Resubmissions

14-03-2023 10:08

230314-l6fbyseg54 8

14-03-2023 10:02

230314-l2766sgg51 10

Analysis

  • max time kernel
    83s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2023 10:08

General

  • Target

    form.doc

  • Size

    533.3MB

  • MD5

    3c34e353986f6a94f20e081132736c43

  • SHA1

    116c23c50f372567952281ba78caba51862707d1

  • SHA256

    1f7ad39b9afd918270f59f92763d127334c09b61a18ba71443e7e4db64f066a3

  • SHA512

    3957cc11d142732f759196f5cd392f2a58674911bd0ab567c39dfca43a6a9ea273690b41675804b89788dfc150ae00f41df2d1e7c4bb6433e61b7c58169bfea3

  • SSDEEP

    6144:1620tqUx3Xu+7ZkRIDNGi9a0Va5UAClo:1620tqm3+I2ezcz5U3lo

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
  • Script User-Agent 7 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\form.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:1656
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1896

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1656-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1656-57-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-58-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-59-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-60-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-62-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-61-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-63-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-65-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-64-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-68-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-70-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-69-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-71-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-76-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-80-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-81-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-79-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-78-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-77-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-75-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-74-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-73-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-72-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-67-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-66-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-83-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-87-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-88-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-90-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-92-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-94-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-95-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-97-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-98-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-99-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-100-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-96-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-101-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-93-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-102-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-91-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-89-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-86-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-84-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-104-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-85-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB

    • memory/1656-82-0x00000000005A0000-0x00000000006A0000-memory.dmp
      Filesize

      1024KB