Analysis

  • max time kernel
    102s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2022 23:58

General

  • Target

    c2a0602f7ca3e9ee29540192a9cf21606b0f0115a32b594f420cb0ba3e1692d7.xls

  • Size

    163KB

  • MD5

    4ccdd474fd3cda73be1b15771aed0304

  • SHA1

    6c4d45cbee900ad862ab4cb09ea6244f99137715

  • SHA256

    c2a0602f7ca3e9ee29540192a9cf21606b0f0115a32b594f420cb0ba3e1692d7

  • SHA512

    8a1a6b792eb45c1c8dabd6d50056b5b7e97dc3d1c8ebc48cb51215f8af822c2a96f5d6c739e5d11e5fdffe52404add5664b097f9f99484e50b4a7c187021a0ca

  • SSDEEP

    3072:syh/sKqt53Nj54ygN0kAtPHS2jcc0lbxOrgPqJtXwwg:xhzqADAtPHCE

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.

  • Deletes itself 1 IoCs
  • 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 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\c2a0602f7ca3e9ee29540192a9cf21606b0f0115a32b594f420cb0ba3e1692d7.xls
    1⤵
    • Deletes itself
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1528
    • 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:1924
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1552
    • 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:580
    • 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:1864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/580-220-0x0000000000000000-mapping.dmp

  • memory/1528-71-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-68-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-57-0x000000007202D000-0x0000000072038000-memory.dmp

    Filesize

    44KB

  • memory/1528-58-0x00000000757B1000-0x00000000757B3000-memory.dmp

    Filesize

    8KB

  • memory/1528-70-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-65-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-67-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-69-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-77-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-79-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-76-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-75-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-74-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-73-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-72-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-54-0x000000002FE31000-0x000000002FE34000-memory.dmp

    Filesize

    12KB

  • memory/1528-66-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1528-78-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-82-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-83-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-81-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-80-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-85-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-86-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-84-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-87-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-109-0x00000000006B7000-0x00000000006C0000-memory.dmp

    Filesize

    36KB

  • memory/1528-410-0x000000007202D000-0x0000000072038000-memory.dmp

    Filesize

    44KB

  • memory/1528-55-0x0000000071041000-0x0000000071043000-memory.dmp

    Filesize

    8KB

  • memory/1528-223-0x000000007202D000-0x0000000072038000-memory.dmp

    Filesize

    44KB

  • memory/1552-222-0x0000000000000000-mapping.dmp

  • memory/1864-221-0x0000000000000000-mapping.dmp

  • memory/1924-219-0x0000000000000000-mapping.dmp