Analysis

  • max time kernel
    178s
  • max time network
    92s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    04/07/2023, 23:40

General

  • Target

    SKlauncher 3.1.exe

  • Size

    1.1MB

  • MD5

    021b53abfc25a261077282498e5726a0

  • SHA1

    ba7f38a28444504e6e8e1f995cc40ceb70ff6409

  • SHA256

    c3db9475c3ab6b53d8f6d711f587e5218c9b8d332229a208277bc0b27a24b620

  • SHA512

    484bb65ecb1ccd3e5472a27737fd2fa4471240aeefcf4bfdeaf4e49636cec9b3e43a5c2feb7134074c92af01f52a456b8074aca8269480e210cfa3b51acae81d

  • SSDEEP

    24576:7h1tjL2uma7hLQKaikK21SHCJ3ny+SGiPsGSa7tLC+/e0cUEcnr:sghMKai1viny6iPH5hF/e0m2r

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.1.exe
    "C:\Users\Admin\AppData\Local\Temp\SKlauncher 3.1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1284
    • 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 3.1.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:2740

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4816304189000.dll

          Filesize

          21KB

          MD5

          4ca3290a99adadde557930cd481d7539

          SHA1

          26034442a76131dd3d37c8f28b6e9bebc7c1fe7c

          SHA256

          dd130c68dc36bcedbe51a6b8ec3b3358a460d45952f6280e12331f48850b6b3b

          SHA512

          9341c60f92dd3f89f82555055924bdae6fcce1e4cd13a7dde5129ebdce04bae377292237a2ed6c3e7623b242e82b01c7ed1717af4d7db8ca473e9fd7b7b190d5

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

          Filesize

          8.9MB

          MD5

          31506f0782b91bebb40652f1e8b8d01e

          SHA1

          61be4918a4564317a7503c830a82b2e09e72c92c

          SHA256

          7c642c22a04199147eec534f24fdb83b3883d55012088c1dbf8c5c917548261f

          SHA512

          ffc1fcb5ee09e67f9fd7935049392d27f23fa6c6b859854a8bcddd71e45c90d961eb2704e4f5861895bcc4bc4a5cb272b3182d76b7cb19398a121a55af9e84b4

        • memory/1284-133-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2740-231-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-179-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-180-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-193-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-216-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-148-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-236-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-248-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-253-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-265-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-267-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-281-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB

        • memory/2740-144-0x0000000000980000-0x0000000000981000-memory.dmp

          Filesize

          4KB