Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 20:41

General

  • Target
    3c7d65a334e856448d339e76a170e885_JaffaCakes118.exe
  • Size 512KB
  • Sample240513-zgs4eade99
  • SHA256 22d67a455f8b592b96612dc1fb0e017269a8c3993514f47ffd84198a84da0ef7
  • 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\3c7d65a334e856448d339e76a170e885_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c7d65a334e856448d339e76a170e885_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:2248
    • C:\Users\Admin\AppData\Local\Temp\n6415\s6415.exe
      "C:\Users\Admin\AppData\Local\Temp\n6415\s6415.exe" 8e35f07cc6b126456f9f5fcci+7RbaQ8qZFSX3Cqd9r4fozgELTw33umCqR0JW7chP7XrywhUDxEFpLcqh2wOCATiTfEXoeny8rygWa4OxdUbiRgI0+0WTmDrDlM8TZ5fAHtIrLLkt/EzpEfj4ezQO+ztvb3255o67AVjJpZuHntQyvJ /v "C:\Users\Admin\AppData\Local\Temp\3c7d65a334e856448d339e76a170e885_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:2200

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        s6415.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n6415\s6415.exe
        • Size 230KB
        • SHA256 b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
        • MD5 SHA1 SHA512 SSDEEP

        memory/2200-12-0x00007FF8E48A5000-0x00007FF8E48A6000-memory.dmp

        memory/2200-13-0x00007FF8E45F0000-0x00007FF8E4F91000-memory.dmp

        memory/2200-31-0x000000001B5F0000-0x000000001B602000-memory.dmp

        memory/2200-34-0x000000001C470000-0x000000001C93E000-memory.dmp

        memory/2200-35-0x000000001C940000-0x000000001C9DC000-memory.dmp

        memory/2200-36-0x000000001CAA0000-0x000000001CB02000-memory.dmp

        memory/2200-37-0x00007FF8E45F0000-0x00007FF8E4F91000-memory.dmp

        memory/2200-38-0x000000001B620000-0x000000001B628000-memory.dmp

        memory/2200-39-0x00007FF8E45F0000-0x00007FF8E4F91000-memory.dmp

        memory/2200-40-0x00007FF8E45F0000-0x00007FF8E4F91000-memory.dmp

        memory/2200-41-0x00007FF8E45F0000-0x00007FF8E4F91000-memory.dmp

        memory/2200-42-0x00007FF8E45F0000-0x00007FF8E4F91000-memory.dmp

        memory/2200-43-0x0000000020570000-0x0000000020A7E000-memory.dmp

        memory/2200-44-0x0000000020A80000-0x0000000020BBC000-memory.dmp

        memory/2200-46-0x00007FF8E45F0000-0x00007FF8E4F91000-memory.dmp