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Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/11/2024, 21:38

General

  • Target

    69df28d8d6fe5462f43d6220a7fd1550b05bf678e63edb53e72c2a80b2117eb0.xls

  • Size

    47KB

  • MD5

    569282d3f4b16dbbf8f08fecb4ed1238

  • SHA1

    a68f628dd386eb91153094039747e539559a9354

  • SHA256

    69df28d8d6fe5462f43d6220a7fd1550b05bf678e63edb53e72c2a80b2117eb0

  • SHA512

    a88773aed711b960c491411995639acbd3b0e49dadfa28e12701915eb723bfd1f277bb8f6e1f47c0a713d16f300abbeef7d41ea866ccceece10495ba8e499455

  • SSDEEP

    768:4DM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JT5X6DGwUdh+pqjeSLjcvLtzrxFG:462tfQXi8vgLZkTOHkQT51Vp6AwPe8gT

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.escueladecinemza.com.ar/_installation/IBlj/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\69df28d8d6fe5462f43d6220a7fd1550b05bf678e63edb53e72c2a80b2117eb0.xls
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe ..\wnrul.ocx
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      PID:1240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wnrul.ocx

    Filesize

    86KB

    MD5

    3ffd9a2715e478a2442c309536507f93

    SHA1

    1d3a2db3cf0e80f972084f0d83adbf7f77578f75

    SHA256

    35e3dd8043744d5c6ea3f008188d397312d355ada64cbed3b2c641daf28f5ae3

    SHA512

    311c4b871903a69053910b65e01285d181659d1117d9e5332c12ad801a3d9f5087ae7ae9ecfe507121126205bcb5b40debfc6589715b8ccfed6e8e7cfe6317b9

  • memory/2772-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2772-1-0x000000007243D000-0x0000000072448000-memory.dmp

    Filesize

    44KB

  • memory/2772-23-0x000000007243D000-0x0000000072448000-memory.dmp

    Filesize

    44KB