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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 22:46

General

  • Target

    a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe

  • Size

    64KB

  • MD5

    a4725dfdf2eaf3421d1cea652e255acf

  • SHA1

    c393512fe1317c8a58e6fa523af52a1dfe653169

  • SHA256

    c608ec38d7f12d3b94b12b47c2bf0c5e006ad07ec1ea82f92f3d84fd80c94c90

  • SHA512

    b5d6ef0fc33213dfdfe34ca49b849d98f284631e0ff698464d5a3a1fcee4017608a788e446601af45ea1822a16a5957148846a3a0ebf4e26b50bef88d6c1ef00

  • SSDEEP

    1536:8f9KFfrXYEJLoEm/Duq8hi5n2thxW5uYDPF22x:0mXYCLQbudhq2vx8k2x

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 12 IoCs

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

  • Windows security modification 2 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • 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 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2548
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2572
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2896
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:3416
            • C:\Users\Admin\AppData\Local\Temp\a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe
              "C:\Users\Admin\AppData\Local\Temp\a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe"
              2⤵
              • Modifies firewall policy service
              • Windows security bypass
              • Windows security modification
              • Adds Run key to start application
              • Writes to the Master Boot Record (MBR)
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1240
              • C:\Windows\System\regserv.exe
                /u C:\Users\Admin\AppData\Local\Temp\a4725dfdf2eaf3421d1cea652e255acf_JaffaCakes118.exe
                3⤵
                • Modifies firewall policy service
                • Windows security bypass
                • Deletes itself
                • Executes dropped EXE
                • Loads dropped DLL
                • Windows security modification
                • Adds Run key to start application
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:2880
                • C:\Windows\System\svchctrl.exe
                  C:\Windows\System\\svchctrl.exe
                  4⤵
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:3572
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3556
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3740
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3900
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3972
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:4056
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:8
                      • 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:3896
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:4672
                          • C:\Windows\system32\backgroundTaskHost.exe
                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                            1⤵
                              PID:2196
                            • C:\Windows\system32\backgroundTaskHost.exe
                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                              1⤵
                                PID:2264
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2156
                                • C:\Windows\System32\RuntimeBroker.exe
                                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                                  1⤵
                                    PID:2028
                                  • C:\Windows\system32\DllHost.exe
                                    C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
                                    1⤵
                                      PID:3844
                                    • C:\Windows\system32\backgroundTaskHost.exe
                                      "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                      1⤵
                                        PID:956
                                      • C:\Windows\system32\BackgroundTransferHost.exe
                                        "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
                                        1⤵
                                          PID:3600
                                        • C:\Windows\system32\backgroundTaskHost.exe
                                          "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                          1⤵
                                            PID:4584
                                          • C:\Windows\system32\backgroundTaskHost.exe
                                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                            1⤵
                                              PID:4016
                                            • C:\Windows\System32\RuntimeBroker.exe
                                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                                              1⤵
                                                PID:2616

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Windows\System\regserv.exe

                                                Filesize

                                                64KB

                                                MD5

                                                a4725dfdf2eaf3421d1cea652e255acf

                                                SHA1

                                                c393512fe1317c8a58e6fa523af52a1dfe653169

                                                SHA256

                                                c608ec38d7f12d3b94b12b47c2bf0c5e006ad07ec1ea82f92f3d84fd80c94c90

                                                SHA512

                                                b5d6ef0fc33213dfdfe34ca49b849d98f284631e0ff698464d5a3a1fcee4017608a788e446601af45ea1822a16a5957148846a3a0ebf4e26b50bef88d6c1ef00

                                              • C:\Windows\System\svchctrl.dll

                                                Filesize

                                                19KB

                                                MD5

                                                bfcd5a3e849ed7dae6d6811c81184146

                                                SHA1

                                                8c18e01abeb7aa6a01dbb42be6979efe8f3530e1

                                                SHA256

                                                663f2114b515ae64628c8cb160630eb94f59bf0b0850c08bf8b4d9a4b79fca00

                                                SHA512

                                                b2e33df46bca83b9d8d9589d8edcb2ff39d3891de4de3cfbc1a562c77eac3ab15a61f605512e95bd441a2375b617b5693d43c269ba19c14fcb3f571858cec553

                                              • C:\Windows\System\svchctrl.exe

                                                Filesize

                                                11KB

                                                MD5

                                                c62ac4a8dde8c06760ee61b60b49196b

                                                SHA1

                                                b9f7ba040ffe1a5620ae58b281491d2d49630118

                                                SHA256

                                                6a1a26ba330fd5099669c9c79cf6255b26e5fc4cac4298dfc9b816c76f20ea47

                                                SHA512

                                                94801bfff0c0e349edd3883373b105f67ca462b3bbed4ebb9d025e527821247fab3b974d31cf1078117764eacd1d836dda7f0525c68da2b8d93d7550a4868842

                                              • memory/1240-5-0x0000000000500000-0x000000000051A000-memory.dmp

                                                Filesize

                                                104KB

                                              • memory/1240-0-0x0000000000500000-0x000000000051A000-memory.dmp

                                                Filesize

                                                104KB

                                              • memory/2880-23-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-32-0x0000000010000000-0x0000000010012000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/2880-19-0x0000000010000000-0x0000000010012000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/2880-24-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-28-0x00000000778D0000-0x00000000778F5000-memory.dmp

                                                Filesize

                                                148KB

                                              • memory/2880-27-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-25-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-49-0x0000000010000000-0x0000000010012000-memory.dmp

                                                Filesize

                                                72KB

                                              • memory/2880-26-0x00000000778D0000-0x00000000778F5000-memory.dmp

                                                Filesize

                                                148KB

                                              • memory/2880-22-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-30-0x0000000000500000-0x000000000051A000-memory.dmp

                                                Filesize

                                                104KB

                                              • memory/2880-17-0x0000000000460000-0x0000000000461000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/2880-42-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-41-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-43-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-47-0x00000000778D0000-0x00000000778F5000-memory.dmp

                                                Filesize

                                                148KB

                                              • memory/2880-48-0x0000000000500000-0x000000000051A000-memory.dmp

                                                Filesize

                                                104KB

                                              • memory/2880-46-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/2880-45-0x00000000778D0000-0x00000000778F5000-memory.dmp

                                                Filesize

                                                148KB

                                              • memory/2880-44-0x0000000077370000-0x00000000773EA000-memory.dmp

                                                Filesize

                                                488KB

                                              • memory/3572-33-0x0000000000400000-0x000000000040C000-memory.dmp

                                                Filesize

                                                48KB

                                              • memory/3572-15-0x0000000000400000-0x000000000040C000-memory.dmp

                                                Filesize

                                                48KB