Analysis

  • max time kernel
    259s
  • max time network
    255s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    08-06-2024 17:15

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:2804
    • \??\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:3028
      • 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:4736
    • \??\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:3212
      • C:\Windows\SYSTEM32\reg.exe
        reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v AppsUseLightTheme
        2⤵
          PID:5100

      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

        5a40a7278c74dba2540bfa474fdd114d

        SHA1

        b90f32064eac253e7402e676eaf114ff3a4bf826

        SHA256

        43beeb1eb3f9e5d51267ed1bd3fe441c13037757eeab4fad0d5d6c3654140fde

        SHA512

        5c5a1720626782952f93a59aa4fba6dca94488a6453700d1f2dc7fc8f7929a700c5b885bcb23b410914345f465bdd825554f88b4801139b177a8677f22dca734

      • C:\Users\Admin\AppData\Local\Temp\+JXF363496828975697099.tmp

        Filesize

        405KB

        MD5

        8f2869a84ad71f156a17bb66611ebe22

        SHA1

        0325b9b3992fa2fdc9c715730a33135696c68a39

        SHA256

        0cb1bc1335372d9e3a0cf6f5311c7cce87af90d2a777fdeec18be605a2a70bc1

        SHA512

        3d4315d591dcf7609c15b3e32bcc234659fcdbe4be24aef5dba4ad248ad42fd9ab082250244f99dc801ec21575b7400aace50a1e8834d5c33404e76a0caac834

      • C:\Users\Admin\AppData\Local\Temp\+JXF672270662575264628.tmp

        Filesize

        398KB

        MD5

        ff5fdc6f42c720a3ebd7b60f6d605888

        SHA1

        460c18ddf24846e3d8792d440fd9a750503aef1b

        SHA256

        1936d24cb0f4ce7006e08c6ef4243d2e42a7b45f2249f8fe54d92f76a317dfd1

        SHA512

        d3d333b1627d597c83a321a3daca38df63ea0f7cab716006935905b8170379ec2aab26cb7ffc7b539ca272cf7fb7937198aee6db3411077bedf3d2b920d078a3

      • C:\Users\Admin\AppData\Local\Temp\+JXF8273423094982734323.tmp

        Filesize

        397KB

        MD5

        fdb50e0d48cdcf775fa1ac0dc3c33bd4

        SHA1

        5c95e5d66572aeca303512ba41a8dde0cea92c80

        SHA256

        64f8be6e55c37e32ef03da99714bf3aa58b8f2099bfe4f759a7578e3b8291123

        SHA512

        20ce8100c96058d4e64a12d0817b7ce638cec9f5d03651320eb6b9c3f47ee289ccc695bd3b5b6bf8e0867cdab0ebb6e8cae77df054e185828a6a13f3733ede53

      • C:\Users\Admin\AppData\Local\Temp\e4j5F46.tmp_dir1717866990\SKlauncher-3.2.jar

        Filesize

        1.1MB

        MD5

        4d653e61ba01a521c56b9a70a9c9814e

        SHA1

        de855dc3dbc914b497b58da92e0c21fff660796d

        SHA256

        f7d3e01dcfc001cc80a988c518d4358955842d140054214d1367972c5c543350

        SHA512

        e6a7db6e2893b5b01dd0c84a230d88abf50da63ceb1af5754a2c4c1fbd307a799a74f3f368430d3beb33590cda2e0a3cf509fef11c4477b76e8d3c4a582b5def

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

        Filesize

        14.1MB

        MD5

        9b59fa715db2f9f8f6ed9e14f3768ed3

        SHA1

        9d46c5898c653fb1785e399b74f26633107d0bde

        SHA256

        fab6dede2f59dc4b7b6be032fbce1209a93aca02b7d6c126e3f1584148230146

        SHA512

        e9e84b056e0f1d8be544194a275ca61b5e6820dbbd701dec5aa75b804705ab33cb826314c0f6edd527cffa84de80062c559f9fb49c53b5bbfda9481bd138be5f

      • \Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4631121504700.dll

        Filesize

        22KB

        MD5

        dcd68a87b7e6edbcfde48150403b22eb

        SHA1

        28e4839a29725075772fccc39b44e194eb91e477

        SHA256

        ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c

        SHA512

        ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71

      • memory/2804-126-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-286-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-44-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-81-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-120-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-299-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-159-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-48-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-209-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-211-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-217-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/2804-285-0x00000000029E0000-0x00000000029E1000-memory.dmp

        Filesize

        4KB

      • memory/3028-5-0x000001DE06150000-0x000001DE063C0000-memory.dmp

        Filesize

        2.4MB

      • memory/3028-17-0x000001DE06150000-0x000001DE063C0000-memory.dmp

        Filesize

        2.4MB

      • memory/3028-15-0x000001DE04910000-0x000001DE04911000-memory.dmp

        Filesize

        4KB

      • memory/3212-30-0x000002D61A480000-0x000002D61A481000-memory.dmp

        Filesize

        4KB

      • memory/3212-31-0x000002D61BE10000-0x000002D61C080000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-20-0x000002D61BE10000-0x000002D61C080000-memory.dmp

        Filesize

        2.4MB