Analysis

  • max time kernel
    106s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 18:06

General

  • Target

    otxnow.dotx

  • Size

    180KB

  • MD5

    7a9276d0f59d6fe7cf6f85a3bdec633e

  • SHA1

    d9c3f2c90a8fd04964d885377c3e165bda664003

  • SHA256

    bfb0f18485124995d40294ed8cd3f2c74ec4ff40aecd9b7507a8b03d09bf98a6

  • SHA512

    e65b120fadde96528a17c31a54e574a9cb6314dc1fc5a903daf94c241150c7d32510617b583e2ec761410f3273b85a3c656a13853585490fcd8b2dcdba0d9e41

  • SSDEEP

    3072:u7D/xA9vNU69piDDxr45O4ALFWa6FD7r1inEnBKh+4PEPAmFVq6jw9VgF:gDpyRiDZ4Y4udeP1inQhiE4mrqD9Vk

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\otxnow.dotx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:856

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/856-60-0x0000000000000000-mapping.dmp

    • memory/856-61-0x000007FEFB9E1000-0x000007FEFB9E3000-memory.dmp

      Filesize

      8KB

    • memory/1416-54-0x00000000724D1000-0x00000000724D4000-memory.dmp

      Filesize

      12KB

    • memory/1416-55-0x000000006FF51000-0x000000006FF53000-memory.dmp

      Filesize

      8KB

    • memory/1416-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1416-57-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

      Filesize

      8KB

    • memory/1416-58-0x0000000070F3D000-0x0000000070F48000-memory.dmp

      Filesize

      44KB

    • memory/1416-59-0x0000000070F3D000-0x0000000070F48000-memory.dmp

      Filesize

      44KB

    • memory/1416-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1416-63-0x0000000070F3D000-0x0000000070F48000-memory.dmp

      Filesize

      44KB