Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 08:09

General

  • Target
    f556b8ce385fc52e5ab46da5238439bb_JaffaCakes118.xls
  • Size 161KB
  • Sample240417-j2gm4she55
  • SHA256 14d0df467f121adf0e755600e9ff5142551b0ac4cfb8fa0356214d11567a9cc6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

  • Deletes itself 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f556b8ce385fc52e5ab46da5238439bb_JaffaCakes118.xls"
    1⤵
    • Deletes itself
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:4444
      • C:\Windows\system32\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1112
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:4800
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
      2⤵
      • Process spawned unexpected child process
      PID:4808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        f556b8ce385fc52e5ab46da5238439bb_JaffaCakes118.xls

        • Path C:\Users\Admin\AppData\Local\Temp\f556b8ce385fc52e5ab46da5238439bb_JaffaCakes118.xls
        • Size 185KB
        • SHA256 585ac7d526ef89cf8ceb48596e0c8307ad5d6c33902eacc29f7e5ab568403ca6
        • MD5 SHA1 SHA512 SSDEEP

        memory/880-1-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-0-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-2-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-3-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-4-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-7-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-6-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-8-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-5-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-9-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-10-0x00007FFD15B30000-0x00007FFD15B40000-memory.dmp

        memory/880-11-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-12-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-13-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-15-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-16-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-17-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-14-0x00007FFD15B30000-0x00007FFD15B40000-memory.dmp

        memory/880-18-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-31-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-41-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-44-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-48-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-53-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-55-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-58-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-61-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-62-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-63-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-67-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-75-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-79-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-82-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-97-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-101-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-102-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-110-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-111-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp

        memory/880-112-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-113-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-114-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-115-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-116-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-119-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-120-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-121-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-122-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-123-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-124-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-125-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-126-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-127-0x000002B5B8410000-0x000002B5B93E0000-memory.dmp

        memory/880-128-0x000002B5B56C0000-0x000002B5B5EC0000-memory.dmp

        memory/880-144-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-145-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-146-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-147-0x00007FFD17C30000-0x00007FFD17C40000-memory.dmp

        memory/880-148-0x00007FFD57BB0000-0x00007FFD57DA5000-memory.dmp