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Analysis

  • max time kernel
    177s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 11:14

General

  • Target

    31f13bcedfd5e28b3fd679c47223c2d53f7aaf7c377e90d86e267cc1c3c8a66b.xls

  • Size

    96KB

  • MD5

    00142a44ffac759b5d3564e284b13325

  • SHA1

    da2f651e19088d64c4750f5a808e7f0a8e8c5bc2

  • SHA256

    31f13bcedfd5e28b3fd679c47223c2d53f7aaf7c377e90d86e267cc1c3c8a66b

  • SHA512

    20761f2bd11628da72c02b736961104c3ee86ffdf9e52fefc4555583b680ee2a4491693c3376a41cf48b04a8dc3a738ef0629ea5040dd7943a0d9b5bc3874a81

  • SSDEEP

    1536:ZQQQQcSxoPVy4tzw2pWVbrzQ7ITkoYlFA23k088ScJtXwPhfw:wDWVbrzQ7ITkRNjhJtXwJfw

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.

  • 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 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\31f13bcedfd5e28b3fd679c47223c2d53f7aaf7c377e90d86e267cc1c3c8a66b.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2268
    • 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:2848
      • C:\Windows\system32\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:3488
    • 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:2492
    • 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:3720

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2268-138-0x00007FFE75E50000-0x00007FFE75E60000-memory.dmp

    Filesize

    64KB

  • memory/2268-145-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-133-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-135-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-136-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-137-0x00007FFE75E50000-0x00007FFE75E60000-memory.dmp

    Filesize

    64KB

  • memory/2268-134-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-147-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-132-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-146-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB

  • memory/2268-144-0x00007FFE78230000-0x00007FFE78240000-memory.dmp

    Filesize

    64KB