Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 03:08

General

  • Target
    9059914ad121ab7a224ab6ce62cc14d8_JaffaCakes118.exe
  • Size 512KB
  • Sample240603-dndreaae34
  • SHA256 23ec518a6d4e34fdb2d738ced61aba313a18595af2657a19fb30c19e77cad760
  • 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\9059914ad121ab7a224ab6ce62cc14d8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9059914ad121ab7a224ab6ce62cc14d8_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:2132
    • C:\Users\Admin\AppData\Local\Temp\n805\s805.exe
      "C:\Users\Admin\AppData\Local\Temp\n805\s805.exe" a4945f3b1a8e529eee80239adgjFbYfrcbRKde6beR+SAFocyEfm1RGxqPCNe61hWNV7qKZL1iS1btxPieJQglx6CgpEbV8VfrKDjgCNQOhzA1xGvsdT4XOhRWqdV3ky4G0JBBmMrrZcJvK9Ie1bjjZa2eMwam2Fnr6r9XhOjqaP7zpj /v "C:\Users\Admin\AppData\Local\Temp\9059914ad121ab7a224ab6ce62cc14d8_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:2368

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        s805.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n805\s805.exe
        • Size 230KB
        • SHA256 b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
        • MD5 SHA1 SHA512 SSDEEP

        memory/2368-12-0x00007FFF0F4F5000-0x00007FFF0F4F6000-memory.dmp

        memory/2368-13-0x00007FFF0F240000-0x00007FFF0FBE1000-memory.dmp

        memory/2368-33-0x00000000012F0000-0x0000000001302000-memory.dmp

        memory/2368-36-0x000000001C6E0000-0x000000001CBAE000-memory.dmp

        memory/2368-37-0x000000001CC50000-0x000000001CCEC000-memory.dmp

        memory/2368-38-0x000000001CE00000-0x000000001CE62000-memory.dmp

        memory/2368-39-0x00007FFF0F240000-0x00007FFF0FBE1000-memory.dmp

        memory/2368-40-0x000000001B950000-0x000000001B958000-memory.dmp

        memory/2368-41-0x00007FFF0F240000-0x00007FFF0FBE1000-memory.dmp

        memory/2368-42-0x00007FFF0F240000-0x00007FFF0FBE1000-memory.dmp

        memory/2368-43-0x00007FFF0F240000-0x00007FFF0FBE1000-memory.dmp

        memory/2368-44-0x00007FFF0F240000-0x00007FFF0FBE1000-memory.dmp

        memory/2368-45-0x00000000207E0000-0x0000000020CEE000-memory.dmp

        memory/2368-46-0x0000000020CF0000-0x0000000020E2C000-memory.dmp

        memory/2368-48-0x00007FFF0F240000-0x00007FFF0FBE1000-memory.dmp