Analysis

  • max time kernel
    115s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:10

General

  • Target

    c0e4122ad7718c4c853d56038390a2958297444a4a88f9a773df325c907d6d07.xls

  • Size

    91KB

  • MD5

    6e0d34564c64af625bd9642bdc8777dd

  • SHA1

    3505949f52fd308d458bae99bf4a06aff8fa3815

  • SHA256

    c0e4122ad7718c4c853d56038390a2958297444a4a88f9a773df325c907d6d07

  • SHA512

    5f433844bbd4e8e1f2eb9b2777bd2c568acdddcc87f1ca70d5a18e937a9e5591d3bb3ab4dfe3cc613a12e34fd7b5b5e0dcdbd5b302c7f8107fa79d7bd3846ecf

  • SSDEEP

    1536:hkkkkIwU8OgPJlHTr2jcc0lbxOvTgZH4cY7nJdFoOGIWgt2XKBwu:HPJJ2jcc0lbxOrtpyamu

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\c0e4122ad7718c4c853d56038390a2958297444a4a88f9a773df325c907d6d07.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:1664
    • 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:948
      • C:\Windows\SysWOW64\attrib.exe
        attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
        3⤵
        • Views/modifies file attributes
        PID:1604
    • 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:636
    • 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:1156

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Defense Evasion

Modify Registry

1
T1112

Hidden Files and Directories

1
T1158

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/636-220-0x0000000000000000-mapping.dmp
  • memory/948-219-0x0000000000000000-mapping.dmp
  • memory/1156-221-0x0000000000000000-mapping.dmp
  • memory/1604-222-0x0000000000000000-mapping.dmp
  • memory/1664-76-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-223-0x0000000072C5D000-0x0000000072C68000-memory.dmp
    Filesize

    44KB

  • memory/1664-61-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-79-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-62-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-64-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-63-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-65-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-66-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-67-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-68-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-69-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-71-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-72-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-73-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-74-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-54-0x000000002FDA1000-0x000000002FDA4000-memory.dmp
    Filesize

    12KB

  • memory/1664-78-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-60-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-59-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-81-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-82-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-83-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-85-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-84-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-77-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-75-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-70-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-86-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-87-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-109-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-58-0x0000000076181000-0x0000000076183000-memory.dmp
    Filesize

    8KB

  • memory/1664-57-0x0000000072C5D000-0x0000000072C68000-memory.dmp
    Filesize

    44KB

  • memory/1664-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1664-55-0x0000000071C71000-0x0000000071C73000-memory.dmp
    Filesize

    8KB

  • memory/1664-80-0x00000000001D0000-0x00000000002D0000-memory.dmp
    Filesize

    1024KB

  • memory/1664-385-0x0000000072C5D000-0x0000000072C68000-memory.dmp
    Filesize

    44KB