Analysis

  • max time kernel
    64s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-05-2021 23:21

General

  • Target

    195da70ca3b180a103ea4196b9e0202bcb13fd65f97d57f98f166441a531b35d.doc

  • Size

    76KB

  • MD5

    de918ed839a66def796216f7a9f06e5e

  • SHA1

    2bff3c70feee4a1fea26e8cb070a09bf179f796b

  • SHA256

    195da70ca3b180a103ea4196b9e0202bcb13fd65f97d57f98f166441a531b35d

  • SHA512

    2689c25fea1b8228f3da775083c89b372351dc4b25858b58d4be63501c76824b0dec53395041157ab978e2fb7eea539e8aa82e5efd0bc5f2ebae2aedd63f9575

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\195da70ca3b180a103ea4196b9e0202bcb13fd65f97d57f98f166441a531b35d.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:1632
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:340
    • 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:1992

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      MD5

      b0933d0a6100e1181f884ba94a27fb23

      SHA1

      d61069eca870018aed8ff7264ef3404d1018d53d

      SHA256

      a61baf23f3acf1ecf33ecb5401585874b101cdcde350fb729f9c9ad29f129dd9

      SHA512

      5f0c0fefa349da9a1f6b12b0b1c2dd0b0cbd878991fe38b34992b7aa9af042cb4662c7f797d1c496041627b90e29ac89c260200eccc1e6acb09197ffd233c723

    • memory/340-68-0x0000000000000000-mapping.dmp

    • memory/340-69-0x000007FEFC031000-0x000007FEFC033000-memory.dmp

      Filesize

      8KB

    • memory/1632-60-0x0000000072B31000-0x0000000072B34000-memory.dmp

      Filesize

      12KB

    • memory/1632-61-0x00000000705B1000-0x00000000705B3000-memory.dmp

      Filesize

      8KB

    • memory/1632-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1632-67-0x0000000005E80000-0x0000000006ACA000-memory.dmp

      Filesize

      12.3MB

    • memory/1992-70-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB