Analysis

  • max time kernel
    70s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    13-01-2021 16:24

General

  • Target

    0113_1010932681.doc

  • Size

    387KB

  • MD5

    2cf234a33be54ffa5c49f4380e01fdac

  • SHA1

    e7f83e5d90d318368b355b78f4d92c01f9b5def3

  • SHA256

    111a2dc96e082b86a79dd90ec307c977a21c7aee0ddb141d688a17bd65f3661d

  • SHA512

    02ccf1b583ddde4c51abfeaccc1d2fbc741ba826e9f9d6127f64b1df3c50ed3760992fa21812ad7a9cb9cd1b222d0e943753de5a8b412a3a093dc5cef08405e8

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 11 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\0113_1010932681.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:1096
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1784
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Templates\W0rd.dll,DllUnregisterServer
        2⤵
        • Process spawned unexpected child process
        PID:1788

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1096-4-0x0000000001E60000-0x0000000001E61000-memory.dmp

      Filesize

      4KB

    • memory/1784-2-0x0000000000000000-mapping.dmp

    • memory/1788-3-0x0000000000000000-mapping.dmp