Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-02-2024 13:40

General

  • Target

    ac03a2d9b008d75a4d5781ba90d6ab75.xls

  • Size

    36KB

  • MD5

    ac03a2d9b008d75a4d5781ba90d6ab75

  • SHA1

    043f1af8805ea0cb21c958d1535b87a3fb195c0a

  • SHA256

    aca489f0fc8955260e4fb24aacc59a261891fd40e0fbcfcc3be9cc651b8035eb

  • SHA512

    817556ad5eb6e876ce789d5e8f52f9e68ca70e5778ce08e094e7a3ba1ad545521005f38cbd627c56e961bd533d12e4b99ef5b3c3d86e4aede3de9292090f69f2

  • SSDEEP

    768:2PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJKdJFIAxh7usSLVN:Kok3hbdlylKsgqopeJBWhZFGkE+cL2N0

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\ac03a2d9b008d75a4d5781ba90d6ab75.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:2336
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\v7TNDoy.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2336-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2336-1-0x000000007219D000-0x00000000721A8000-memory.dmp

    Filesize

    44KB

  • memory/2336-2-0x000000007219D000-0x00000000721A8000-memory.dmp

    Filesize

    44KB

  • memory/2336-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2336-4-0x000000007219D000-0x00000000721A8000-memory.dmp

    Filesize

    44KB