Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2024, 20:05

General

  • Target
    IoC/SHIPPING DOCUMENTS.rtf
  • Size 11KB
  • Sample241121-yvb7da1jdp
  • SHA256 2bdc496ee0f65d05fb5b38dcfc25abaf3eb19b8922884156eea0cf8880c2b8d4
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\IoC\SHIPPING DOCUMENTS.rtf"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2588
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      • Launches Equation Editor
      PID:2500

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          memory/1812-0-0x000000002F7F1000-0x000000002F7F2000-memory.dmp

          memory/1812-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1812-2-0x00000000716BD000-0x00000000716C8000-memory.dmp

          memory/1812-4-0x00000000716BD000-0x00000000716C8000-memory.dmp