Analysis

  • max time kernel
    137s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 05:15

General

  • Target

    f63d9e37b63539f8cb6c81b1a4ee34b1492a7bffd376466f10a7b77ca7ea479f.exe

  • Size

    2.9MB

  • MD5

    a74ea420934ddc451d2b0b8c52bc5505

  • SHA1

    68a50987d32da6c9914fba286551592c8c7be620

  • SHA256

    f63d9e37b63539f8cb6c81b1a4ee34b1492a7bffd376466f10a7b77ca7ea479f

  • SHA512

    c461e19851d7a8c14dcf7a1879a77620649739161abcf1c4b4910b3b93030142cf3fde1be611d7f2666cc3a978c648dae3b2259ebd52760fe934315b4fdaeb4d

  • SSDEEP

    49152:VYhrXIuoZAn3pFiO2l/GHF5c098MpWGjxMAyn6FYwtoDhu0P:VSrOA3/iOI2V87Uxd02ohP

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:788
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:64
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2980
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3048
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:756
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3412
                  • C:\Users\Admin\AppData\Local\Temp\f63d9e37b63539f8cb6c81b1a4ee34b1492a7bffd376466f10a7b77ca7ea479f.exe
                    "C:\Users\Admin\AppData\Local\Temp\f63d9e37b63539f8cb6c81b1a4ee34b1492a7bffd376466f10a7b77ca7ea479f.exe"
                    2⤵
                    • UAC bypass
                    • Loads dropped DLL
                    • Checks whether UAC is enabled
                    • Drops file in Program Files directory
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:3464
                    • C:\Windows\splwow64.exe
                      C:\Windows\splwow64.exe 12288
                      3⤵
                        PID:4548
                  • C:\Windows\system32\svchost.exe
                    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                    1⤵
                      PID:3528
                    • C:\Windows\system32\DllHost.exe
                      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                      1⤵
                        PID:3732
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                          PID:3820
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:3884
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:3964
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:3880
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                1⤵
                                  PID:1104
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:516
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                    1⤵
                                      PID:2420
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:1784
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
                                        1⤵
                                          PID:116
                                        • C:\Windows\System32\RuntimeBroker.exe
                                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                                          1⤵
                                            PID:1456
                                          • C:\Windows\System32\RuntimeBroker.exe
                                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                                            1⤵
                                              PID:5000

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Temp\0E57DF34_Rar\f63d9e37b63539f8cb6c81b1a4ee34b1492a7bffd376466f10a7b77ca7ea479f.exe

                                              Filesize

                                              2.8MB

                                              MD5

                                              bdf57170eff7749b5a8108747659ba40

                                              SHA1

                                              c38d048efa52df6e4322b145e549b1ab4ad7a5ac

                                              SHA256

                                              a720c0105a9d9785757579705119983d351b06f45339f3876d890530bc002946

                                              SHA512

                                              949095da3a5e46ebad42b2c1d9198eb416a9426e0a7ffb65e401cfbb3ed15ff4022cf1d7ec43805b789a98f9c4e6c3c95d38aeae69aad88d8609b56d749a83fa

                                            • C:\Users\Admin\AppData\Local\Temp\TempFolder.aaa\dirapi.dll

                                              Filesize

                                              1.0MB

                                              MD5

                                              d5e5e54d296f667d876edb26a2e40e83

                                              SHA1

                                              a88f31be002ff6d59d71a0b6960b14aa581b5f97

                                              SHA256

                                              c49c0b4bdd99a4fbed1d46808d23616430191847abccf72d535f02cb3e868674

                                              SHA512

                                              13bdfdfeca51ad845ddf50905a520524695e987658761230c3d1f09c4ee7e2ef9cf0a4b9553469a7be96d053353e9d71ac89962a63d3d1daf72abd6cde565cfc

                                            • C:\Users\Admin\AppData\Local\Temp\TempFolder.aaa\iml32.dll

                                              Filesize

                                              548KB

                                              MD5

                                              2afe9bc76e6fd6fca15d8f4e35af98af

                                              SHA1

                                              edd43d452b2ba7fdd542672fd3096b2c7963ea34

                                              SHA256

                                              83cfe99eb220164974224c6e44cc3b52d7479999d2753091d3eff952cae6946d

                                              SHA512

                                              40df97b392d35496c97f173c675d9ce4ed545201cf01a5161eb53c41a3a0107fc08899f7035f05cb4fe7d69c9d7d779c899de17e5b1dc324758caa26e87521a5

                                            • C:\Users\Admin\AppData\Local\Temp\TempFolder.aaa\proj.dll

                                              Filesize

                                              148KB

                                              MD5

                                              3aa8e0c8624333396be15df4ee8227ff

                                              SHA1

                                              e213b5eea5bd8cd70c04f5fcbff441c9d10dd36b

                                              SHA256

                                              aa418b3397fc5d8ea24b866f9d494147dbca8d2a81039057255e58aee9392551

                                              SHA512

                                              1c0272d66f7a0e7b9da3874edd57908eb96a97df07fb71317e30e10bd0b98f6d3d3a37bdd226cb3024aec6948bf5ee05978b690d839b1a785a613137210af90a

                                            • memory/3464-17-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3464-19-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3464-16-0x00000000022C0000-0x00000000032EA000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3464-12-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3464-0-0x0000000020000000-0x0000000020021000-memory.dmp

                                              Filesize

                                              132KB

                                            • memory/3464-8-0x00000000022C0000-0x00000000032EA000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3464-13-0x00000000005C0000-0x00000000005C1000-memory.dmp

                                              Filesize

                                              4KB

                                            • memory/3464-32-0x00000000022C0000-0x00000000032EA000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3464-46-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3464-51-0x00000000022C0000-0x00000000032EA000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3464-5-0x00000000022C0000-0x00000000032EA000-memory.dmp

                                              Filesize

                                              16.2MB

                                            • memory/3464-78-0x00000000005B0000-0x00000000005B2000-memory.dmp

                                              Filesize

                                              8KB

                                            • memory/3464-88-0x0000000020000000-0x0000000020021000-memory.dmp

                                              Filesize

                                              132KB