Analysis

  • max time kernel
    150s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04/03/2021, 17:13

General

  • Target

    0304_56958375050481.doc

  • Size

    743KB

  • MD5

    7ba91fe733a2b27af2c602525151305d

  • SHA1

    0c4f2f591db5e0bd0ce580649582f818a9da5179

  • SHA256

    e9e50934dd76164022730125fc00cbe2467afd6e234d2c4873273d4bc6acafe8

  • SHA512

    9d524efdcb0744e3a8b3bf13b234d8e9f595354ad3d143177e2da3ad9248122d403d596e38fa5055150eecc5866257c2f90bf6fdb9309acd5c67321b480ca4aa

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
  • 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\0304_56958375050481.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1788
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,MUSWRRVXHJV
        2⤵
        • Process spawned unexpected child process
        PID:1796

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1788-6-0x000007FEFC021000-0x000007FEFC023000-memory.dmp

            Filesize

            8KB

          • memory/1796-8-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

            Filesize

            8KB

          • memory/1924-2-0x0000000072B21000-0x0000000072B24000-memory.dmp

            Filesize

            12KB

          • memory/1924-3-0x00000000705A1000-0x00000000705A3000-memory.dmp

            Filesize

            8KB

          • memory/1924-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB