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Analysis

  • max time kernel
    1791s
  • max time network
    1783s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/03/2023, 20:37

General

  • Target

    SKlauncher 3.0.exe

  • Size

    1.2MB

  • MD5

    32c7e3347f8e532e675d154eb07f4ccf

  • SHA1

    5ca004745e2cdab497a7d6ef29c7efb25dc4046d

  • SHA256

    107bb526c374d6fd9f45317c0c16e83ab50076f2bcd630caf3d6794596fae69b

  • SHA512

    c82f3a01719f30cbb876a1395fda713ddba07b570bc188515b1b705e54e15a7cca5f71f741d51763f63aa5f40e00df06f63b341ed4db6b1be87b3ee59460dbe2

  • SSDEEP

    24576:Dh199z42ojP6a7HJlF9eu5XFQZSIZeNGdmEE8H17UBcegl:R9zbgH3euNFQZr/oEE892cfl

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe
    "C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -Xms32m -Xmx256m -jar "C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.0.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3744
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c reg query HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize /v AppsUseLightTheme
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1100
        • C:\Windows\system32\reg.exe
          reg query HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize /v AppsUseLightTheme
          4⤵
            PID:2372

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\.minecraft\sklauncher-fx.jar

      Filesize

      14.5MB

      MD5

      2d36266b3563e77791443e7bbb0419f0

      SHA1

      83fbca628e8e0e8802bfea08126b3f94f73ef2fb

      SHA256

      0043eed9107bb0a58956933aa0445ee0634475de1b4ecd06c5cb242a70576711

      SHA512

      575d8938b24fa53b13c23de1e77278783b58a7d9976f7ccc680747eed4b881aa9b646f044a9a632b56bc1e46b0b54d199546be055c37ef56e96263033a84f8c9

    • \Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4054990584520.dll

      Filesize

      9KB

      MD5

      697d496ac9f5aaab8ae025322358c61e

      SHA1

      2043eac8cdcc2e24b854af1eacd77a5f2a395a27

      SHA256

      a7273a4cf48ab3413f2c186cc95a3367a73ce99f8d45329383219d4cc27003aa

      SHA512

      b6702cd49a3af9f97f697565136f140692af9f8b271e672f2e91c920a23212b778583786f2377078117113647926338614a92c4a2423318b7a21ba2fe3a89838

    • memory/3704-116-0x0000000000400000-0x0000000000435000-memory.dmp

      Filesize

      212KB

    • memory/3744-196-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-134-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-201-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-203-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-205-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-222-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-243-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-256-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-257-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-129-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-279-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-300-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB

    • memory/3744-302-0x0000000002960000-0x0000000002961000-memory.dmp

      Filesize

      4KB