Analysis

  • max time kernel
    114s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 23:40

General

  • Target

    ce42f76b779f821e796a9d26c1178043d38320894dc8f5c1ff4021a5c8932152.doc

  • Size

    55KB

  • MD5

    de82daf570f05f4ec94a3d1f9f31e174

  • SHA1

    f2f6394370c6d2fb8d82463a1200b5fbb76c9b7b

  • SHA256

    ce42f76b779f821e796a9d26c1178043d38320894dc8f5c1ff4021a5c8932152

  • SHA512

    d6a79c48304805b6bba56cad7d5df4b06c1c9eec7be66ab7771177e08b0a8e85c7938ddd62c4ee769f292dcf2b189ff0c1926867d559b470a3a86df1369cfdd5

  • SSDEEP

    384:KxIVGZUW7FjiSHuT7UZi6mvdPNZ58Bomif9GYjfXlEu50dV6fV/rqgSepwGtjTgV:K+wUd7UoPRZTl6ofV/z/PTgOhrcR

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 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\ce42f76b779f821e796a9d26c1178043d38320894dc8f5c1ff4021a5c8932152.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1860

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1088-69-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-57-0x0000000074D61000-0x0000000074D63000-memory.dmp
      Filesize

      8KB

    • memory/1088-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1088-79-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-58-0x0000000070D5D000-0x0000000070D68000-memory.dmp
      Filesize

      44KB

    • memory/1088-80-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-60-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-59-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-62-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-63-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-64-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-66-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-65-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-67-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-68-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-70-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-99-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1088-55-0x000000006FD71000-0x000000006FD73000-memory.dmp
      Filesize

      8KB

    • memory/1088-61-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-82-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-81-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-78-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-77-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-76-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-75-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-74-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-73-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-72-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-71-0x000000000082A000-0x0000000000832000-memory.dmp
      Filesize

      32KB

    • memory/1088-89-0x0000000000832000-0x0000000000836000-memory.dmp
      Filesize

      16KB

    • memory/1088-96-0x0000000070D5D000-0x0000000070D68000-memory.dmp
      Filesize

      44KB

    • memory/1088-100-0x0000000070D5D000-0x0000000070D68000-memory.dmp
      Filesize

      44KB

    • memory/1088-54-0x00000000722F1000-0x00000000722F4000-memory.dmp
      Filesize

      12KB

    • memory/1860-98-0x000007FEFB801000-0x000007FEFB803000-memory.dmp
      Filesize

      8KB

    • memory/1860-97-0x0000000000000000-mapping.dmp