Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 17:31

General

  • Target

    0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll

  • Size

    180KB

  • MD5

    0fdcece65289dc442a99b875eeb9c498

  • SHA1

    49ae8323ccb9fbd92fce5c09e058b86087e51c8c

  • SHA256

    e7db1e2ba7dcc5c0e8ceb11c888ec361f0595418d82b792dcdd5844c7d13759f

  • SHA512

    07607f318551990737194914510bab366973a16ed685a7fda93fb2a482efc13bf22bb2e6187578a6bb7f30f45a0551ee38468316f0e7dd538a1e19dcdb62fee9

  • SSDEEP

    3072:1P2PxxtVYTRMClk3oq2L9vNTDQm/iAeQZZer:NyiRq4xZvNTOAhZZo

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Modifies security service 2 TTPs 8 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 9 IoCs
  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 14 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Users\Admin\AppData\Local\Temp\t32KY8d5k
        "t32KY8d5k"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Users\Admin\AppData\Local\Temp\t32KY8d5k
          "t32KY8d5k"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2716
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
            • Modifies WinLogon for persistence
            • Modifies firewall policy service
            • Modifies security service
            • UAC bypass
            • Windows security bypass
            • Drops startup file
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1520
          • C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe
            "C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" elevate
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:944
            • C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe
              "C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" elevate
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:544
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe"" admin
                7⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2520
                • C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe
                  "C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" admin
                  8⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:3048
                  • C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe
                    "C:\Users\Admin\AppData\Local\Temp\vdbltwns.exe" admin
                    9⤵
                    • Modifies firewall policy service
                    • Modifies security service
                    • UAC bypass
                    • Windows security bypass
                    • Executes dropped EXE
                    • Windows security modification
                    • Checks whether UAC is enabled
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • System policy modification
                    PID:2940

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • \Users\Admin\AppData\Local\Temp\t32KY8d5k

          Filesize

          99KB

          MD5

          33ace2a98e6aa56dbd6f1ae58a9af9ae

          SHA1

          67de6edab77318d997f002c9884dd08069612570

          SHA256

          8bf10012bf59dbc3f6509bbf1dc12490779fc5962aa37fcebbcc434e2612371c

          SHA512

          ea77d71297f7ef842f0c1c7b6f8eb53f8d6d3f223d4f5d2bb4214102601a1197f038a1339d5245ed87671947e90910b78cbe7081d05c0e5cedd55b0726e362f5

        • memory/544-135-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/944-130-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/944-121-0x0000000000260000-0x0000000000290000-memory.dmp

          Filesize

          192KB

        • memory/944-115-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

        • memory/1520-90-0x0000000020010000-0x000000002002E000-memory.dmp

          Filesize

          120KB

        • memory/1520-61-0x0000000020010000-0x000000002002E000-memory.dmp

          Filesize

          120KB

        • memory/1520-70-0x0000000020010000-0x000000002002E000-memory.dmp

          Filesize

          120KB

        • memory/1520-81-0x0000000020010000-0x000000002002E000-memory.dmp

          Filesize

          120KB

        • memory/1520-93-0x0000000020010000-0x000000002002E000-memory.dmp

          Filesize

          120KB

        • memory/1520-82-0x0000000020010000-0x000000002002E000-memory.dmp

          Filesize

          120KB

        • memory/2520-137-0x0000000000120000-0x0000000000150000-memory.dmp

          Filesize

          192KB

        • memory/2716-55-0x0000000020010000-0x000000002001D000-memory.dmp

          Filesize

          52KB

        • memory/2716-50-0x0000000020010000-0x000000002001D000-memory.dmp

          Filesize

          52KB

        • memory/2716-49-0x0000000000050000-0x0000000000051000-memory.dmp

          Filesize

          4KB

        • memory/2716-54-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB

        • memory/2716-56-0x0000000020010000-0x000000002001D000-memory.dmp

          Filesize

          52KB

        • memory/2716-57-0x0000000020010000-0x000000002001D000-memory.dmp

          Filesize

          52KB

        • memory/2716-48-0x0000000000070000-0x0000000000071000-memory.dmp

          Filesize

          4KB

        • memory/2716-38-0x0000000020010000-0x000000002001D000-memory.dmp

          Filesize

          52KB

        • memory/2716-40-0x0000000000050000-0x0000000000051000-memory.dmp

          Filesize

          4KB

        • memory/2728-11-0x0000000074891000-0x0000000074892000-memory.dmp

          Filesize

          4KB

        • memory/2728-0-0x00000000000C0000-0x00000000000C1000-memory.dmp

          Filesize

          4KB

        • memory/2728-9-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2728-69-0x00000000000C0000-0x00000000000C1000-memory.dmp

          Filesize

          4KB

        • memory/2728-10-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2780-34-0x0000000000270000-0x0000000000271000-memory.dmp

          Filesize

          4KB

        • memory/2780-91-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-24-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-19-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-31-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-68-0x000000007727F000-0x0000000077280000-memory.dmp

          Filesize

          4KB

        • memory/2780-67-0x0000000077280000-0x0000000077281000-memory.dmp

          Filesize

          4KB

        • memory/2780-22-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-26-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-29-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-30-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-33-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/2780-92-0x0000000077280000-0x0000000077281000-memory.dmp

          Filesize

          4KB

        • memory/2780-114-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-46-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-47-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2780-36-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2804-44-0x0000000000020000-0x0000000000023000-memory.dmp

          Filesize

          12KB

        • memory/2804-21-0x0000000000240000-0x0000000000270000-memory.dmp

          Filesize

          192KB

        • memory/2804-45-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2804-14-0x0000000072940000-0x0000000072A93000-memory.dmp

          Filesize

          1.3MB

        • memory/2804-12-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2804-13-0x0000000000020000-0x0000000000023000-memory.dmp

          Filesize

          12KB

        • memory/2940-157-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2940-161-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3048-153-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB