Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 21:12

General

  • Target

    f5c19208a65e67b8d112a6b9f6cdd272_JaffaCakes118.exe

  • Size

    486KB

  • MD5

    f5c19208a65e67b8d112a6b9f6cdd272

  • SHA1

    89be7a56ea74a647043b02402bc2c55f4d6c827f

  • SHA256

    6bf73b4f6b1af5c3272147e2d43fb2e5405d431f71534c0bebfdabbb70e8f088

  • SHA512

    c5d1d3a5fa888d4892eb383f185c4030049dad9751591053e8dd16fc53ed78ba9fcb6376a7f5fa8023e58a743ca862aa19e248889ea7a77462bd09a9ffc9a6b0

  • SSDEEP

    12288:o8rKucRSpKNhLAVFzPaE0sGbojNopsGbojNo4sGbojNot:o8FcRScrAVBCE0sluslrslo

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • UPX packed file 17 IoCs

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

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:760
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:60
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2836
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2852
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:1036
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3404
                  • C:\Users\Admin\AppData\Local\Temp\f5c19208a65e67b8d112a6b9f6cdd272_JaffaCakes118.exe
                    "C:\Users\Admin\AppData\Local\Temp\f5c19208a65e67b8d112a6b9f6cdd272_JaffaCakes118.exe"
                    2⤵
                    • Modifies WinLogon for persistence
                    • UAC bypass
                    • Disables RegEdit via registry modification
                    • Adds Run key to start application
                    • Checks whether UAC is enabled
                    • Enumerates connected drives
                    • Drops file in System32 directory
                    • 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:3736
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT /delete /yes
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4488
                      • C:\Windows\SysWOW64\at.exe
                        AT /delete /yes
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:3608
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\SSVICHOSST.exe
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4532
                      • C:\Windows\SysWOW64\at.exe
                        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\SSVICHOSST.exe
                        4⤵
                        • System Location Discovery: System Language Discovery
                        PID:4144
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3544
                  • 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:3832
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3892
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3988
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3348
                            • 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:4068
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3132

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Windows\SysWOW64\SSVICHOSST.exe

                                  Filesize

                                  486KB

                                  MD5

                                  f5c19208a65e67b8d112a6b9f6cdd272

                                  SHA1

                                  89be7a56ea74a647043b02402bc2c55f4d6c827f

                                  SHA256

                                  6bf73b4f6b1af5c3272147e2d43fb2e5405d431f71534c0bebfdabbb70e8f088

                                  SHA512

                                  c5d1d3a5fa888d4892eb383f185c4030049dad9751591053e8dd16fc53ed78ba9fcb6376a7f5fa8023e58a743ca862aa19e248889ea7a77462bd09a9ffc9a6b0

                                • C:\Windows\SysWOW64\autorun.ini

                                  Filesize

                                  109B

                                  MD5

                                  43b9dfd6e61eba0dda808ab0f5f966aa

                                  SHA1

                                  ffdca1842198d91dae7c98e862704ea80235894b

                                  SHA256

                                  de6a46a45c6fb7c6e3ef68bba4d706b2f398dc961fbdbd2b23a5067c5faff406

                                  SHA512

                                  40f1c2597ad182c5e4c2fd6e3bf63e5683f1f9acdd3021eaee5d7c20f39dfc525736bd73ad7955a770b23ce1eb419a3c346095b31573bb9aea9558fd07494981

                                • memory/3736-12-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-37-0x0000000000400000-0x00000000004A8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/3736-7-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3736-0-0x0000000000400000-0x00000000004A8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/3736-13-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3736-9-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-11-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3736-20-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-3-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-26-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-36-0x0000000000400000-0x00000000004A8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/3736-8-0x0000000004120000-0x0000000004121000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3736-41-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-42-0x0000000003ED0000-0x0000000003ED2000-memory.dmp

                                  Filesize

                                  8KB

                                • memory/3736-43-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-60-0x0000000000400000-0x00000000004A8000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/3736-72-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-73-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-75-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-79-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB

                                • memory/3736-1-0x00000000023C0000-0x00000000033F0000-memory.dmp

                                  Filesize

                                  16.2MB