Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2025, 06:37

General

  • Target

    JaffaCakes118_63c2b8fe6124b4205577967845c7fd47.xls

  • Size

    132KB

  • MD5

    63c2b8fe6124b4205577967845c7fd47

  • SHA1

    53ea2affb4b7809d96c0d151839bd859a8d5de2b

  • SHA256

    c2c4a63a62ff0df13f68f4403dd15f71d1b6f5c94ece4a4505eabdf4f71bf1a1

  • SHA512

    5681c892c5325a30593019c0be556e11c5be0a822ccababbf15bbef3e98f8500c87f51ce07158ad8b5dd0cec15fa3afdeb230678e9b32f1e1dbe5ff935cd4f86

  • SSDEEP

    1536:+nGGGanIbBldEkjz0IX3GEc9abfKGiVAmYqN9WkUfNS8MnnWVbr7Q7ITkOD2Kk5P:ihXvWVbr7Q7ITkPpbJtXw0v4pI

Malware Config

Signatures

  • Process spawned unexpected child process 3 IoCs

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

  • Deletes itself 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63c2b8fe6124b4205577967845c7fd47.xls
    1⤵
    • Deletes itself
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2140
      • C:\Windows\SysWOW64\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
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Windows\SysWOW64\attrib.exe
          attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
          3⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2952
      • C:\Windows\SysWOW64\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
        • System Location Discovery: System Language Discovery
        PID:1140
      • C:\Windows\SysWOW64\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
        • System Location Discovery: System Language Discovery
        PID:2496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2476-1-0x000000007287D000-0x0000000072888000-memory.dmp

      Filesize

      44KB

    • memory/2476-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2476-5-0x00000000064C0000-0x00000000065C0000-memory.dmp

      Filesize

      1024KB

    • memory/2476-31-0x00000000064C0000-0x00000000065C0000-memory.dmp

      Filesize

      1024KB

    • memory/2476-49-0x00000000064C0000-0x00000000065C0000-memory.dmp

      Filesize

      1024KB

    • memory/2476-77-0x00000000064C0000-0x00000000065C0000-memory.dmp

      Filesize

      1024KB

    • memory/2476-93-0x00000000064C0000-0x00000000065C0000-memory.dmp

      Filesize

      1024KB

    • memory/2476-331-0x000000007287D000-0x0000000072888000-memory.dmp

      Filesize

      44KB

    • memory/2476-332-0x00000000064C0000-0x00000000065C0000-memory.dmp

      Filesize

      1024KB