Analysis

  • max time kernel
    143s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/07/2023, 20:31

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:3296
    • 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:4776

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4767774351000.dll

    Filesize

    21KB

    MD5

    4ca3290a99adadde557930cd481d7539

    SHA1

    26034442a76131dd3d37c8f28b6e9bebc7c1fe7c

    SHA256

    dd130c68dc36bcedbe51a6b8ec3b3358a460d45952f6280e12331f48850b6b3b

    SHA512

    9341c60f92dd3f89f82555055924bdae6fcce1e4cd13a7dde5129ebdce04bae377292237a2ed6c3e7623b242e82b01c7ed1717af4d7db8ca473e9fd7b7b190d5

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

    Filesize

    2.1MB

    MD5

    959b6259df6263b7f73e8a5f3fc670d6

    SHA1

    fd43cc7583b4e91724530a6fa6527c103909e67e

    SHA256

    5a808a190cd6068c10eb185b74f11a1d7de6bc9e601ec392525c4d58ade778ae

    SHA512

    6be8a5f0c6e2f796bda8dc72324acf5d092847fe8093e9701f69e3b052befba3d83b003620954b1ee848a2f2a031fa95f11d97eae3b8828dfe40fba2a2c20dc2

  • memory/3296-133-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4776-217-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-168-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-178-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-148-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-224-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-232-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-238-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-251-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-261-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-267-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-271-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB

  • memory/4776-144-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB