Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 10:26

General

  • Target

    8a039249b0cbb92822b905b21101cbba_JaffaCakes118.exe

  • Size

    82KB

  • MD5

    8a039249b0cbb92822b905b21101cbba

  • SHA1

    c8ae678c587320728f034d78ee8bfb5b4f715dac

  • SHA256

    9cc41aa9421562434a65c3f144fc274c9067dc6f4978a33e796be9b4d1dd8c35

  • SHA512

    165d58c3a84b119843f15fc19966b715e49dd8976d852d0c031c96cce03577491d4d0513d2bccd1d18bbbeb70b04fdf85c64c6c5a237b809750526f316757c99

  • SSDEEP

    768:Ycb0oeW6uFIfhDPoQHpOH0fBWViMTb996JX8L/AWRumUQaPAX9WNbhxqn6DMUt:YU0oeW6niQcHss7TB9CmQAonA6Dd

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Loads dropped DLL 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 behavior: LoadsDriver 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:1288
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:3084
      • C:\Windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:3172
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:3388
            • C:\Users\Admin\AppData\Local\Temp\8a039249b0cbb92822b905b21101cbba_JaffaCakes118.exe
              "C:\Users\Admin\AppData\Local\Temp\8a039249b0cbb92822b905b21101cbba_JaffaCakes118.exe"
              2⤵
              • Drops file in Drivers directory
              • Loads dropped DLL
              • Drops file in System32 directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1840
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\8a039249b0cbb92822b905b21101cbba_JaffaCakes118.exe"
                3⤵
                • System Location Discovery: System Language Discovery
                PID:1828
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
            1⤵
              PID:3548
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              1⤵
                PID:3752
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:3844
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3908
                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                    1⤵
                      PID:3992
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3400
                      • 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:3592
                        • C:\Windows\System32\RuntimeBroker.exe
                          C:\Windows\System32\RuntimeBroker.exe -Embedding
                          1⤵
                            PID:1372
                          • C:\Windows\system32\backgroundTaskHost.exe
                            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                            1⤵
                              PID:3760
                            • C:\Windows\system32\backgroundTaskHost.exe
                              "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                              1⤵
                                PID:3308

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\tmp8D7C.tmp

                                Filesize

                                14KB

                                MD5

                                669853e1906199dec47260183ad5b932

                                SHA1

                                cf4274b5ccc4a927b2bb459604b44bad048610ef

                                SHA256

                                62827060446baf681772704fc1b464f6940454e3981c3d4011534d827b651a79

                                SHA512

                                f7080dc1bc27b7415207317eb66f57857f0cfeca2110e2730a4b5bfc08d3d5497ea5ba4c85d31f87f3bb3d2444ac6bafbcfff692b03bf72dc175dbc6f0b60592

                              • memory/1288-12-0x0000000000B10000-0x0000000000B11000-memory.dmp

                                Filesize

                                4KB

                              • memory/1840-6-0x0000000010000000-0x0000000010017000-memory.dmp

                                Filesize

                                92KB