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Resubmissions

05/04/2024, 03:14

240405-drr37sag7s 7

Analysis

  • max time kernel
    1786s
  • max time network
    1793s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    05/04/2024, 03:14

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
  • Drops file in Program Files directory 64 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 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
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2312
    • \??\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:1380
      • 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:4796
    • \??\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:4444
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5188 --field-trial-handle=2000,i,11471789752336399729,10863385903208193579,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4264
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
        1⤵
        • Drops file in Program Files directory
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4000
        • 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x25c,0x7ffa6c362e98,0x7ffa6c362ea4,0x7ffa6c362eb0
          2⤵
            PID:1884
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2560 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:2
            2⤵
              PID:3704
            • 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 --lang=es --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=2656 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:3
              2⤵
                PID:5028
              • 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 --lang=es --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3408 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                2⤵
                  PID:3436
                • C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.52\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.52\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=es --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=4484 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                  2⤵
                    PID:3940
                  • C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.52\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.52\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=es --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=4484 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                    2⤵
                      PID:4472
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=es --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=4664 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                      2⤵
                        PID:4344
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=es --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=4196 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                        2⤵
                          PID:4664
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=es --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3892 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                          2⤵
                            PID:4008
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=es --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=4628 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                            2⤵
                              PID:2412
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=es --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3876 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                              2⤵
                                PID:772
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAABEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2240 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1376
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3744 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                                2⤵
                                  PID:2012
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=es --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3624 --field-trial-handle=2604,i,17080970962393363100,9372702362504673129,262144 --variations-seed-version /prefetch:8
                                  2⤵
                                    PID:1764

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

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

                                  Filesize

                                  46B

                                  MD5

                                  147771bda86d41725ac27abd4d669639

                                  SHA1

                                  1bbc38e355a2470559abae7496b8e174997a8090

                                  SHA256

                                  c4a444522b8c0fb6674627c7157fe673e1643ef0845af564a391ebcd1e8dc50b

                                  SHA512

                                  4a9c95aaf0f40fe0158de070e701dc5adf73163f4f4ea93f721758c44cc80b3d42727cfc5fbbaec105e4a6b6802aed87e9f392edc5ad5bc8f95c5f614319cbf1

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

                                  Filesize

                                  280B

                                  MD5

                                  88ea3ceed4c3efd04d7d504ea1eb828f

                                  SHA1

                                  a6aea6c2f6f93bba419eb2e09717952c99781de3

                                  SHA256

                                  55de746a8336fb15682ba0a457587d21aba0962f089fadd3b2fe5d24553c6fd6

                                  SHA512

                                  6fee994a349299e82324aaf3078c55f6be490250d1627ca4dfa5e2637084b32e487900f46838d0eabde2b4da412a7fd08c4584f2d17ffdf7a9b3467e38a7903d

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\DualEngine\SiteList-Enterprise.json

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

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

                                  Filesize

                                  1KB

                                  MD5

                                  04fa7432fb637d892fc4d0a8ac8ed88c

                                  SHA1

                                  bcd9486ea351f797b59cc854228da8d68572c2ff

                                  SHA256

                                  b9b0e06494bbaaa88ce12574dc9617fdaffdaf0d09eea98f080abb08fe1090e3

                                  SHA512

                                  766bf97b571fc3927e3bddffc3da0a6467330c842e5468762d7f2cdc1a380e122a252b1ed579ca1c2588bae88577a966f76ce7963d18e11d6d7c1e55e7954f94

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

                                  Filesize

                                  1KB

                                  MD5

                                  eb9d9793caa4c7f6bb09ee2c2313a55b

                                  SHA1

                                  05b2c89fa757f307f02a5725fb55a65fc2da38c2

                                  SHA256

                                  4c21cae8ea69b5b98c35c3ec3e03042a0f28e676f4e142cc57e66877c4dc92c8

                                  SHA512

                                  a2f0835ddbe1d01acd693d1dd81c3f2a5ac89246ae799c17844bc96a38dbf944fc9a9f94f5bec6ca5a15037d3e09b4be2326e03c2cdaf425a2506195a584bbb5

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

                                  Filesize

                                  2B

                                  MD5

                                  d751713988987e9331980363e24189ce

                                  SHA1

                                  97d170e1550eee4afc0af065b78cda302a97674c

                                  SHA256

                                  4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                  SHA512

                                  b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

                                  Filesize

                                  40B

                                  MD5

                                  20d4b8fa017a12a108c87f540836e250

                                  SHA1

                                  1ac617fac131262b6d3ce1f52f5907e31d5f6f00

                                  SHA256

                                  6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

                                  SHA512

                                  507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

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

                                  Filesize

                                  10KB

                                  MD5

                                  a9f300fef45ef2564cf749a883fa8e0d

                                  SHA1

                                  6504fd1b8d1f0621249f1b9f7d50535d93bf9647

                                  SHA256

                                  0de7f036019dfd75b98472e043f5cdc15b9c16b9c2321765e3d50eb66812cf16

                                  SHA512

                                  6bb6b8224f3fcb0b18d5316702d3f3f5e02eec8b3f1d6a723b8be951e82f68f708fe5bac64cd20bce9da64935adc162bf7f5c0d4045b74e6f306b757ddae8819

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

                                  Filesize

                                  9KB

                                  MD5

                                  95cc84b9095b305b60dd3906d1b494d0

                                  SHA1

                                  a4dcd9c3ab7653141ef24373709c9db14d082b67

                                  SHA256

                                  950834809a2652362c8ee292e7f92bb049f367f7c2a358183858d20a70f0fb45

                                  SHA512

                                  a2924011c77511fc0219a5c941502bdcf8e512b4793567f4836dba75394159616cf98bb7befd7575b16e4266136c13b8c51e08f05160be63590de12099a3f2a5

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

                                  Filesize

                                  30KB

                                  MD5

                                  bc6a7350ebe3cfdc6988c5928e891184

                                  SHA1

                                  67e610e76e3efe360eaa41e7fc73057cf8f5823a

                                  SHA256

                                  b37e9b765b7a240e60382e1d8f23f404e9286d7c5ae834f9a606fb0e2f947206

                                  SHA512

                                  dbe94cb635227b4725ad2537d86604b224835e7f0c257a7ff5da9d379c75f637540f6bfc0184fe0f918807ec7147b66034170833d08559b1cefea4ee70820474

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

                                  Filesize

                                  42KB

                                  MD5

                                  e52241fa24368461a1ae9be65427f25a

                                  SHA1

                                  6183166c04a771d42dddec13cd53004342bacab6

                                  SHA256

                                  e9df5b8956559bae19e601f8c04d98f90504f1f0bdb6dc2954bb0e8e88d7da1a

                                  SHA512

                                  5d96dd4432256581048c7ba9b711491f0d210b81d39ba73545073f186bc840b56f88fc55660071e408245bd0bb4dd6d6eccc8babb9a7555ae0116a1895b9ce77

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

                                  Filesize

                                  33KB

                                  MD5

                                  7b4f689597b860d3eb980dee6463a6e2

                                  SHA1

                                  a02dd7de581332e9893360391a3f3b7b3bda1381

                                  SHA256

                                  1423205d3a5b28e2a26354868d1a9e4621dc7a17eae07edeb8c441304af5c790

                                  SHA512

                                  9712037dd8b2188af93ea76fca8642f12db16186752f97fb832139d9a9e3f8907bab79e9bd79230f0c0e21f53330bc3c2a7fd4cbfc86e9ecbddcc6449627a395

                                • C:\Users\Admin\AppData\Local\Temp\29f807f5-1002-469e-a7d0-01ffd11c8af0.tmp

                                  Filesize

                                  1B

                                  MD5

                                  5058f1af8388633f609cadb75a75dc9d

                                  SHA1

                                  3a52ce780950d4d969792a2559cd519d7ee8c727

                                  SHA256

                                  cdb4ee2aea69cc6a83331bbe96dc2caa9a299d21329efb0336fc02a82e1839a8

                                  SHA512

                                  0b61241d7c17bcbb1baee7094d14b7c451efecc7ffcbd92598a0f13d313cc9ebc2a07e61f007baf58fbf94ff9a8695bdd5cae7ce03bbf1e94e93613a00f25f21

                                • C:\Users\Admin\AppData\Local\Temp\flatlaf.temp\flatlaf-windows-x86_64-5900024314000.dll

                                  Filesize

                                  22KB

                                  MD5

                                  dcd68a87b7e6edbcfde48150403b22eb

                                  SHA1

                                  28e4839a29725075772fccc39b44e194eb91e477

                                  SHA256

                                  ae3352b6ad6cffaae55f4387f9f5e79365ea17f8d5fb45ef11d21c3300a49a4c

                                  SHA512

                                  ac2a6bc0afcd08c56090536a937772edd54f35505c9a5837d9bc8e91c31edb6137cf5191986b3473e9e2f512950b4dbfe4088598bfd1faf47088124c70aeba71

                                • memory/1380-5-0x000001B2D29D0000-0x000001B2D39D0000-memory.dmp

                                  Filesize

                                  16.0MB

                                • memory/1380-16-0x000001B2D29B0000-0x000001B2D29B1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2312-48-0x00000000026C0000-0x00000000026C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2312-43-0x00000000026C0000-0x00000000026C1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2312-35-0x0000000002970000-0x0000000003970000-memory.dmp

                                  Filesize

                                  16.0MB

                                • memory/4444-29-0x0000019824CC0000-0x0000019824CC1000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/4444-19-0x0000019826580000-0x0000019827580000-memory.dmp

                                  Filesize

                                  16.0MB