Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-02-2024 00:53

General

  • Target

    aa96389495cc5f553c6cb99cc65aa2dd.xls

  • Size

    36KB

  • MD5

    aa96389495cc5f553c6cb99cc65aa2dd

  • SHA1

    009279eb3e8b912318adaba6731c2c37355b4257

  • SHA256

    70a89f7a6edc643b75d777dea2bfffb248d83d4103f7c79ba1ed71614cb6e284

  • SHA512

    665dfc657b1f5a78b96ebedba5d453776ec718ed50a0b49bbebc955edf60d1a6a690574c7ce87a9567fbcda271b86f51ca8b6433676cb2411b303dc95c386682

  • SSDEEP

    768:/PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ2Yt1uYDme3/gN2qvzVE:3ok3hbdlylKsgqopeJBWhZFGkE+cL2NS

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

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

xlm40.dropper

https://skill.fashion/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\aa96389495cc5f553c6cb99cc65aa2dd.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:2248
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\yXWM.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2248-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2248-1-0x0000000071E2D000-0x0000000071E38000-memory.dmp

    Filesize

    44KB

  • memory/2248-2-0x0000000071E2D000-0x0000000071E38000-memory.dmp

    Filesize

    44KB

  • memory/2248-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2248-4-0x0000000071E2D000-0x0000000071E38000-memory.dmp

    Filesize

    44KB