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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 03:52

General

  • Target

    11b8ed7818b874e5ee7a1d1694637023_JaffaCakes118.xls

  • Size

    132KB

  • MD5

    11b8ed7818b874e5ee7a1d1694637023

  • SHA1

    c0bad45eb3f7b222146283d9b846977f8575a88b

  • SHA256

    ca334a40d33507790776983aed820a0ea3d9e0fcddddd5024efd39e16cd7b4f6

  • SHA512

    34d9aef98867f984f0dbc81b4e5ed99f4be769c3484f5e6c07046884c5291aecb4555791153307741c5b69fb11b298508ddfd9952d976435a7fceca9a1b2f222

  • SSDEEP

    3072:Z+Fi+VjV3lj/HeWVbrzQ7ITkD2TLjvaw5D8:j+VVRa2r

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 16 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\11b8ed7818b874e5ee7a1d1694637023_JaffaCakes118.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:2480
    • 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:1916
      • 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:2256
    • 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:752
    • 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:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2480-1-0x00000000729ED000-0x00000000729F8000-memory.dmp

    Filesize

    44KB

  • memory/2480-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2480-120-0x00000000062D0000-0x00000000063D0000-memory.dmp

    Filesize

    1024KB

  • memory/2480-97-0x00000000062D0000-0x00000000063D0000-memory.dmp

    Filesize

    1024KB

  • memory/2480-74-0x00000000062D0000-0x00000000063D0000-memory.dmp

    Filesize

    1024KB

  • memory/2480-329-0x00000000729ED000-0x00000000729F8000-memory.dmp

    Filesize

    44KB

  • memory/2480-330-0x00000000062D0000-0x00000000063D0000-memory.dmp

    Filesize

    1024KB

  • memory/2480-331-0x00000000062D0000-0x00000000063D0000-memory.dmp

    Filesize

    1024KB

  • memory/2480-332-0x00000000062D0000-0x00000000063D0000-memory.dmp

    Filesize

    1024KB