Analysis

  • max time kernel
    114s
  • max time network
    85s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    09-02-2023 09:17

General

  • Target

    RFQ 213.docx

  • Size

    10KB

  • MD5

    d857a5a515e5221f28ff63a350a56358

  • SHA1

    138129e241cd6d40386a5e31ab156e21c16ae5e4

  • SHA256

    6ac8d00d9effe1d0d2959a343a1a2216c467c24011f56d6a438983efe5e3432c

  • SHA512

    b0f1ba7666b0b27e9f96edd53e0b2173e4bf46e4ad353dcdf3af0e63ef8d9aac6c04760ee604bdb5975c3b2711ca51d2b878a28433532f0e8565ad23196fd966

  • SSDEEP

    192:ScIMmtP5hG/b7XN+eOihO+5+5F7Jar/YEChI3ON:SPXRE7XtOih7wtar/YECOe

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\RFQ 213.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:1536
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1740

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1536-54-0x0000000072131000-0x0000000072134000-memory.dmp
      Filesize

      12KB

    • memory/1536-55-0x000000006FBB1000-0x000000006FBB3000-memory.dmp
      Filesize

      8KB

    • memory/1536-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1536-57-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB

    • memory/1536-58-0x0000000075A31000-0x0000000075A33000-memory.dmp
      Filesize

      8KB

    • memory/1536-59-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB

    • memory/1536-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1536-63-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB

    • memory/1740-60-0x0000000000000000-mapping.dmp
    • memory/1740-61-0x000007FEFB641000-0x000007FEFB643000-memory.dmp
      Filesize

      8KB