Analysis

  • max time kernel
    105s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2022 11:27

General

  • Target

    PO1271511.docx

  • Size

    10KB

  • MD5

    f0d09698d2e786de717b2eded65325e0

  • SHA1

    c998d786b899ba735bc0ab2d7d448204ef09323d

  • SHA256

    7caa4150173e63635ad827d506cb57d0ef5787f5a62be18578614ae96e47bc8d

  • SHA512

    f0761c48ed2959ba079a13083cf9e241e3b85ff4d01462e9c7e6d826f0a99c4e00d5a9071bb7a790cdd005774d20831525e812a64cae1605707a17f0f0c26ebe

  • SSDEEP

    192:ScIMmtP8ar5G/bfIdTOfnamWBX8ex6y3E7N:SPXt4ATOfnosMEZ

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\PO1271511.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:1368
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1188

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1188-59-0x0000000000000000-mapping.dmp
    • memory/1188-60-0x000007FEFB641000-0x000007FEFB643000-memory.dmp
      Filesize

      8KB

    • memory/1368-54-0x0000000072131000-0x0000000072134000-memory.dmp
      Filesize

      12KB

    • memory/1368-55-0x000000006FBB1000-0x000000006FBB3000-memory.dmp
      Filesize

      8KB

    • memory/1368-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1368-57-0x0000000074E41000-0x0000000074E43000-memory.dmp
      Filesize

      8KB

    • memory/1368-58-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB

    • memory/1368-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1368-62-0x0000000070B9D000-0x0000000070BA8000-memory.dmp
      Filesize

      44KB