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Analysis

  • max time kernel
    533s
  • max time network
    498s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    27/06/2023, 13:02

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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:1560
    • 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:4384
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4844
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1848

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-9278931660000.dll

      Filesize

      21KB

      MD5

      4ca3290a99adadde557930cd481d7539

      SHA1

      26034442a76131dd3d37c8f28b6e9bebc7c1fe7c

      SHA256

      dd130c68dc36bcedbe51a6b8ec3b3358a460d45952f6280e12331f48850b6b3b

      SHA512

      9341c60f92dd3f89f82555055924bdae6fcce1e4cd13a7dde5129ebdce04bae377292237a2ed6c3e7623b242e82b01c7ed1717af4d7db8ca473e9fd7b7b190d5

    • memory/1560-133-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/4384-144-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB

    • memory/4384-148-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB

    • memory/4384-149-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB

    • memory/4384-153-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB

    • memory/4384-165-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB

    • memory/4384-183-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB

    • memory/4384-185-0x0000000000820000-0x0000000000821000-memory.dmp

      Filesize

      4KB