Analysis

  • max time kernel
    154s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    18/09/2022, 22:24

General

  • Target

    9b1ecfcc60aa64ff560fec55cac99ff2da66ecba030d9ee76c572e7837d0a0fc.xls

  • Size

    1.3MB

  • MD5

    20b9ea3c92dd839ec1779bac403a44e7

  • SHA1

    d4dd010d16da5d638b511f09598c430bef18c842

  • SHA256

    9b1ecfcc60aa64ff560fec55cac99ff2da66ecba030d9ee76c572e7837d0a0fc

  • SHA512

    a7fc30818b8d05c51792636c7dea031ef88cdbe076715cb6328cdf85fe672d37f0d9ec8ee6c1d44dbe62ed2e62b47c7b4a9056d617bd0704ca47a9056ebd605e

  • SSDEEP

    12288:5l07xAdrnmsyrfxHBZWJul+kWjVqG9wIUSlwvNkJf:UprpHBZKul+5kIVwu

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 8 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\9b1ecfcc60aa64ff560fec55cac99ff2da66ecba030d9ee76c572e7837d0a0fc.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1508
    • 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:1904
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:756
    • 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:1748
    • 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:892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1508-71-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-68-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-58-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB

  • memory/1508-59-0x000000007219D000-0x00000000721A8000-memory.dmp

    Filesize

    44KB

  • memory/1508-80-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-79-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-81-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-78-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-69-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-76-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-75-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-74-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-73-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-72-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-57-0x000000007219D000-0x00000000721A8000-memory.dmp

    Filesize

    44KB

  • memory/1508-54-0x000000002F7C1000-0x000000002F7C4000-memory.dmp

    Filesize

    12KB

  • memory/1508-77-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-70-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-67-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-66-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-65-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-64-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-63-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-62-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-61-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-60-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-82-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-104-0x000000000088E000-0x0000000000892000-memory.dmp

    Filesize

    16KB

  • memory/1508-55-0x00000000711B1000-0x00000000711B3000-memory.dmp

    Filesize

    8KB

  • memory/1508-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB