Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 22:14

General

  • Target
    a6d5a0565f8a41f8072c5413a87c7dd7_JaffaCakes118.exe
  • Size 512KB
  • Sample240613-151ntssdmc
  • SHA256 24aeaae5cbd4b88d31b93107e05bf2d516848cb4484bac1fa1ed402a89bf58c5
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6d5a0565f8a41f8072c5413a87c7dd7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a6d5a0565f8a41f8072c5413a87c7dd7_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Users\Admin\AppData\Local\Temp\n9337\s9337.exe
      "C:\Users\Admin\AppData\Local\Temp\n9337\s9337.exe" 6cfe422d4d75a760c79dee44jhmpKrpkNLlAaURTmviF4VZkhmzsaIMDnjVfFTg6ZFEKgkC6tsvgtn8CZhIHwVxdm3DXEisMvEnq78hXSSb36u9NH8DZHLn02iVtSYwgzg0wUaw0M927X7gq6xQgKfFu9OXDg9Kk8f/3W5OkFcW+wXO3 /v "C:\Users\Admin\AppData\Local\Temp\a6d5a0565f8a41f8072c5413a87c7dd7_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3844

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        s9337.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n9337\s9337.exe
        • Size 230KB
        • SHA256 b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
        • MD5 SHA1 SHA512 SSDEEP

        memory/3844-12-0x00007FFCEEC75000-0x00007FFCEEC76000-memory.dmp

        memory/3844-13-0x00007FFCEE9C0000-0x00007FFCEF361000-memory.dmp

        memory/3844-29-0x0000000000A90000-0x0000000000AA2000-memory.dmp

        memory/3844-32-0x000000001C160000-0x000000001C62E000-memory.dmp

        memory/3844-33-0x000000001C630000-0x000000001C6CC000-memory.dmp

        memory/3844-34-0x000000001C7B0000-0x000000001C812000-memory.dmp

        memory/3844-35-0x00007FFCEE9C0000-0x00007FFCEF361000-memory.dmp

        memory/3844-36-0x000000001BB50000-0x000000001BB58000-memory.dmp

        memory/3844-37-0x00007FFCEE9C0000-0x00007FFCEF361000-memory.dmp

        memory/3844-38-0x00007FFCEE9C0000-0x00007FFCEF361000-memory.dmp

        memory/3844-39-0x00007FFCEE9C0000-0x00007FFCEF361000-memory.dmp

        memory/3844-40-0x00007FFCEE9C0000-0x00007FFCEF361000-memory.dmp

        memory/3844-41-0x0000000020210000-0x000000002071E000-memory.dmp

        memory/3844-42-0x0000000020960000-0x0000000020A9C000-memory.dmp

        memory/3844-44-0x00007FFCEE9C0000-0x00007FFCEF361000-memory.dmp