Analysis

  • max time kernel
    55s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 19:29

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 6 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⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1156
    • \??\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:2672
      • 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:3752
    • \??\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:768
      • C:\Windows\SYSTEM32\reg.exe
        reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" /v AppsUseLightTheme
        2⤵
          PID:3896
        • 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:3800
          • 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:2844
            • 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,0x100,0x104,0xd8,0x108,0x7ffa2f4846f8,0x7ffa2f484708,0x7ffa2f484718
              4⤵
                PID:3632
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,9290545123424248815,8421080819590083240,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:2
                4⤵
                  PID:1528
                • 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=2096,9290545123424248815,8421080819590083240,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2172 /prefetch:3
                  4⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4092
                • 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=2096,9290545123424248815,8421080819590083240,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2892 /prefetch:8
                  4⤵
                    PID:2148
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9290545123424248815,8421080819590083240,131072 --lang=en-US --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=3364 /prefetch:1
                    4⤵
                      PID:4420
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9290545123424248815,8421080819590083240,131072 --lang=en-US --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=3384 /prefetch:1
                      4⤵
                        PID:2216
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9290545123424248815,8421080819590083240,131072 --lang=en-US --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=5012 /prefetch:1
                        4⤵
                          PID:1096
                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,9290545123424248815,8421080819590083240,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5184 /prefetch:8
                          4⤵
                            PID:1044
                          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,9290545123424248815,8421080819590083240,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5184 /prefetch:8
                            4⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3520
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:1064
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:548

                        Network

                        MITRE ATT&CK Matrix ATT&CK v13

                        Defense Evasion

                        File and Directory Permissions Modification

                        1
                        T1222

                        Discovery

                        Query Registry

                        2
                        T1012

                        System Information Discovery

                        3
                        T1082

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

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

                          46B

                          MD5

                          f804c3e01d18b4ae4e67ea4ee9902fc2

                          SHA1

                          e09c7948c157158563850c099d17148785d2d943

                          SHA256

                          29abf05c255b73e9a0105475656175c2c4ba323f4b9bf8f04b771ef4f54d5cb4

                          SHA512

                          4684ff4c3b40db8a8ffc1aa9a093f58a30a2da6bf3f8938e70cced6598b38bc1bd47c9989cf3e5ae81c78477ef2c09f2f07b387696e5908c6aeaf867db58beb3

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

                          152B

                          MD5

                          3a09f853479af373691d131247040276

                          SHA1

                          1b6f098e04da87e9cf2d3284943ec2144f36ac04

                          SHA256

                          a358de2c0eba30c70a56022c44a3775aa99ffa819cd7f42f7c45ac358b5e739f

                          SHA512

                          341cf0f363621ee02525cd398ae0d462319c6a80e05fd25d9aca44234c42a3071b51991d4cf102ac9d89561a1567cbe76dfeaad786a304bec33821ca77080016

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

                          152B

                          MD5

                          db9081c34e133c32d02f593df88f047a

                          SHA1

                          a0da007c14fd0591091924edc44bee90456700c6

                          SHA256

                          c9cd202ebb55fe8dd3e5563948bab458e947d7ba33bc0f38c6b37ce5d0bd7c3e

                          SHA512

                          12f9809958b024571891fae646208a76f3823ae333716a5cec303e15c38281db042b7acf95bc6523b6328ac9c8644794d39a0e03d9db196f156a6ee1fb4f2744

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\05a73c0b-4c9d-4c05-995a-fddc70c75cc8.tmp
                          Filesize

                          6KB

                          MD5

                          37a6e37e104ff962984e2ee4a69779f1

                          SHA1

                          b1579349a52a63b3dca3884600468f522fcd5193

                          SHA256

                          168f1bac04f661b76b7d7d5136f203c5b9c536c1a83d8cac6ec36e4f67a815fb

                          SHA512

                          edcff59c74226a85a2e1648b5559b25035156c7d9d4b2822f17cef47d5fe56d4ba12d135d598e29c0b73208a47a7098d90c1d73740d0edb5cb0f354eab843fef

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

                          120B

                          MD5

                          f666576de2e5317f912ae77fd8a2b3b2

                          SHA1

                          e947604a0fd7774a1f98ef77af9eb8df2af648ed

                          SHA256

                          d43cfe7d5dad46f72e2dc7e0cc376d7d87027dfc43125ff854bc5f8cb7d25a94

                          SHA512

                          d7d4c19f54131cfe95af95c9b35d8eb7acb4ed1ec6b33690e796b333858f99d1d8a35ad9c7eda574e47be3329df71e48b6ebfa5183752d06a0a8a93639e19723

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

                          280B

                          MD5

                          119b9326a3d87cf92a8e890d5bb2fa90

                          SHA1

                          c7456c480c5473a233b8e8e818ab98f4e30e1fa2

                          SHA256

                          75e2b144900db60104e0384f21393c1d99e211d8cbaedaba1a4e87c7b8540084

                          SHA512

                          4ca6654aa998491ef90420581291b8121c3c8b84653cd5806464dbddaba6ebe04ff970dc85be7428fb9879f03a02c8bc43488b278edf0b089862a0b9628b0a34

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

                          5KB

                          MD5

                          3022cecb25469176507dfadeb2d8ce65

                          SHA1

                          e708c8cd90351d5a646ea99ba209fb3abdf7714b

                          SHA256

                          ea9ac431a3931974744f2373c8989633030144d912a13b50e75a8568a4392b73

                          SHA512

                          1faa5dfca40637c86e05415c5103403a02546cb935a897df82b9e323b7900b40efb414f00e3efaeaf8f801045c092ad7d979538cbc4d2ed3552dc1dd412adb96

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

                          16B

                          MD5

                          6752a1d65b201c13b62ea44016eb221f

                          SHA1

                          58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                          SHA256

                          0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                          SHA512

                          9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                          11KB

                          MD5

                          bdd18bd4fee70790bc1f00c67850d789

                          SHA1

                          29d518186db21ac0dbb22abfeff401644ad9751d

                          SHA256

                          d758ed85cf21f55a76a632d8b3d5bc49605853b68781bd1fd8112d4a4ca8afcf

                          SHA512

                          9b4c0343f483446eec94e2e67bf66aea5fa31599790829c4bb8c666d97b35bd4dbc6e6bac1bdbd93a9850d4d3cc807ac494d3bc4aaa1b8fd7a4867f6f0232b20

                        • C:\Users\Admin\AppData\Local\Temp\+JXF1806214064438520898.tmp
                          Filesize

                          405KB

                          MD5

                          8f2869a84ad71f156a17bb66611ebe22

                          SHA1

                          0325b9b3992fa2fdc9c715730a33135696c68a39

                          SHA256

                          0cb1bc1335372d9e3a0cf6f5311c7cce87af90d2a777fdeec18be605a2a70bc1

                          SHA512

                          3d4315d591dcf7609c15b3e32bcc234659fcdbe4be24aef5dba4ad248ad42fd9ab082250244f99dc801ec21575b7400aace50a1e8834d5c33404e76a0caac834

                        • C:\Users\Admin\AppData\Local\Temp\+JXF4671154358017849457.tmp
                          Filesize

                          398KB

                          MD5

                          ff5fdc6f42c720a3ebd7b60f6d605888

                          SHA1

                          460c18ddf24846e3d8792d440fd9a750503aef1b

                          SHA256

                          1936d24cb0f4ce7006e08c6ef4243d2e42a7b45f2249f8fe54d92f76a317dfd1

                          SHA512

                          d3d333b1627d597c83a321a3daca38df63ea0f7cab716006935905b8170379ec2aab26cb7ffc7b539ca272cf7fb7937198aee6db3411077bedf3d2b920d078a3

                        • C:\Users\Admin\AppData\Local\Temp\+JXF8998131389086020865.tmp
                          Filesize

                          397KB

                          MD5

                          fdb50e0d48cdcf775fa1ac0dc3c33bd4

                          SHA1

                          5c95e5d66572aeca303512ba41a8dde0cea92c80

                          SHA256

                          64f8be6e55c37e32ef03da99714bf3aa58b8f2099bfe4f759a7578e3b8291123

                          SHA512

                          20ce8100c96058d4e64a12d0817b7ce638cec9f5d03651320eb6b9c3f47ee289ccc695bd3b5b6bf8e0867cdab0ebb6e8cae77df054e185828a6a13f3733ede53

                        • C:\Users\Admin\AppData\Local\Temp\e4j37C9.tmp_dir1719862188\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_64-4534706865300.dll
                          Filesize

                          22KB

                          MD5

                          dcd68a87b7e6edbcfde48150403b22eb

                          SHA1

                          28e4839a29725075772fccc39b44e194eb91e477

                          SHA256

                          ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c

                          SHA512

                          ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71

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

                          14.1MB

                          MD5

                          7e3ed7694833d8cfb47a47cfc9d4205c

                          SHA1

                          7d3699db91e0569903bd902b54acc8d2f373e02a

                          SHA256

                          99dd19398f87d030fa39c56ca0a5a0284db37128d1623bd1edb0de66f9861290

                          SHA512

                          ceeef6d0194438af9ff4256305204ab43bb3d50db372716bca8754dc91fdcfe15109d900fb41da20b53853b16a088c5f2a26d54331b8744d3886ab1939883460

                        • \??\pipe\LOCAL\crashpad_2844_SOKJEPQHAKIPVXDC
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/768-30-0x000001E0E1C20000-0x000001E0E1C21000-memory.dmp
                          Filesize

                          4KB

                        • memory/768-20-0x000001E0E34F0000-0x000001E0E3760000-memory.dmp
                          Filesize

                          2.4MB

                        • memory/768-31-0x000001E0E34F0000-0x000001E0E3760000-memory.dmp
                          Filesize

                          2.4MB

                        • memory/1156-221-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-781-0x0000000002AD0000-0x0000000002D40000-memory.dmp
                          Filesize

                          2.4MB

                        • memory/1156-238-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-244-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-222-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-287-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-288-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-292-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-211-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-189-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-177-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-36-0x0000000002AD0000-0x0000000002D40000-memory.dmp
                          Filesize

                          2.4MB

                        • memory/1156-137-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-125-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-123-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-81-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-49-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/1156-45-0x0000000002830000-0x0000000002831000-memory.dmp
                          Filesize

                          4KB

                        • memory/2672-5-0x0000021B0BF40000-0x0000021B0C1B0000-memory.dmp
                          Filesize

                          2.4MB

                        • memory/2672-16-0x0000021B0BF40000-0x0000021B0C1B0000-memory.dmp
                          Filesize

                          2.4MB

                        • memory/2672-15-0x0000021B0BF20000-0x0000021B0BF21000-memory.dmp
                          Filesize

                          4KB