Analysis

  • max time kernel
    76s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    07-05-2021 12:46

General

  • Target

    45c88d752c7ce1703b069be32f78a3a0d06603263bdefb53de5f6f27356fe438.bin.doc

  • Size

    75KB

  • MD5

    417ae0e40fc23ba506bd291fff6548c7

  • SHA1

    e05f68d6e52003cbcac584c7b8e12c90fb55a595

  • SHA256

    45c88d752c7ce1703b069be32f78a3a0d06603263bdefb53de5f6f27356fe438

  • SHA512

    13130a49b547d87dfe43152c8e0241e4e30b0aa6ebbcdbf1b503df1c5eec627e21c383960b135a4c5e39531aab426c71de3066889a402b52b26d1927d14d03a5

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 9 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 18 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\45c88d752c7ce1703b069be32f78a3a0d06603263bdefb53de5f6f27356fe438.bin.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:792
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:964
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /Automation -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:1216

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\MSO1033.acl
      MD5

      2815244f1602ca19777c4343d9795659

      SHA1

      b675d8a1279712724c43a3313ac7894620c8c521

      SHA256

      a7331d2e81e499d61da0356e210e8355b3471842f782709b2377f5fa77bbfae3

      SHA512

      c84cb5e6ed83012327de2c7797633352888038dca24e88450d13e0b7a5765e7672bbae9922f4e970142c3864484357294512f17578e86ef2f75fa0b4596a9ee9

    • memory/792-60-0x0000000072071000-0x0000000072074000-memory.dmp
      Filesize

      12KB

    • memory/792-61-0x000000006FAF1000-0x000000006FAF3000-memory.dmp
      Filesize

      8KB

    • memory/792-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/792-63-0x0000000005DA0000-0x00000000069EA000-memory.dmp
      Filesize

      12.3MB

    • memory/964-68-0x0000000000000000-mapping.dmp
    • memory/964-69-0x000007FEFB561000-0x000007FEFB563000-memory.dmp
      Filesize

      8KB