Analysis

  • max time kernel
    95s
  • max time network
    80s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240214-en
  • resource tags

    arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21/02/2024, 02:22

General

  • Target

    mpv.net-v7.1.1.0-setup.exe

  • Size

    30.6MB

  • MD5

    33c7108c5866535d48120698ae702a5b

  • SHA1

    98aa3eedab62a05f869b20f5dfc3374041f318b8

  • SHA256

    11348ce74df3098c2b0e809121f1fb3d13ddd058b637094a5ecc44bc5107e0ca

  • SHA512

    455c6bff43bcf57b238c42b69df554c3eedbbaedc82bf239f3cac9664f8d1e6146115dcc16a8b776302938eeb28fb688cb0c1651abfd428c9b59408b67f74712

  • SSDEEP

    786432:ajgHjPhlV4cR4g8Rl2NUO49fTn6sUzrkpnGJX48:wsL7V4cYRl2N66sUzrSn6XZ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • 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 32 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mpv.net-v7.1.1.0-setup.exe
    "C:\Users\Admin\AppData\Local\Temp\mpv.net-v7.1.1.0-setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\is-3GVVI.tmp\mpv.net-v7.1.1.0-setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3GVVI.tmp\mpv.net-v7.1.1.0-setup.tmp" /SL5="$301FA,31057434,1047040,C:\Users\Admin\AppData\Local\Temp\mpv.net-v7.1.1.0-setup.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:1832
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1376
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:768

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\mpv.net\mpvnet.exe

      Filesize

      410KB

      MD5

      d458d8677a4178445b257ff66985b122

      SHA1

      ce91ff35533eb6537cea4bc66b82b6c116f58e2b

      SHA256

      037a884c0e1313c4e41bbcf5334c99963f07ea2fdf1d0c8bd5476143158e2068

      SHA512

      ef12430bceac412f130ce0d52f3becc9801a4710ef31d94ed57e9cafc3abc2db7ccfd350e2b0d101957e39979596a30cd4a82e95911423545472507a0eede345

    • C:\Users\Admin\AppData\Local\Temp\is-3GVVI.tmp\mpv.net-v7.1.1.0-setup.tmp

      Filesize

      3.2MB

      MD5

      0972caaf69c3d2b12f717a183f9f95c6

      SHA1

      3da6745d9e236a31311397dbe481f18e58aa31d5

      SHA256

      9549c6e5d461dbcb8e086d8c4aa12b00f1bbe461c3535e4228c359eb183649f7

      SHA512

      886b476b90003c875fad0a42b1724dbdc45fb2e7899ff7ae60034a88b2ed2217151b8c3b370c0b6c266516e5fc4fdb60e43c1c4653d83debc5b3fec19999938f

    • memory/1096-0-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/1096-7-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/1096-60-0x0000000000400000-0x000000000050D000-memory.dmp

      Filesize

      1.1MB

    • memory/1832-5-0x0000000002740000-0x0000000002741000-memory.dmp

      Filesize

      4KB

    • memory/1832-15-0x0000000000400000-0x0000000000749000-memory.dmp

      Filesize

      3.3MB

    • memory/1832-59-0x0000000000400000-0x0000000000749000-memory.dmp

      Filesize

      3.3MB