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Analysis

  • max time kernel
    147s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2024, 22:31

General

  • Target

    267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll

  • Size

    60KB

  • MD5

    267773fdad7ae1984bfc052fb653903d

  • SHA1

    b6c5bf1bafd819405282680b110832ef90e245eb

  • SHA256

    b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37

  • SHA512

    1b6dc400338f7aeeb11082a54d6d4a8d694230ed68c88e4e23c4142592c6b30823bf37d055b4f3ba1941114d88b82203dfce7691932f5635c0dd82feb375c215

  • SSDEEP

    1536:bQhWdNgUP4/3ZiWY+6V1NLCBT8bjltWOjdZ7:ngPZY+Q0ubptWO5N

Malware Config

Signatures

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 2 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Enumerates system info in registry 2 TTPs 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1132
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2536
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll,#1
              3⤵
              • Adds Run key to start application
              • Drops file in System32 directory
              • Drops file in Windows directory
              • Event Triggered Execution: Netsh Helper DLL
              • Enumerates system info in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1748
              • C:\Windows\SysWOW64\RunDll32.exe
                RunDll32 "C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll",Init
                4⤵
                  PID:1524
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            1⤵
              PID:1232

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\GroupPolicy\hostsrv.dll

              Filesize

              60KB

              MD5

              267773fdad7ae1984bfc052fb653903d

              SHA1

              b6c5bf1bafd819405282680b110832ef90e245eb

              SHA256

              b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37

              SHA512

              1b6dc400338f7aeeb11082a54d6d4a8d694230ed68c88e4e23c4142592c6b30823bf37d055b4f3ba1941114d88b82203dfce7691932f5635c0dd82feb375c215

            • memory/1064-10-0x00000000004D0000-0x00000000004D1000-memory.dmp

              Filesize

              4KB

            • memory/1064-8-0x00000000004D0000-0x00000000004D1000-memory.dmp

              Filesize

              4KB

            • memory/1524-29-0x00000000751A0000-0x00000000751C3000-memory.dmp

              Filesize

              140KB

            • memory/1524-28-0x0000000000170000-0x0000000000171000-memory.dmp

              Filesize

              4KB

            • memory/1524-26-0x0000000000170000-0x0000000000171000-memory.dmp

              Filesize

              4KB

            • memory/1524-30-0x00000000751A0000-0x00000000751C3000-memory.dmp

              Filesize

              140KB

            • memory/1748-1-0x00000000751A1000-0x00000000751AD000-memory.dmp

              Filesize

              48KB

            • memory/1748-0-0x00000000751A0000-0x00000000751C3000-memory.dmp

              Filesize

              140KB