Analysis

  • max time kernel
    104s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2023 19:11

General

  • Target

    DHl_2023010299265.docx

  • Size

    10KB

  • MD5

    c92bed4ca1a4428baabe335ba9fc4441

  • SHA1

    d50f0aa002a4c0d9e490795821608e751f896be4

  • SHA256

    5a2f8b1052c24cc34202efc22389306a559a0ec6f59dbfb572a39b48924e68d5

  • SHA512

    8c83914a33f19dc81e860b3f2f862b033ccc46215bb09dfcb4e88e84d0c10ebd4b50364f60b0ca2ecece7dcff48dafe84bf69f06e6d4d9a7e19e24a45abf847d

  • SSDEEP

    192:ScIMmtP5hG/b7XN+eO1GLmUO+5+5F7Jar/YEChI3tN:SPXRE7XtO1GLf7wtar/YECOT

Score
7/10

Malware Config

Signatures

  • Abuses OpenXML format to download file from external location 2 IoCs
  • 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
  • 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\DHl_2023010299265.docx"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:364

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/364-60-0x0000000000000000-mapping.dmp
    • memory/364-61-0x000007FEFBE91000-0x000007FEFBE93000-memory.dmp
      Filesize

      8KB

    • memory/1144-54-0x00000000729A1000-0x00000000729A4000-memory.dmp
      Filesize

      12KB

    • memory/1144-55-0x0000000070421000-0x0000000070423000-memory.dmp
      Filesize

      8KB

    • memory/1144-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1144-57-0x0000000076041000-0x0000000076043000-memory.dmp
      Filesize

      8KB

    • memory/1144-58-0x000000007140D000-0x0000000071418000-memory.dmp
      Filesize

      44KB

    • memory/1144-59-0x000000007140D000-0x0000000071418000-memory.dmp
      Filesize

      44KB

    • memory/1144-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1144-63-0x000000007140D000-0x0000000071418000-memory.dmp
      Filesize

      44KB