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, 22:25

General

  • Target
    92d0ce760905f27735175f3c6540514c_JaffaCakes118.exe
  • Size 512KB
  • Sample240603-2cca7scb53
  • SHA256 149ce4d9932e451dbf4a19e4e32c744ce8f594388acf661aa0d77db054c9aefc
  • 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\92d0ce760905f27735175f3c6540514c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\92d0ce760905f27735175f3c6540514c_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:1756
    • C:\Users\Admin\AppData\Local\Temp\n8093\s8093.exe
      "C:\Users\Admin\AppData\Local\Temp\n8093\s8093.exe" 7bd7f4a2f4a73c6f484a432fl294irGN+FL8QcOp2d2WucTW2aTyvOj89R0aOI7PXNzGCiIP+c3+/CKm3ERLQr03jStUBABoMtYDRDZT4DshW0ZOInOMVFCVjv+0YoL0zts7QCxcyZrx9jWaoPSgyGMT2/l/m3nZdvEL0IplsK1cxKPr /v "C:\Users\Admin\AppData\Local\Temp\92d0ce760905f27735175f3c6540514c_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:2988

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        s8093.exe

        • Path C:\Users\Admin\AppData\Local\Temp\n8093\s8093.exe
        • Size 230KB
        • SHA256 b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e
        • MD5 SHA1 SHA512 SSDEEP

        memory/2988-12-0x00007FFC74C35000-0x00007FFC74C36000-memory.dmp

        memory/2988-13-0x00007FFC74980000-0x00007FFC75321000-memory.dmp

        memory/2988-28-0x000000001B460000-0x000000001B472000-memory.dmp

        memory/2988-31-0x000000001BF80000-0x000000001C44E000-memory.dmp

        memory/2988-32-0x000000001C4F0000-0x000000001C58C000-memory.dmp

        memory/2988-33-0x000000001C620000-0x000000001C682000-memory.dmp

        memory/2988-34-0x00007FFC74980000-0x00007FFC75321000-memory.dmp

        memory/2988-35-0x000000001B5B0000-0x000000001B5B8000-memory.dmp

        memory/2988-36-0x00007FFC74980000-0x00007FFC75321000-memory.dmp

        memory/2988-37-0x00007FFC74980000-0x00007FFC75321000-memory.dmp

        memory/2988-38-0x00007FFC74980000-0x00007FFC75321000-memory.dmp

        memory/2988-39-0x0000000020270000-0x000000002077E000-memory.dmp

        memory/2988-40-0x000000001E0B0000-0x000000001E1EC000-memory.dmp

        memory/2988-42-0x00007FFC74980000-0x00007FFC75321000-memory.dmp