Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/08/2024, 21:38

General

  • Target

    SKlauncher-3.2.exe

  • Size

    1.6MB

  • MD5

    b63468dd118dfbca5ef7967ba344e0e3

  • SHA1

    2ba4f0df5f3bd284bf2a89aba320e4440d8b8355

  • SHA256

    05ae2f0dd61ef10019b94c200e8df192b767bb4cc24a7e7b329ab43cc9c74caf

  • SHA512

    007ecb7445dc0c01a802b5a2c91313aae59f9dc96e27455dd85e7a92a4e649d683fbc2ada5f48925d9ab3b4fdaea20aa89eeb442fde079902aecb5ca3454a548

  • SSDEEP

    49152:HIBc3n9dRvwVlzhFAQ/ggUTPQjYEiim7V:oBaO/FAqMQjYEXm

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.exe
    "C:\Users\Admin\AppData\Local\Temp\SKlauncher-3.2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1616
    • \??\c:\PROGRA~1\java\jre-1.8\bin\java.exe
      "c:\PROGRA~1\java\jre-1.8\bin\java.exe" -version
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3604
      • C:\Windows\system32\icacls.exe
        C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
        3⤵
        • Modifies file permissions
        PID:4680
    • \??\c:\PROGRA~1\java\jdk-1.8\jre\bin\java.exe
      "c:\PROGRA~1\java\jdk-1.8\jre\bin\java.exe" -version
      2⤵
        PID:3872
      • C:\Windows\SYSTEM32\reg.exe
        reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v AppsUseLightTheme
        2⤵
          PID:3196

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        3b11ba8dd2910ce63878442e06445064

        SHA1

        0f8f567c3a77b5fd705c3bd0df178a4f46a7e6d3

        SHA256

        9cf93fb4282c49ed59ac0a920bd3ce1984499ad229bb1fb32548713faebb3a4f

        SHA512

        d6976756ecbdd48f0dcfe8f09a656eb11991682c9207443259bac8ff8a7e9b6b4a75e13609f71761309e359be7d15dca6312ee8c86fd18d20398ff5d0f38bae8

      • C:\Users\Admin\AppData\Local\Temp\+JXF3832559307660029417.tmp

        Filesize

        405KB

        MD5

        8f2869a84ad71f156a17bb66611ebe22

        SHA1

        0325b9b3992fa2fdc9c715730a33135696c68a39

        SHA256

        0cb1bc1335372d9e3a0cf6f5311c7cce87af90d2a777fdeec18be605a2a70bc1

        SHA512

        3d4315d591dcf7609c15b3e32bcc234659fcdbe4be24aef5dba4ad248ad42fd9ab082250244f99dc801ec21575b7400aace50a1e8834d5c33404e76a0caac834

      • C:\Users\Admin\AppData\Local\Temp\+JXF7059462565529655834.tmp

        Filesize

        398KB

        MD5

        ff5fdc6f42c720a3ebd7b60f6d605888

        SHA1

        460c18ddf24846e3d8792d440fd9a750503aef1b

        SHA256

        1936d24cb0f4ce7006e08c6ef4243d2e42a7b45f2249f8fe54d92f76a317dfd1

        SHA512

        d3d333b1627d597c83a321a3daca38df63ea0f7cab716006935905b8170379ec2aab26cb7ffc7b539ca272cf7fb7937198aee6db3411077bedf3d2b920d078a3

      • C:\Users\Admin\AppData\Local\Temp\+JXF743862305203235479.tmp

        Filesize

        397KB

        MD5

        fdb50e0d48cdcf775fa1ac0dc3c33bd4

        SHA1

        5c95e5d66572aeca303512ba41a8dde0cea92c80

        SHA256

        64f8be6e55c37e32ef03da99714bf3aa58b8f2099bfe4f759a7578e3b8291123

        SHA512

        20ce8100c96058d4e64a12d0817b7ce638cec9f5d03651320eb6b9c3f47ee289ccc695bd3b5b6bf8e0867cdab0ebb6e8cae77df054e185828a6a13f3733ede53

      • C:\Users\Admin\AppData\Local\Temp\e4j69E5.tmp_dir1723239523\SKlauncher-3.2.jar

        Filesize

        1.1MB

        MD5

        4d653e61ba01a521c56b9a70a9c9814e

        SHA1

        de855dc3dbc914b497b58da92e0c21fff660796d

        SHA256

        f7d3e01dcfc001cc80a988c518d4358955842d140054214d1367972c5c543350

        SHA512

        e6a7db6e2893b5b01dd0c84a230d88abf50da63ceb1af5754a2c4c1fbd307a799a74f3f368430d3beb33590cda2e0a3cf509fef11c4477b76e8d3c4a582b5def

      • C:\Users\Admin\AppData\Roaming\.minecraft\launcher_profiles.json.bak

        Filesize

        559B

        MD5

        0ef0665ceea57a546a83a13580263575

        SHA1

        4a0bbe4ab10ffbbfa71d9804e27c563a8193137e

        SHA256

        3a2636fce8c4ac25ab45e5d478fd922599458c3308df526e7cdf8f673cd00077

        SHA512

        505454e4807d4d55f5dbf61f1704e46d40ecfb7758f71f804513b147acbc742d35b4ee826fe3d3cdb0b859a8322b35985809dbe6081806f8c9b45b515681a6d3

      • C:\Users\Admin\AppData\Roaming\.minecraft\runtime\java-runtime-delta\legal\jdk.accessibility\ASSEMBLY_EXCEPTION

        Filesize

        43B

        MD5

        bd468da51b15a9f09778545b00265f34

        SHA1

        c80e4bab46e34d02826eab226a4441d0970f2aba

        SHA256

        7901499314e881a978d80a31970f0daec92d4995f3305e31fb53c38d9cc6ec3b

        SHA512

        2c1d43c3e17bb2fca24a77bea3d2b3954a47da92e0cdd0738509bffcdbe2935c11764cd5af50439061638bba8b8d59da29e97ea7404ea605f7575fc13395ca93

      • C:\Users\Admin\AppData\Roaming\.minecraft\runtime\java-runtime-delta\legal\jdk.jshell\ADDITIONAL_LICENSE_INFO

        Filesize

        48B

        MD5

        512f151af02b6bd258428b784b457531

        SHA1

        84d2102ad171863db04e7ee22a259d1f6c5de4a5

        SHA256

        d255311b0a181e243de326d111502a8b1dc7277b534a295a8340ab5230e74c83

        SHA512

        1a305bc333c7c2055a334dc67734db587fd6fda457b46c8df8f17ded0a8982e3830970bee75cc17274aa0a4082f32792b5dbff88410fa43cc61b55c1dce4c129

      • C:\Users\Admin\AppData\Roaming\.minecraft\runtime\java-runtime-delta\legal\jdk.sctp\LICENSE

        Filesize

        32B

        MD5

        663f71c746cc2002aa53b066b06c88ab

        SHA1

        12976a6c2b227cbac58969c1455444596c894656

        SHA256

        d60635c89c9f352ae1e66ef414344f290f5b5f7ce5c23d9633d41fde0909df80

        SHA512

        507b7d09d3bcd9a24f0b4eeda67167595ac6ad37cd19fb31cd8f5ce8466826840c582cb5dc012a4bd51b55e01bb551e207e9da9e0d51948e89f962ba09606aab

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

        Filesize

        14.2MB

        MD5

        617b9e689754f5f96e3d3d75da20043c

        SHA1

        97415a0bb2a4e1e60d3e270753e90ecdfeda57b6

        SHA256

        d65c4b1115b47e8b3867bcdcf1baed949d5d3caa589c991446ccd6c6de5b46ad

        SHA512

        5937e666ff1135cdc55fe1fa7972bbf544b921e35ab87edbf19ab1be89dbe53a1e9a2753676229c51eac535a436b220afe615b00c4a201b8f7f93fbc92c46106

      • \Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4658365014800.dll

        Filesize

        22KB

        MD5

        dcd68a87b7e6edbcfde48150403b22eb

        SHA1

        28e4839a29725075772fccc39b44e194eb91e477

        SHA256

        ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c

        SHA512

        ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71

      • memory/1616-165-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-231-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-163-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-44-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-119-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-182-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-180-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-218-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-228-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-126-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-246-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-80-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1616-48-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/3604-5-0x0000025900000000-0x0000025900270000-memory.dmp

        Filesize

        2.4MB

      • memory/3604-17-0x0000025900000000-0x0000025900270000-memory.dmp

        Filesize

        2.4MB

      • memory/3604-15-0x0000025970F70000-0x0000025970F71000-memory.dmp

        Filesize

        4KB

      • memory/3872-30-0x000001644DD20000-0x000001644DD21000-memory.dmp

        Filesize

        4KB

      • memory/3872-31-0x000001644F610000-0x000001644F880000-memory.dmp

        Filesize

        2.4MB

      • memory/3872-20-0x000001644F610000-0x000001644F880000-memory.dmp

        Filesize

        2.4MB