Analysis

  • max time kernel
    131s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 10:05

General

  • Target

    HB I.D Letter.doc

  • Size

    226KB

  • MD5

    aead733e85ac763cd45e7592930db0cb

  • SHA1

    df92f409120f103940df76209b6367018b512b9e

  • SHA256

    e8873f97fde35eedb0789d53e54eab443abf1dfe86c70283e46678e48e809695

  • SHA512

    ad861c1f1dfcd75d52eaa549e6844cc44b7c10c9c22fa5717d8e2d05a80bc8a23300d5f1eb5d56585e43976e75d0e0d9a586e6cd5717eb6b5a0e077d1cc895df

  • SSDEEP

    6144:N+okR5XNmxjsUTXJn7b953Kj7XTvrg0y:N2ItsUjl78r1y

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\HB I.D Letter.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:900
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:744

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/744-59-0x0000000000000000-mapping.dmp
    • memory/744-60-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmp
      Filesize

      8KB

    • memory/900-54-0x0000000072661000-0x0000000072664000-memory.dmp
      Filesize

      12KB

    • memory/900-55-0x00000000700E1000-0x00000000700E3000-memory.dmp
      Filesize

      8KB

    • memory/900-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/900-57-0x00000000762D1000-0x00000000762D3000-memory.dmp
      Filesize

      8KB

    • memory/900-58-0x00000000710CD000-0x00000000710D8000-memory.dmp
      Filesize

      44KB

    • memory/900-61-0x00000000710CD000-0x00000000710D8000-memory.dmp
      Filesize

      44KB