Analysis

  • max time kernel
    146s
  • max time network
    128s
  • 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, 07:00

General

  • Target

    6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1.exe

  • Size

    6.9MB

  • MD5

    4d3a85c1ed0b4c3c7ca6bba33e9a102d

  • SHA1

    b0d9c494cd7c1ccacbb5706c711526b6767ed23a

  • SHA256

    6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1

  • SHA512

    714772f37cc77abb068cdff509da554d73c30fa607781fbf553103003066ea88db81c026c81f1cc4aca2c636aedfb63b16adf43a9991984598599b33cc5863cb

  • SSDEEP

    98304:OzyQ4kc+v4jvDhsQepuwmrkz216aPE8d9X+X1M2CX27eGqc6hxTGZtsAzFjTidLb:LQ4PTP94zHQ9OX1M2CGjn6hDc6LKEzj

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\6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1.exe
    "C:\Users\Admin\AppData\Local\Temp\6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Users\Admin\AppData\Local\Temp\is-74H13.tmp\6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-74H13.tmp\6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1.tmp" /SL5="$B0064,6985458,68096,C:\Users\Admin\AppData\Local\Temp\6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3456
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4732
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1664
        • C:\Program Files (x86)\WMAFormat\wmaformat.exe
          "C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5092
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4748
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3188

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        76KB

        MD5

        272e60c1b43dd348d95c2ab3f087f3c5

        SHA1

        87c7fd59c7d3bab4cbbb305e89b15cfa59413548

        SHA256

        1714ef1ba86d4e36ba9cba239d3517434b8b194c9ae42b73112330d06fb6b541

        SHA512

        afb6b09d714d2e149d832a9172200f4c8ea6d2c9070cc135a93f7a195a4d1f3a820f347e6d21ea7484e3c7934ee667b206602b498aac1adc840f68f941e43bec

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

        Filesize

        192KB

        MD5

        42a57c3f95f6cdec661c3ca67eeaf0c0

        SHA1

        dfc9acf5c88ca6fd4e7b8d478d42c8f64a6318c3

        SHA256

        5e6e4aa33a2697f98fb621c5e3798c0c4ad60c0266ca562090f27d7e18ab1593

        SHA512

        08bd69cb0d78dfe787e587033148f886ee6d7992a72ef7f48229f33339adeffc6ae94ffac7efddc0747f6c302a3ce639f90e2a3ee68b9519093a53e56926f93e

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

        Filesize

        739KB

        MD5

        512168e7a12563392baf2b6e9837412c

        SHA1

        7b3fab94b2ee746fdeb727b46cca279238a59219

        SHA256

        6ef068d5c7ff98f59cecaa97ff2ed571a0abd857b8bf7618854d504ef93ac3c7

        SHA512

        5547f02fd028550c2f2ad0a80050ff77d6cc5e4aea2372ffee5b57c98f3d3711ab469694845c9b0929aac0080ec5c50c6a296b68bb7d469d4abe12a25cd54ba4

      • C:\Users\Admin\AppData\Local\Temp\is-74H13.tmp\6c0101164cb126339e441e1c8403a0bb59b35132e7467ab5c6e0bc355d6ef9c1.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-KN9CG.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-KN9CG.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1664-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1664-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1664-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1664-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3456-163-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/3456-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3456-7-0x0000000002200000-0x0000000002201000-memory.dmp

        Filesize

        4KB

      • memory/4324-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4324-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4324-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/5092-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-182-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-178-0x00000000007C0000-0x000000000085E000-memory.dmp

        Filesize

        632KB

      • memory/5092-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-183-0x00000000007C0000-0x000000000085E000-memory.dmp

        Filesize

        632KB

      • memory/5092-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-190-0x00000000007C0000-0x000000000085E000-memory.dmp

        Filesize

        632KB

      • memory/5092-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/5092-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB