Analysis

  • max time kernel
    137s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 23:50

General

  • Target

    b98dcd9ed7f341135449e28cf791e996_JaffaCakes118.exe

  • Size

    224KB

  • MD5

    b98dcd9ed7f341135449e28cf791e996

  • SHA1

    ffb13f9981d7440ce196269e3aa4160cf32e4652

  • SHA256

    87b22ad797c6f14f43054dff95a5517bb2a7bfbd08aec17d89d0c259fde3017f

  • SHA512

    ee5af10da07a469b19dcee3426ce9399dcd4c23376487791560d37e897a783276134b9565c90900e95cae10d7a713a64a32feced403ddd00486e233acf034cb4

  • SSDEEP

    3072:+I52Ocrxs3Zxghq+P/RRlTmNtUxI9x2EMVaE3r9T3n1HcyGTuMiQKQ:+I6xsXSnZW+x22EMVlRjuAMnKQ

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
  • Drops file in Windows directory 1 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:780
    • 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:2720
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2744
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2976
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3516
                  • C:\Users\Admin\AppData\Local\Temp\b98dcd9ed7f341135449e28cf791e996_JaffaCakes118.exe
                    "C:\Users\Admin\AppData\Local\Temp\b98dcd9ed7f341135449e28cf791e996_JaffaCakes118.exe"
                    2⤵
                    • UAC bypass
                    • Checks whether UAC is enabled
                    • 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:5044
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3656
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3936
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4084
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:432
                            • 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:1920
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:2152
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
                                  1⤵
                                    PID:2272
                                  • C:\Windows\system32\backgroundTaskHost.exe
                                    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                    1⤵
                                      PID:4304

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/3516-25-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

                                      Filesize

                                      28KB

                                    • memory/3516-26-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/5044-9-0x0000000002660000-0x000000000368A000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/5044-15-0x0000000002360000-0x0000000002362000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5044-5-0x0000000000400000-0x0000000000438000-memory.dmp

                                      Filesize

                                      224KB

                                    • memory/5044-2-0x0000000000400000-0x0000000000438000-memory.dmp

                                      Filesize

                                      224KB

                                    • memory/5044-7-0x0000000000400000-0x0000000000438000-memory.dmp

                                      Filesize

                                      224KB

                                    • memory/5044-6-0x0000000002660000-0x000000000368A000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/5044-0-0x0000000000401000-0x0000000000403000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5044-14-0x0000000002370000-0x0000000002371000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/5044-13-0x0000000002360000-0x0000000002362000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5044-3-0x0000000000400000-0x0000000000438000-memory.dmp

                                      Filesize

                                      224KB

                                    • memory/5044-11-0x0000000002660000-0x000000000368A000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/5044-20-0x0000000002660000-0x000000000368A000-memory.dmp

                                      Filesize

                                      16.2MB

                                    • memory/5044-23-0x0000000000401000-0x0000000000403000-memory.dmp

                                      Filesize

                                      8KB

                                    • memory/5044-24-0x0000000000400000-0x0000000000438000-memory.dmp

                                      Filesize

                                      224KB

                                    • memory/5044-4-0x0000000000400000-0x0000000000438000-memory.dmp

                                      Filesize

                                      224KB

                                    • memory/5044-1-0x0000000000400000-0x0000000000438000-memory.dmp

                                      Filesize

                                      224KB

                                    • memory/5044-37-0x0000000002360000-0x0000000002362000-memory.dmp

                                      Filesize

                                      8KB