Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:37

General

  • Target

    6de0bccb82b612d4cbbaf0eecff25828665f68f8e4d284021e9b3a6cfe714673.rtf

  • Size

    330KB

  • MD5

    06f4b0c54a00ba23b3f8fdbd87589b11

  • SHA1

    000f183198440b3a3f43e2321aee7b068b8a30c4

  • SHA256

    6de0bccb82b612d4cbbaf0eecff25828665f68f8e4d284021e9b3a6cfe714673

  • SHA512

    c296ba49664b82a14b1954a65fff6396aeb3243c9c4d0b81b461e12ec9290c2fac4e726fcf7210346528656115c8fc0e1c4e7ffd55475008051ec09931d986cc

  • SSDEEP

    6144:zwAYwAYwAYwAYwAYwAYwAYwAYwAYwASMQgu:z

Score
8/10

Malware Config

Signatures

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

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • 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\6de0bccb82b612d4cbbaf0eecff25828665f68f8e4d284021e9b3a6cfe714673.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2632
    • 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
      • Launches Equation Editor
      PID:2740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      fe9c73ce853033133df74941bf136254

      SHA1

      dc1d95dcfb1ee071b7c32e2076231b4e2ac89a24

      SHA256

      1baf8e0e879c6312b93601b8c0d06e715131c5d07dbbaa231d2e01720cc0987e

      SHA512

      e17fc910eafb625206e247bd730d608ec314c57cc53315faac8beeb850f737d5a6a20902e41137da3d2764e5206bd2b1b76fbb6a10a9760112f6b41ecfcdd7f4

    • memory/2112-0-0x000000002FC91000-0x000000002FC92000-memory.dmp

      Filesize

      4KB

    • memory/2112-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2112-2-0x000000007141D000-0x0000000071428000-memory.dmp

      Filesize

      44KB

    • memory/2112-26-0x000000007141D000-0x0000000071428000-memory.dmp

      Filesize

      44KB

    • memory/2112-47-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB