Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/05/2024, 23:06

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 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⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2208
    • \??\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:4700
      • 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:4732
    • \??\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:1608
      • C:\Windows\SYSTEM32\reg.exe
        reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v AppsUseLightTheme
        2⤵
          PID:3536

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        cdae967882ec62638595e0f2ed7a042c

        SHA1

        daaeec58ba00ef26c5c7f5cf3082daa48cd9ac6a

        SHA256

        07b2abcb4b67a3bbafb9b0619bfcc5e3a7fadba724d4dd61d93727ccf2750813

        SHA512

        ab703d11f9d3e0b32ed3c5c48b5232317e64cba99ca4ceec475d7c35440f02e154264c0ace3dbffd5b40fadd419470ceabf4bc8fa151029c1e525fc86bed7fbd

      • C:\Users\Admin\AppData\Local\Temp\+JXF1763465297445153710.tmp

        Filesize

        398KB

        MD5

        ff5fdc6f42c720a3ebd7b60f6d605888

        SHA1

        460c18ddf24846e3d8792d440fd9a750503aef1b

        SHA256

        1936d24cb0f4ce7006e08c6ef4243d2e42a7b45f2249f8fe54d92f76a317dfd1

        SHA512

        d3d333b1627d597c83a321a3daca38df63ea0f7cab716006935905b8170379ec2aab26cb7ffc7b539ca272cf7fb7937198aee6db3411077bedf3d2b920d078a3

      • C:\Users\Admin\AppData\Local\Temp\+JXF3380844475647225464.tmp

        Filesize

        397KB

        MD5

        fdb50e0d48cdcf775fa1ac0dc3c33bd4

        SHA1

        5c95e5d66572aeca303512ba41a8dde0cea92c80

        SHA256

        64f8be6e55c37e32ef03da99714bf3aa58b8f2099bfe4f759a7578e3b8291123

        SHA512

        20ce8100c96058d4e64a12d0817b7ce638cec9f5d03651320eb6b9c3f47ee289ccc695bd3b5b6bf8e0867cdab0ebb6e8cae77df054e185828a6a13f3733ede53

      • C:\Users\Admin\AppData\Local\Temp\+JXF8895448109161492057.tmp

        Filesize

        405KB

        MD5

        8f2869a84ad71f156a17bb66611ebe22

        SHA1

        0325b9b3992fa2fdc9c715730a33135696c68a39

        SHA256

        0cb1bc1335372d9e3a0cf6f5311c7cce87af90d2a777fdeec18be605a2a70bc1

        SHA512

        3d4315d591dcf7609c15b3e32bcc234659fcdbe4be24aef5dba4ad248ad42fd9ab082250244f99dc801ec21575b7400aace50a1e8834d5c33404e76a0caac834

      • C:\Users\Admin\AppData\Local\Temp\e4j3E12.tmp_dir1714777595\SKlauncher-3.2.jar

        Filesize

        1.1MB

        MD5

        4d653e61ba01a521c56b9a70a9c9814e

        SHA1

        de855dc3dbc914b497b58da92e0c21fff660796d

        SHA256

        f7d3e01dcfc001cc80a988c518d4358955842d140054214d1367972c5c543350

        SHA512

        e6a7db6e2893b5b01dd0c84a230d88abf50da63ceb1af5754a2c4c1fbd307a799a74f3f368430d3beb33590cda2e0a3cf509fef11c4477b76e8d3c4a582b5def

      • C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-4545714195900.dll

        Filesize

        22KB

        MD5

        dcd68a87b7e6edbcfde48150403b22eb

        SHA1

        28e4839a29725075772fccc39b44e194eb91e477

        SHA256

        ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c

        SHA512

        ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2805101057728778106.dll

        Filesize

        248KB

        MD5

        719d6ba1946c25aa61ce82f90d77ffd5

        SHA1

        94d2191378cac5719daecc826fc116816284c406

        SHA256

        69c45175ecfd25af023f96ac0bb2c45e6a95e3ba8a5a50ee7969ccab14825c44

        SHA512

        119152b624948b76921aa91a5024006ef7c8fdbfe5f6fe71b1ec9f2c0e504b22508ff438c4183e60fa8de93eb35a8c7ccdda3a686e3c2f65c8185f1dd2ef248b

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

        Filesize

        17.2MB

        MD5

        5b0bfa78154b1c57ab68574af285fc6f

        SHA1

        bf9f6b357352f81a2e4427c4e5d839b89b32d3b7

        SHA256

        0e79303169cd0305c364885824b1ee91b15e6ede8b7eae02e808ad4c4c35a36f

        SHA512

        95dc94b13f82d61e5a168251665412c04710069a1b1679e9674d4a4dd2f824eff994e9ecd92f257a8abe1144239a8a4a6aa492c6b2e71d6faeb4d1e4a3c76d26

      • memory/1608-20-0x000002B38ADE0000-0x000002B38B050000-memory.dmp

        Filesize

        2.4MB

      • memory/1608-30-0x000002B3894F0000-0x000002B3894F1000-memory.dmp

        Filesize

        4KB

      • memory/1608-31-0x000002B38ADE0000-0x000002B38B050000-memory.dmp

        Filesize

        2.4MB

      • memory/2208-210-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-265-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-139-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-156-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-164-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-82-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-191-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-875-0x0000000002440000-0x00000000026B0000-memory.dmp

        Filesize

        2.4MB

      • memory/2208-219-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-227-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-240-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-243-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-247-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-250-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-255-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-256-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-258-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-262-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-264-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-121-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-267-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-49-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-45-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2208-34-0x0000000002440000-0x00000000026B0000-memory.dmp

        Filesize

        2.4MB

      • memory/4700-16-0x0000027306420000-0x0000027306690000-memory.dmp

        Filesize

        2.4MB

      • memory/4700-15-0x0000027306400000-0x0000027306401000-memory.dmp

        Filesize

        4KB

      • memory/4700-5-0x0000027306420000-0x0000027306690000-memory.dmp

        Filesize

        2.4MB