Analysis

  • max time kernel
    106s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 12:22

General

  • Target

    abf23ed0a0e8c914be2306c5b9f00c69d2dd04c3204a96b6300255e7af5c439d.doc

  • Size

    195KB

  • MD5

    07523de32e43f67b1bbd5edc87803d5c

  • SHA1

    75716b230b3c2b61f1d1d57b8402df0ca9ba0bf2

  • SHA256

    abf23ed0a0e8c914be2306c5b9f00c69d2dd04c3204a96b6300255e7af5c439d

  • SHA512

    98d48dac83e8c5c4522f084edf2c57389c0346307be453b57ea680fc92c7c86b9e0e060dd1940e2f59ee40973fe5ef1bc8a153fe98721ea06809371ab29f54ba

  • SSDEEP

    6144:f6bftnhtVSWC498JzP7HsqakRTfcF+2x:CnhtVEgwzP7HzHfeJx

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\abf23ed0a0e8c914be2306c5b9f00c69d2dd04c3204a96b6300255e7af5c439d.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:1752
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1092

    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/1092-80-0x0000000000000000-mapping.dmp
    • memory/1092-81-0x000007FEFB7F1000-0x000007FEFB7F3000-memory.dmp
      Filesize

      8KB

    • memory/1752-68-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-55-0x000000006FBC1000-0x000000006FBC3000-memory.dmp
      Filesize

      8KB

    • memory/1752-58-0x0000000070BAD000-0x0000000070BB8000-memory.dmp
      Filesize

      44KB

    • memory/1752-59-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-60-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-61-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-62-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-63-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-64-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-65-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-66-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-67-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-83-0x0000000070BAD000-0x0000000070BB8000-memory.dmp
      Filesize

      44KB

    • memory/1752-57-0x0000000075111000-0x0000000075113000-memory.dmp
      Filesize

      8KB

    • memory/1752-74-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-71-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-72-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-73-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-70-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-78-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-77-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-76-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-75-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-79-0x0000000070BAD000-0x0000000070BB8000-memory.dmp
      Filesize

      44KB

    • memory/1752-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1752-69-0x00000000006BD000-0x00000000006C1000-memory.dmp
      Filesize

      16KB

    • memory/1752-82-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1752-54-0x0000000072141000-0x0000000072144000-memory.dmp
      Filesize

      12KB