C:\Users\Admin\AppData\Local\Temp\is-RCMSV.tmp\d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-RCMSV.tmp\d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda.tmp" /SL5="$B0064,6986290,68096,C:\Users\Admin\AppData\Local\Temp\d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3508
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1216
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1572
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1548
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5092
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:1756

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.6MB

        MD5

        12062fe1f505527f39fafd12466d1678

        SHA1

        08ba826e6c278f24a8b9b555bebb21ed0e7f5c89

        SHA256

        0ffc3e551378caa7735af733e163c7e622fe91efd23b6d1b1e3ff0a45e7f6bc9

        SHA512

        16e7b5397951b22f8313cca9825ba041fc39ba61bb9452f6925f5c149ad4115c60898a97039036e8e8a3b83429dacf24550f0a3a9bdd33cdc7ca31304f5d1d34

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

        Filesize

        956KB

        MD5

        9e46d03b56eb5f40479b81c7d09d2d32

        SHA1

        d679c93e5dea6093f3dcd42a42cd4f0676db2e98

        SHA256

        d1e5a323260d8792ebac5225178827df2d987af839fef80007639cdb0787f3d8

        SHA512

        62285deb321e05ec5ba638020214ea76acad8a19bf10ee80db7da0fb09c0dd7c1a573b6b28f34de1435bb8d90c9ebfb1666225b5c415fd0be5443f3ece809f54

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

        Filesize

        289KB

        MD5

        ed108f4824d1166333466cc9e0a7f5f8

        SHA1

        e8f70b206d91e44692f2d4815445f7f068664f2c

        SHA256

        fd4a9de285c99c387f4a573ebbb97145678a427229bae748208dbb23cb839ee0

        SHA512

        6d6554a4f443bdc956a6267dc0f8b7d963d2d9e439c06763d46810ab6934c09915bd3916bcc2d72d86f77d98be1b4a33ff7b47a6d84a111e13deb86022af99a6

      • C:\Users\Admin\AppData\Local\Temp\is-83J86.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-83J86.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-RCMSV.tmp\d677a6846b14a38fc711f5bb8c90dbf8314ba27c2a35c06d4399a6780094bbda.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1548-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-183-0x0000000000820000-0x00000000008BE000-memory.dmp

        Filesize

        632KB

      • memory/1548-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-190-0x0000000000820000-0x00000000008BE000-memory.dmp

        Filesize

        632KB

      • memory/1548-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1548-179-0x0000000000820000-0x00000000008BE000-memory.dmp

        Filesize

        632KB

      • memory/1548-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1572-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1572-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1572-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1572-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2984-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2984-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2984-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3508-163-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/3508-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3508-7-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB