Analysis

  • max time kernel
    101s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:22

General

  • Target

    3e61b6a9697c209952342ac1118fdc9492f06b515b54337cf3583816e91667ad.xls

  • Size

    36KB

  • MD5

    7be7a30a9f9800ae8d6dffd95e773f27

  • SHA1

    15b8cd577e3663274754fc3dc0899bc4828a0933

  • SHA256

    3e61b6a9697c209952342ac1118fdc9492f06b515b54337cf3583816e91667ad

  • SHA512

    3358b572ea236c69f9afb69003a9125cee2b461bc96699c9e7e778fabdd25b0b73bebac3b1425f4f9821dd0253d4d40e6172b4aec5f7b67233b72918e3ceaa79

  • SSDEEP

    768:9PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ8yRc8lI2DBTjEc+:1ok3hbdlylKsgqopeJBWhZFGkE+cL2Nx

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
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\3e61b6a9697c209952342ac1118fdc9492f06b515b54337cf3583816e91667ad.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:1656
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\VY62Qnv.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1536

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/1536-60-0x0000000000000000-mapping.dmp
  • memory/1656-54-0x000000002F401000-0x000000002F404000-memory.dmp
    Filesize

    12KB

  • memory/1656-55-0x0000000070FF1000-0x0000000070FF3000-memory.dmp
    Filesize

    8KB

  • memory/1656-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1656-57-0x0000000071FDD000-0x0000000071FE8000-memory.dmp
    Filesize

    44KB

  • memory/1656-58-0x0000000074D61000-0x0000000074D63000-memory.dmp
    Filesize

    8KB

  • memory/1656-59-0x0000000071FDD000-0x0000000071FE8000-memory.dmp
    Filesize

    44KB

  • memory/1656-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1656-63-0x0000000071FDD000-0x0000000071FE8000-memory.dmp
    Filesize

    44KB