Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-02-2024 10:43

General

  • Target

    ae51f9c84aa952eb79dc4a1ae368aa3f.xls

  • Size

    125KB

  • MD5

    ae51f9c84aa952eb79dc4a1ae368aa3f

  • SHA1

    3e05f5c32bd710121bfeeac0835a99142694221d

  • SHA256

    54c8e83e3600d0c86b6a24b9fc2522ea1f1ced9e7296aef429846ac75dbfff9d

  • SHA512

    4cd0b64940cfba5c1814068a893291513b00cb7c41ef2f8b0877bdfab055aa62bcfc949badf0e8c415f37c509ec04689bda501f9e1922cac5f5801d02c0eece2

  • SSDEEP

    1536:YUUUURJYAKZ0B6cVOPg1KAsWVbrzQ7ITkR62GUM88ScJtXwCv4DM1Yv9tK:5ApVbrzQ7ITk98jhJtXwCv4uYvHK

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 4 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 20 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\ae51f9c84aa952eb79dc4a1ae368aa3f.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:2972
    • 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:2196
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:2844
    • 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:2224
    • 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:2260
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\System32\wscript.exe" E:\KK\ae51f9c84aa952eb79dc4a1ae368aa3f_Search.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2972-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2972-1-0x0000000072B1D000-0x0000000072B28000-memory.dmp

    Filesize

    44KB

  • memory/2972-2-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-4-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-3-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-8-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-9-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-6-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-5-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-11-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-10-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-16-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-20-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-25-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-28-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-29-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-27-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-26-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-24-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-23-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-30-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-22-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-31-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-21-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-19-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-18-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-33-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-17-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-15-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-14-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-13-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-12-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-55-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-56-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-80-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-123-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-126-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-150-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-173-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-198-0x0000000072B1D000-0x0000000072B28000-memory.dmp

    Filesize

    44KB

  • memory/2972-200-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-223-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-242-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-270-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-291-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-316-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-340-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-363-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-388-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-389-0x00000000006B0000-0x00000000007B0000-memory.dmp

    Filesize

    1024KB

  • memory/2972-393-0x0000000072B1D000-0x0000000072B28000-memory.dmp

    Filesize

    44KB