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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 00:12

General

  • Target

    2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe

  • Size

    98KB

  • MD5

    2e54cc4048d90189f67eb165881b9078

  • SHA1

    ec661d97867d039cf2caf438e9bdcbce5ebf215d

  • SHA256

    c4e4c92c95c9655a8473627d06696463824feb7e7eb956b772f597ede4a29e0e

  • SHA512

    65bb3cd0329bc650deade336a53c4f2ac318245915614aa7da82d40aa0580252b9642aae6fc28c0c6d0f564eb8fbf86e6ed7c090190eacb032bb2a260734428e

  • SSDEEP

    3072:FyXZfJF4pwOe9Pnc+m/ehnS6eNi1vCJwnkUc:F+JF4pwOmhhS6Fnk

Score
8/10

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1908
        • C:\Windows\svcr.exe
          "C:\Windows\svcr.exe"
          3⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2196
        • C:\Windows\clb_injector.exe
          "C:\Windows\clb_injector.exe"
          3⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          PID:7564
          • C:\Windows\svcr32.exe
            "C:\Windows\svcr32.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            PID:7632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\clb_injector.exe

      Filesize

      153KB

      MD5

      94c7acc59d8965d53f427f9ab9cad052

      SHA1

      9812a93676232d07638bcbab87694294c2e55ade

      SHA256

      797b0dfbbd2fcf0b621c576647bd4c2396352ec5baab261f3c409d75fca14341

      SHA512

      dccb40b90e7d16865228575a4747ba1946fb30226cad63b9bcb388bdb526d64b965d2e4698ecef83d241519a9fd8effff6d176139ec4a6185f967f557bf1547d

    • C:\Windows\svcr.exe

      Filesize

      134KB

      MD5

      854db12fdc28dfe712aa9005f8039341

      SHA1

      9d0ee1d9e3d35a0bf607efa172de155202ef9404

      SHA256

      c31cd269c069f2ec235e979175e6f24af0fa44ba4bdbea1a938ee4a52ec4258d

      SHA512

      3ee61806ca88ef720604e5985c3d52c43770b5a75b7a833102176ff1f79753b12547368f888b62d8599673058c007f143ffcd3eda0d8c841227eeaf49276444c

    • memory/1192-12-0x0000000002190000-0x0000000002191000-memory.dmp

      Filesize

      4KB

    • memory/1908-0-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/1908-10-0x00000000008A0000-0x00000000008B0000-memory.dmp

      Filesize

      64KB

    • memory/1908-1564-0x0000000000400000-0x0000000000461000-memory.dmp

      Filesize

      388KB

    • memory/2196-11-0x0000000010410000-0x000000001042E000-memory.dmp

      Filesize

      120KB