Analysis

  • max time kernel
    100s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20/07/2024, 07:00

General

  • Target

    $PLUGINSDIR/filebulldog.rtf

  • Size

    49KB

  • MD5

    631f2949e010cec263adefaf4ef669ea

  • SHA1

    7fcbdd13243b97c3fb82d3e4ff919de8e514473c

  • SHA256

    f9daeeb2bf87842cdcfcca7ac228b827c81f692aa55a43fe9d1eaad24790c067

  • SHA512

    048b49e62cde89f082318ef9bc63519fd635b1b0384c84de87d7f2327efec78a07a1e3f11763b72092fd53eae8e5d83ade98d61ef319b4a492d597be4f3f98f1

  • SSDEEP

    384:gNaUnXkFKw0zybd6NgYUlvaH/se494ZZz/m4gnNzhuzY3+lXFL+GK9vi6rGs2AYE:gNqYUlvaH//vDgNzw83jwhAkhe

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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\$PLUGINSDIR\filebulldog.rtf"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2492

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

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

      Filesize

      19KB

      MD5

      3849296ce5d0585cc0a5aa5e2859c9f2

      SHA1

      e571cdb0a29ba4424dd0da1a9748968603475e2f

      SHA256

      23ce6fb50923f1b202f916431a626b1af622c816595fd623df2ee244d9a22b47

      SHA512

      15ee6e19eb9f5698d97d212a6f1dd2a40455798e2e36dadb3b2ac6b8e97f7c8e0f546f2da199274603de11875ebefd05b59908b1b52a53742f7d6e103e9d6d06

    • memory/1496-0-0x000000002F021000-0x000000002F022000-memory.dmp

      Filesize

      4KB

    • memory/1496-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1496-2-0x000000007411D000-0x0000000074128000-memory.dmp

      Filesize

      44KB

    • memory/1496-5-0x000000007411D000-0x0000000074128000-memory.dmp

      Filesize

      44KB

    • memory/1496-23-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB