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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2024, 16:47

General

  • Target

    3e1e326d566df230ecf302443d6c7765_JaffaCakes118.exe

  • Size

    3.6MB

  • MD5

    3e1e326d566df230ecf302443d6c7765

  • SHA1

    faca21cac51ceb1ba21eea25e1d28ebba32b50ad

  • SHA256

    90e4e06c0125b4934bb0ccd081c00d4323501feb7bcce21d282dd9dee67f41e0

  • SHA512

    a7ba09479cc75cc17a9c329f0b114e3f77b7ae7aec116d0fd5dd584a10cac8de5c648218aac882162ccb111fdd5354ec0a4d6484e986e226c4519fd05d48a4fa

  • SSDEEP

    49152:DYua2CnTPy2zsRpZjhNmb5sSoAqzV0E22tinoaWBxazxTJRZSx:DYua2oTPy2oHCoAqPinoaWBxazxTEx

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • UPX packed file 4 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Windows directory 7 IoCs
  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:772
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:784
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:388
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2728
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2820
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3028
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3492
                  • C:\Users\Admin\AppData\Local\Temp\3e1e326d566df230ecf302443d6c7765_JaffaCakes118.exe
                    "C:\Users\Admin\AppData\Local\Temp\3e1e326d566df230ecf302443d6c7765_JaffaCakes118.exe"
                    2⤵
                    • UAC bypass
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Writes to the Master Boot Record (MBR)
                    • Drops file in Windows directory
                    • Checks SCSI registry key(s)
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    • System policy modification
                    PID:4492
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3644
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3832
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3928
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3992
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4080
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4156
                            • 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:3020
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:456
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:1716
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:2504
                                    • C:\Windows\system32\BackgroundTaskHost.exe
                                      "C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
                                      1⤵
                                        PID:3512

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Windows\system.ini

                                        Filesize

                                        258B

                                        MD5

                                        bae86536a43b224827517bcc33ea7d8a

                                        SHA1

                                        0a378fe1a2bfa5d14d3aca8d4f53e17947518b10

                                        SHA256

                                        14c2984cfa1b854d296baa5cf6b2db208a4378e6165827119ec19110de4d1c2a

                                        SHA512

                                        0c99fb7a4c79189356d34101cf93d0deb3e0971c640352c05cfc6220b118bc4dd4486807c6d17523fbbf8edfaf97780773ce02c4563aac82aa061d7c89d14843

                                      • memory/4492-10-0x0000000003940000-0x0000000003942000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4492-3-0x0000000002750000-0x000000000377A000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4492-5-0x0000000002750000-0x000000000377A000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4492-7-0x0000000003950000-0x0000000003951000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/4492-6-0x0000000003940000-0x0000000003942000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4492-0-0x0000000000400000-0x0000000000798000-memory.dmp

                                        Filesize

                                        3.6MB

                                      • memory/4492-12-0x0000000003940000-0x0000000003942000-memory.dmp

                                        Filesize

                                        8KB

                                      • memory/4492-17-0x0000000073BB0000-0x0000000073BE9000-memory.dmp

                                        Filesize

                                        228KB

                                      • memory/4492-18-0x0000000002750000-0x000000000377A000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4492-1-0x0000000002750000-0x000000000377A000-memory.dmp

                                        Filesize

                                        16.2MB

                                      • memory/4492-59-0x0000000073BB0000-0x0000000073BE9000-memory.dmp

                                        Filesize

                                        228KB

                                      • memory/4492-58-0x0000000000400000-0x0000000000798000-memory.dmp

                                        Filesize

                                        3.6MB