Analysis

  • max time kernel
    106s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 12:12

General

  • Target

    9d6ca7d8cce7485c89081606e4155e1e57c9d0dfeb0c6f7430c3b0d246c81dbf.xls

  • Size

    105KB

  • MD5

    1260cf813e56666f5fc5dea49e378150

  • SHA1

    2715dfe2ec5c0e206ed4e7759b7fc2c691918710

  • SHA256

    9d6ca7d8cce7485c89081606e4155e1e57c9d0dfeb0c6f7430c3b0d246c81dbf

  • SHA512

    e071175f2ddae5492a60a89a5d4577c894cb9add044dfd192cbf1f2e8425e873ca5d387715f8c24336077e56e262ff86ea7034bbc6bec181f0edbc5f2a533eea

  • SSDEEP

    1536:wOOOMKKuOvzLal6yErOaJgpKmBZ958js1aWVbrzQ7IJukiD2YQ1UcJtXw+60lOTY:5SWVbrzQ7IIkD7XJtXwf

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 3 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\9d6ca7d8cce7485c89081606e4155e1e57c9d0dfeb0c6f7430c3b0d246c81dbf.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:2016
    • 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:696
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1172
    • 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:780
    • 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:1536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/696-219-0x0000000000000000-mapping.dmp

  • memory/780-220-0x0000000000000000-mapping.dmp

  • memory/1172-222-0x0000000000000000-mapping.dmp

  • memory/1536-221-0x0000000000000000-mapping.dmp

  • memory/2016-75-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-78-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-71-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-70-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-69-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-68-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-67-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-66-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-65-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-74-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-73-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-76-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-54-0x000000002FF41000-0x000000002FF44000-memory.dmp

    Filesize

    12KB

  • memory/2016-79-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-80-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-72-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-77-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-83-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-82-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-81-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-86-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-85-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-84-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-87-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-109-0x00000000006A8000-0x00000000006AB000-memory.dmp

    Filesize

    12KB

  • memory/2016-58-0x0000000075661000-0x0000000075663000-memory.dmp

    Filesize

    8KB

  • memory/2016-57-0x000000007230D000-0x0000000072318000-memory.dmp

    Filesize

    44KB

  • memory/2016-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2016-55-0x0000000071321000-0x0000000071323000-memory.dmp

    Filesize

    8KB

  • memory/2016-383-0x000000007230D000-0x0000000072318000-memory.dmp

    Filesize

    44KB

  • memory/2016-385-0x000000007230D000-0x0000000072318000-memory.dmp

    Filesize

    44KB