Analysis

  • max time kernel
    104s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 07:03

General

  • Target

    0c96d51f4643243439674af801b0fdf0fa7b1b1b1c0eaa164a9e07e73ea66372.xls

  • Size

    86KB

  • MD5

    f0dd2dbd92fa059aba0849c365a898cd

  • SHA1

    803b525b29d7e0670b6a99e5850239e180da3f6f

  • SHA256

    0c96d51f4643243439674af801b0fdf0fa7b1b1b1c0eaa164a9e07e73ea66372

  • SHA512

    a545af07a4162ab244b2a15ef927ef97c04b1e0b3cfa3781a51d289199f9ca2acff50dae084f88391f9236681a5dc0331fd1b252fbae93b2ff47e91c26e7dab1

  • SSDEEP

    1536:ymmmmCC37z8nY2jcc0lbxOvTgZEM88ScJbXwzlAs:q2jcc0lbxOrQjhJbXwZL

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\0c96d51f4643243439674af801b0fdf0fa7b1b1b1c0eaa164a9e07e73ea66372.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:1120
    • 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:1844
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:436
    • 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:820
    • 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:1176

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/436-222-0x0000000000000000-mapping.dmp
  • memory/820-220-0x0000000000000000-mapping.dmp
  • memory/1120-75-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-81-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-58-0x0000000075291000-0x0000000075293000-memory.dmp
    Filesize

    8KB

  • memory/1120-61-0x00000000004FF000-0x0000000000505000-memory.dmp
    Filesize

    24KB

  • memory/1120-60-0x00000000004FF000-0x0000000000505000-memory.dmp
    Filesize

    24KB

  • memory/1120-59-0x00000000004FF000-0x0000000000505000-memory.dmp
    Filesize

    24KB

  • memory/1120-63-0x00000000004FF000-0x0000000000505000-memory.dmp
    Filesize

    24KB

  • memory/1120-62-0x00000000004FF000-0x0000000000505000-memory.dmp
    Filesize

    24KB

  • memory/1120-65-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-66-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-64-0x00000000004FF000-0x0000000000505000-memory.dmp
    Filesize

    24KB

  • memory/1120-68-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-67-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-79-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-72-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-70-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-69-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-73-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-223-0x0000000071F1D000-0x0000000071F28000-memory.dmp
    Filesize

    44KB

  • memory/1120-385-0x0000000071F1D000-0x0000000071F28000-memory.dmp
    Filesize

    44KB

  • memory/1120-71-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-80-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-78-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-77-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-76-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-83-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-84-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-82-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-57-0x0000000071F1D000-0x0000000071F28000-memory.dmp
    Filesize

    44KB

  • memory/1120-85-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-86-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-87-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-109-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-74-0x0000000000505000-0x0000000000509000-memory.dmp
    Filesize

    16KB

  • memory/1120-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1120-54-0x000000002FD71000-0x000000002FD74000-memory.dmp
    Filesize

    12KB

  • memory/1120-55-0x0000000070F31000-0x0000000070F33000-memory.dmp
    Filesize

    8KB

  • memory/1176-221-0x0000000000000000-mapping.dmp
  • memory/1844-219-0x0000000000000000-mapping.dmp