Analysis

  • max time kernel
    143s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 10:28

General

  • Target

    986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e.exe

  • Size

    6.9MB

  • MD5

    547ef2340ef6902f2cc73b6e0cc15659

  • SHA1

    b60693654473d7f05790d792929ed379115d3286

  • SHA256

    986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e

  • SHA512

    c653d77ca5873dc8ae5b7664b56cb0d0329277529b3e22f3154d32104ff739afe455efc87342b587b98bbb4c3ffb618b9182fca8317da2ec52962f1918031f50

  • SSDEEP

    196608:KyD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:94Uvfc2RGatZcXF5uzj

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\986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e.exe
    "C:\Users\Admin\AppData\Local\Temp\986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\is-L3N1G.tmp\986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-L3N1G.tmp\986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e.tmp" /SL5="$70206,6986290,68096,C:\Users\Admin\AppData\Local\Temp\986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4176
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4280
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:536
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1740
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4148
          • C:\Program Files (x86)\WMAFormat\wmaformat.exe
            "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4996

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.8MB

        MD5

        80ae868dca713b0dafa5b5c0c4c01ea1

        SHA1

        4721423a4e1af33c72882535985faec6c2847b66

        SHA256

        733153c137dac27187ec34a7df24028c4e6eff5a3cf436ac6b4c0b37350e25ca

        SHA512

        849e5f532425c5206365558c928db9d2f0e20fa254b4334dbfdcead750ff40470fa628cba715baa6f32db93a19d87a211a79e4bca79ae1d0d416f0eed531384d

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

        Filesize

        1.6MB

        MD5

        12d968291fd955ef99c46f5198d57c45

        SHA1

        8e08ae73e728aaf10b60b2647a0e017712ea6466

        SHA256

        5702814ef4275aa63910403e347fa94ee1262452acf06388c1a28a2e8e372961

        SHA512

        d4ec9dd94b51726468f8c5fb68064e4686511bcd2628024a7ecd66ea97bbd7a21a67f8a65a39c96b3c2824d6294e2eb991953d21f2913b6d56ccaa91b5b30df3

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

        Filesize

        850KB

        MD5

        1dccf29a17d8d989b63c6638a1d93fc7

        SHA1

        ab0efa7594ae14847c316d46a8f69aeed2c99609

        SHA256

        10fb063cf57b8b20eb942f670ef21e79f41d2e8509cb1dd8376457520e6ee7e8

        SHA512

        e46b739fc8c5208ef7a54519a1bf0570c917d7d2a6f4db30ccc2f5c14e490ea617bf4b7824ac9f6699df1c6526c69b159e272169a4506458587aecbf3ed84b72

      • C:\Users\Admin\AppData\Local\Temp\is-L3N1G.tmp\986caa56018afe24129e49427e98173755171962afb36d3be9867543cebe062e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-V6VC2.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-V6VC2.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/536-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/536-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/536-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/536-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2820-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2820-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2820-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4176-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4176-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4176-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4996-179-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/4996-183-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/4996-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-180-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-190-0x0000000000890000-0x000000000092E000-memory.dmp

        Filesize

        632KB

      • memory/4996-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4996-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB