Analysis

  • max time kernel
    239s
  • max time network
    333s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 13:34

General

  • Target

    08e48cf8f56bbf002234fe4cccc13c7686c2e90a23c19317a2e6b91664888008.xls

  • Size

    109KB

  • MD5

    6614c58611c37db1cf7da600fc1e7dfd

  • SHA1

    327842dc3d7c3de41affa54af96f5b30f08161aa

  • SHA256

    08e48cf8f56bbf002234fe4cccc13c7686c2e90a23c19317a2e6b91664888008

  • SHA512

    271074efef677feac0963214dcabfd6e929509938f04bf6681fcbf330bf677628dfe7d4aaa11001076372a6549d6604f2d058171dfc87e852de86dbfd7ba0089

  • SSDEEP

    1536:xfffC6G+VfJyQksFl6VJOufFtMTmFqmQGHR9EOfWVbT+zxXIzQ7ITkR62lUpkhYE:0RR9tWVbO4zQ7ITk9H2AJtXwN5kxh

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.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 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\08e48cf8f56bbf002234fe4cccc13c7686c2e90a23c19317a2e6b91664888008.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:656
    • 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
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1384
    • 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
      PID:1012
    • 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
      PID:1884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/656-75-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-61-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/656-54-0x000000002FAB1000-0x000000002FAB4000-memory.dmp

    Filesize

    12KB

  • memory/656-58-0x00000000753F1000-0x00000000753F3000-memory.dmp

    Filesize

    8KB

  • memory/656-79-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-62-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-77-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-60-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-63-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-64-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-65-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-66-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-67-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-69-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-70-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-71-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-72-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-73-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-74-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-57-0x0000000071E2D000-0x0000000071E38000-memory.dmp

    Filesize

    44KB

  • memory/656-55-0x0000000070E41000-0x0000000070E43000-memory.dmp

    Filesize

    8KB

  • memory/656-59-0x0000000071E2D000-0x0000000071E38000-memory.dmp

    Filesize

    44KB

  • memory/656-80-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-82-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-83-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-81-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-84-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-86-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-85-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-78-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-76-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-68-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-87-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-88-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-110-0x000000000569C000-0x00000000056FF000-memory.dmp

    Filesize

    396KB

  • memory/656-224-0x0000000071E2D000-0x0000000071E38000-memory.dmp

    Filesize

    44KB