Analysis

  • max time kernel
    40s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    28-06-2024 01:40

General

  • Target

    SKlauncher-3.2.exe

  • Size

    1.6MB

  • MD5

    b63468dd118dfbca5ef7967ba344e0e3

  • SHA1

    2ba4f0df5f3bd284bf2a89aba320e4440d8b8355

  • SHA256

    05ae2f0dd61ef10019b94c200e8df192b767bb4cc24a7e7b329ab43cc9c74caf

  • SHA512

    007ecb7445dc0c01a802b5a2c91313aae59f9dc96e27455dd85e7a92a4e649d683fbc2ada5f48925d9ab3b4fdaea20aa89eeb442fde079902aecb5ca3454a548

  • SSDEEP

    49152:HIBc3n9dRvwVlzhFAQ/ggUTPQjYEiim7V:oBaO/FAqMQjYEXm

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 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:2372
    • \??\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:724
      • 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:468
    • \??\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:408
      • C:\Windows\SYSTEM32\reg.exe
        reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v AppsUseLightTheme
        2⤵
          PID:1052
        • C:\Windows\SYSTEM32\rundll32.exe
          rundll32.exe url.dll,FileProtocolHandler https://login.microsoftonline.com/consumers/oauth2/v2.0/authorize?scope=XboxLive.signin%20offline_access&response_type=code&redirect_uri=http://localhost:26669/relogin&prompt=select_account&client_id=907a248d-3eb5-4d01-99d2-ff72d79c5eb1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2008
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://login.microsoftonline.com/consumers/oauth2/v2.0/authorize?scope=XboxLive.signin%20offline_access&response_type=code&redirect_uri=http://localhost:26669/relogin&prompt=select_account&client_id=907a248d-3eb5-4d01-99d2-ff72d79c5eb1
            3⤵
            • Enumerates system info in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:2888
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fff157146f8,0x7fff15714708,0x7fff15714718
              4⤵
                PID:2044
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,258889191414942964,6464570211493748891,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
                4⤵
                  PID:2204
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2132,258889191414942964,6464570211493748891,131072 --lang=es --service-sandbox-type=none --mojo-platform-channel-handle=2196 /prefetch:3
                  4⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2688
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2132,258889191414942964,6464570211493748891,131072 --lang=es --service-sandbox-type=utility --mojo-platform-channel-handle=2720 /prefetch:8
                  4⤵
                    PID:436
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,258889191414942964,6464570211493748891,131072 --lang=es --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3340 /prefetch:1
                    4⤵
                      PID:4280
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,258889191414942964,6464570211493748891,131072 --lang=es --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3352 /prefetch:1
                      4⤵
                        PID:4072
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,258889191414942964,6464570211493748891,131072 --lang=es --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4188 /prefetch:1
                        4⤵
                          PID:3540
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:3016
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:1792

                      Network

                      MITRE ATT&CK Matrix ATT&CK v13

                      Defense Evasion

                      File and Directory Permissions Modification

                      1
                      T1222

                      Discovery

                      System Information Discovery

                      2
                      T1082

                      Query Registry

                      1
                      T1012

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        46B

                        MD5

                        18884b1756ccd42c1d014eb24a275c3d

                        SHA1

                        4338a2d1c96faaafed1ac0db681c51dcae432ed8

                        SHA256

                        c75dd2bbc7029b1d2bbbdea808a245ba4458beec0438c0e957088b19727ebb46

                        SHA512

                        b5a27ccfb4b8bdf283a0be5b7d80d368f28628a0fb60c49831ec9eda08513e4b33e8523bb3dd1231becb06ee1bc95ba79e04ac32991165613af689e83aed5acc

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                        Filesize

                        152B

                        MD5

                        56067634f68231081c4bd5bdbfcc202f

                        SHA1

                        5582776da6ffc75bb0973840fc3d15598bc09eb1

                        SHA256

                        8c08b0cbceb301c8f960aa674c6e7f6dbf40b4a1c2684e6fb0456ec5ff0e56b4

                        SHA512

                        c4657393e0b9ec682570d7e251644a858d33e056ccd0f3eebffd0fde25244b3a699b8d9244bcdac00d6f74b49833629b270e099c2b557f729a9066922583f784

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                        Filesize

                        152B

                        MD5

                        81e892ca5c5683efdf9135fe0f2adb15

                        SHA1

                        39159b30226d98a465ece1da28dc87088b20ecad

                        SHA256

                        830f394548cff6eed3608476190a7ee7d65fe651adc638c5b27ce58639a91e17

                        SHA512

                        c943f4cfe8615ac159cfac13c10b67e6c0c9093851dd3ac6dda3b82e195d3554e3c37962010a2d0ae5074828d376402624f0dda5499c9997e962e4cfd26444c0

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                        Filesize

                        120B

                        MD5

                        d6d8fb41628c11437157f0c8999714bf

                        SHA1

                        5fde980f9c7b1b3a60de1e9afab333f6791b293b

                        SHA256

                        1344730137bf2db0f9a645864312fa4a21fd63eefb8c06d61071c0562ecad180

                        SHA512

                        74254ecc0785047d17fb8cf9ce17ab3b51c62fe094a4c8b28b78297f35e0c75cdf0a3b48fcea51c9293fa3f6794d8fc9f1c480735870ec5614d86daac83088c7

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                        Filesize

                        189B

                        MD5

                        5e1f9068447613da1cf1cef1ac1ecd24

                        SHA1

                        96a471227975a7987934c420f6c0cf3a8457302f

                        SHA256

                        e018c545680b0da8a04b069210dffb60f4a21c19dfbaa8ad1dda4e64acedc35d

                        SHA512

                        764d9814b388d8cbaa1892843e951b3717bdfcfbd88be4e881f0694eb96fc6a9a4c77fab9204f42e70142b58dc9cbc55c2d208e704ae0473a7f65175fc611ee6

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                        Filesize

                        5KB

                        MD5

                        f7272debfe7b17d47205d17e26c27e69

                        SHA1

                        a850fd9b345f009eb9b9b638d5c16ed663d89244

                        SHA256

                        2990b395b979b43105b09a89d6c25faa25db29806075c171a1a6f3f49ceeb3c2

                        SHA512

                        5d125c5b7cfc3a1174a05842b9816eaf8968ce726d8de0ef83695bafd306f7be70ebd0a32115f1e4b0307a30fc88a1fb9f275dd850d6310cf1965c192e2b314b

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                        Filesize

                        6KB

                        MD5

                        ba4dd9d5815ffef7fbda79d98a1be29c

                        SHA1

                        8742128d61dd05b905c240ddf2f842b5c3272576

                        SHA256

                        3e53a6de5f88d404d1bd8a51e31d708be84c0a901c00a95c2f514db18c2b01e3

                        SHA512

                        87b3075d5f7f69c6dad49dbf53a914881483927d63a386274b3b65c838432ffdaba2cabbf51f6124147b8705f04dd1af35b49d9b122c489261e3cafc7692f581

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                        Filesize

                        11KB

                        MD5

                        8c66f5f38f5d01721078ae0a167ccaa6

                        SHA1

                        535de1ec8c5c9640df8739746684e7184f0768c1

                        SHA256

                        4c57a5cb403c7aa5ba3705e803f4276fa08c7d0c46cd45b63bc29428993e16b6

                        SHA512

                        46455c8e6e5129b0d2d19ddfaca8c2ebb4b856185a684e79c2719a75b7e9a0d1d56aec6d05d699bcc50c9901a2a2c831812aa5156db5c8410c9dc40f5070dfa3

                      • C:\Users\Admin\AppData\Local\Temp\+JXF4014103513343887068.tmp
                        Filesize

                        398KB

                        MD5

                        ff5fdc6f42c720a3ebd7b60f6d605888

                        SHA1

                        460c18ddf24846e3d8792d440fd9a750503aef1b

                        SHA256

                        1936d24cb0f4ce7006e08c6ef4243d2e42a7b45f2249f8fe54d92f76a317dfd1

                        SHA512

                        d3d333b1627d597c83a321a3daca38df63ea0f7cab716006935905b8170379ec2aab26cb7ffc7b539ca272cf7fb7937198aee6db3411077bedf3d2b920d078a3

                      • C:\Users\Admin\AppData\Local\Temp\+JXF4159366162925442594.tmp
                        Filesize

                        405KB

                        MD5

                        8f2869a84ad71f156a17bb66611ebe22

                        SHA1

                        0325b9b3992fa2fdc9c715730a33135696c68a39

                        SHA256

                        0cb1bc1335372d9e3a0cf6f5311c7cce87af90d2a777fdeec18be605a2a70bc1

                        SHA512

                        3d4315d591dcf7609c15b3e32bcc234659fcdbe4be24aef5dba4ad248ad42fd9ab082250244f99dc801ec21575b7400aace50a1e8834d5c33404e76a0caac834

                      • C:\Users\Admin\AppData\Local\Temp\+JXF6085318933263867269.tmp
                        Filesize

                        397KB

                        MD5

                        fdb50e0d48cdcf775fa1ac0dc3c33bd4

                        SHA1

                        5c95e5d66572aeca303512ba41a8dde0cea92c80

                        SHA256

                        64f8be6e55c37e32ef03da99714bf3aa58b8f2099bfe4f759a7578e3b8291123

                        SHA512

                        20ce8100c96058d4e64a12d0817b7ce638cec9f5d03651320eb6b9c3f47ee289ccc695bd3b5b6bf8e0867cdab0ebb6e8cae77df054e185828a6a13f3733ede53

                      • C:\Users\Admin\AppData\Local\Temp\e4j3047.tmp_dir1719538850\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_64-4514617443100.dll
                        Filesize

                        22KB

                        MD5

                        dcd68a87b7e6edbcfde48150403b22eb

                        SHA1

                        28e4839a29725075772fccc39b44e194eb91e477

                        SHA256

                        ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c

                        SHA512

                        ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71

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

                        14.1MB

                        MD5

                        6010422686c1a1fd08bd2a3099de8680

                        SHA1

                        67203beb715a7f47ea9fa5ac023a0a7aef793bab

                        SHA256

                        a163ebc83ed564ed60fcf502b852857249dfa55ea1a3f77cec257080001d1200

                        SHA512

                        b2e277dc0753684c8e69070022dad91c24f957c83203175a3e555b19ced10a94a6d1fadc2272c803640ec7e0cff9f9c304061920a34297e1b63be0276db371b9

                      • \??\pipe\LOCAL\crashpad_2888_QAAODBYWTWKMRGSY
                        MD5

                        d41d8cd98f00b204e9800998ecf8427e

                        SHA1

                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                        SHA256

                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                        SHA512

                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                      • memory/408-20-0x000001C71F9C0000-0x000001C71FC30000-memory.dmp
                        Filesize

                        2.4MB

                      • memory/408-30-0x000001C71E100000-0x000001C71E101000-memory.dmp
                        Filesize

                        4KB

                      • memory/408-31-0x000001C71F9C0000-0x000001C71FC30000-memory.dmp
                        Filesize

                        2.4MB

                      • memory/724-5-0x0000011E894E0000-0x0000011E89750000-memory.dmp
                        Filesize

                        2.4MB

                      • memory/724-15-0x0000011E87C80000-0x0000011E87C81000-memory.dmp
                        Filesize

                        4KB

                      • memory/724-16-0x0000011E894E0000-0x0000011E89750000-memory.dmp
                        Filesize

                        2.4MB

                      • memory/2372-281-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-268-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-270-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-272-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-271-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-279-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-140-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-328-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-82-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-269-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-49-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-45-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-266-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-34-0x0000000003070000-0x00000000032E0000-memory.dmp
                        Filesize

                        2.4MB

                      • memory/2372-265-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-125-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-224-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-220-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-211-0x0000000002D30000-0x0000000002D31000-memory.dmp
                        Filesize

                        4KB

                      • memory/2372-912-0x0000000003070000-0x00000000032E0000-memory.dmp
                        Filesize

                        2.4MB