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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2023, 13:29

General

  • Target

    b8b1f3adc0f675a882a0c90c94f82a09.doc

  • Size

    108KB

  • MD5

    b8b1f3adc0f675a882a0c90c94f82a09

  • SHA1

    56efabb99dd9d36533dfe4ce639e999ef27bab70

  • SHA256

    b0b550b91beb480ff953d293f2457bd085e8bd22d7f1431b5fd68954063325b9

  • SHA512

    c03892727c4322ecadd91bce779ee14acf04a7f1a73a54b24dc5b2c07d6c75dcbfceded5dd6e80c630136a144e9526dea6a8382dddf2e64b924586bc3a81036b

  • SSDEEP

    1536:2kEO6A/AGMXXA8oRN921St+TlcxtFDHskDDY3:L/AGMXwXNS

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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\b8b1f3adc0f675a882a0c90c94f82a09.doc"
    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:1704
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      20KB

      MD5

      fe047542170564a8553a3785f8f82261

      SHA1

      1303525ce2efa5d1ebd50b22ebd0e85ca1880aa6

      SHA256

      47145869af06760aed3473be8923e02b446658ce35b4f19d7499038aa7960362

      SHA512

      359b5174e74d4681c18520784a9c44381a3fff783177ef9b15b5ec7380863b8d7d5cdb802a4e184501e8bc2ad62d91b2a756235efe38d70f013037d192b453d8

    • memory/1704-0-0x000000002F5C1000-0x000000002F5C2000-memory.dmp

      Filesize

      4KB

    • memory/1704-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1704-2-0x00000000716AD000-0x00000000716B8000-memory.dmp

      Filesize

      44KB

    • memory/1704-11-0x00000000716AD000-0x00000000716B8000-memory.dmp

      Filesize

      44KB

    • memory/1704-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1704-30-0x00000000716AD000-0x00000000716B8000-memory.dmp

      Filesize

      44KB