Analysis

  • max time kernel
    103s
  • max time network
    46s
  • 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

    930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b.xls

  • Size

    36KB

  • MD5

    31c0da3948583c2435e599f94b8900c1

  • SHA1

    aee1da09649da6b2124b3efc7a37cb0ece4b05b0

  • SHA256

    930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b

  • SHA512

    ce0979707e3e320e7a86129640daae9d207758d005e15f044198c06e0a9665f260ceee0f205fff376d82570e065436aa032144471d0c14f645b3fa8c5338021c

  • SSDEEP

    768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJhTbDPux7XxGIMgqf+VsY:Cok3hbdlylKsgqopeJBWhZFGkE+cL2Nz

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://statedauto.com/wp-data.php

xlm40.dropper

https://markens.online/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\930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b.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:880
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\yCRU.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1208

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/880-54-0x000000002F821000-0x000000002F824000-memory.dmp
    Filesize

    12KB

  • memory/880-55-0x0000000071D11000-0x0000000071D13000-memory.dmp
    Filesize

    8KB

  • memory/880-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/880-57-0x0000000076871000-0x0000000076873000-memory.dmp
    Filesize

    8KB

  • memory/880-58-0x0000000072CFD000-0x0000000072D08000-memory.dmp
    Filesize

    44KB

  • memory/880-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/880-62-0x0000000072CFD000-0x0000000072D08000-memory.dmp
    Filesize

    44KB

  • memory/1208-59-0x0000000000000000-mapping.dmp