Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 20:56

General

  • Target

    0e39b2732bd024426716a13885a0c2572a8a9fa7bf6466dc865dd7466a0a8fdf.rtf

  • Size

    34KB

  • MD5

    7ffa7a0c72171e4c6544c9629a2e11d6

  • SHA1

    b9469ae463c1d9dff2d12bc132afdd052bc67805

  • SHA256

    0e39b2732bd024426716a13885a0c2572a8a9fa7bf6466dc865dd7466a0a8fdf

  • SHA512

    23013f991d4fb3e2472a44b11f7d063e98c505dfaf37d6f8bb220bcec11b1fd8e2e84e928b603056907df6ff69c1ba7e51a5f9a0949f47ec9cf30a82facc4b9d

  • SSDEEP

    384:DdLBx2rL5ro2BvKrOVWFz4YBfQw9rF9VQQK3rLRjWCMqfmV9TUZYDAFrkzu:fx23q2qFMY5Q65UblCDUZfSzu

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\0e39b2732bd024426716a13885a0c2572a8a9fa7bf6466dc865dd7466a0a8fdf.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:2256
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1916
    • 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:2716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      e41448d77cdfda8bbea200725bf7feb8

      SHA1

      e39bcd061a94d84a46c714cd86357a9e4cf5b8d0

      SHA256

      bb4abb41b10b33ed9426df5a877edf780067d04305a9b70e76e656a6fe8705f1

      SHA512

      cfbe1bce98e55f9204bee3814f5832b13375a9faeb4d38084ad1114115868f54df3e698b30c30a8c34383f0df61ab4037190fecd4ebd3e3e2334168e5fdd8a00

    • memory/2256-0-0x000000002F241000-0x000000002F242000-memory.dmp

      Filesize

      4KB

    • memory/2256-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2256-2-0x000000007101D000-0x0000000071028000-memory.dmp

      Filesize

      44KB

    • memory/2256-5-0x000000007101D000-0x0000000071028000-memory.dmp

      Filesize

      44KB

    • memory/2256-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2256-30-0x000000007101D000-0x0000000071028000-memory.dmp

      Filesize

      44KB