Analysis

  • max time kernel
    126s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    9306c660275a9b5fa6d111994ee81872475c0ccbc670c15cabc6184ca43f5936.xls

  • Size

    36KB

  • MD5

    dfda816278baf9c22519c27fa4125615

  • SHA1

    be939a376053a22399eee038e3a8eb070a879dac

  • SHA256

    9306c660275a9b5fa6d111994ee81872475c0ccbc670c15cabc6184ca43f5936

  • SHA512

    5e0dec32f2fb857bc79351a03e6da7d9b2c3d6eba573af6329f851f9a6e703b3d22c55ea495e79659e2f04035dda97be6cb3f5c4f7c457a5e90e4d241294b56b

  • SSDEEP

    768:5PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJXwcRn1k+FL:Rok3hbdlylKsgqopeJBWhZFGkE+cL2No

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://skill.fashion/wp-data.php

xlm40.dropper

https://syracuse.best/wp-data.php

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 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\9306c660275a9b5fa6d111994ee81872475c0ccbc670c15cabc6184ca43f5936.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\lfZ.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1092

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1092-60-0x0000000000000000-mapping.dmp
  • memory/2040-54-0x000000002F661000-0x000000002F664000-memory.dmp
    Filesize

    12KB

  • memory/2040-55-0x0000000071C11000-0x0000000071C13000-memory.dmp
    Filesize

    8KB

  • memory/2040-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2040-57-0x0000000072BFD000-0x0000000072C08000-memory.dmp
    Filesize

    44KB

  • memory/2040-58-0x00000000762F1000-0x00000000762F3000-memory.dmp
    Filesize

    8KB

  • memory/2040-59-0x0000000072BFD000-0x0000000072C08000-memory.dmp
    Filesize

    44KB

  • memory/2040-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2040-63-0x0000000072BFD000-0x0000000072C08000-memory.dmp
    Filesize

    44KB