Analysis

  • max time kernel
    345s
  • max time network
    350s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 18:39

General

  • Target

    invisible_shields.docm

  • Size

    264KB

  • MD5

    a219cb562f2365f2899410772193a74a

  • SHA1

    136709ca3f9ba4646f59d40ffd892b4a51b452bb

  • SHA256

    43fd8d207da16fd3acff874b90819272a8fb0ac1c81c4fcb7a37e2caad345829

  • SHA512

    e2ab830b7bdcdc1099413e78050d86610fa82766bc87319398196a6797caf10158d83981b98fda50367dd846c2d6d87519a52daa566312031d078ccd9817693b

  • SSDEEP

    6144:/xE0cCW+Gai6zM6oPeek5qqaeLeqNwBIXmRthL:/xp/ziEMPPW5qGwaWHhL

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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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\invisible_shields.docm"
    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:1696
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1720
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1996
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x530
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1504
      • C:\Windows\explorer.exe
        "C:\Windows\explorer.exe"
        1⤵
          PID:2004

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Defense Evasion

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1696-54-0x0000000072DE1000-0x0000000072DE4000-memory.dmp
          Filesize

          12KB

        • memory/1696-55-0x0000000070861000-0x0000000070863000-memory.dmp
          Filesize

          8KB

        • memory/1696-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Filesize

          64KB

        • memory/1696-57-0x00000000766D1000-0x00000000766D3000-memory.dmp
          Filesize

          8KB

        • memory/1696-59-0x000000007184D000-0x0000000071858000-memory.dmp
          Filesize

          44KB

        • memory/1696-61-0x000000007184D000-0x0000000071858000-memory.dmp
          Filesize

          44KB

        • memory/1696-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Filesize

          64KB

        • memory/1696-63-0x000000007184D000-0x0000000071858000-memory.dmp
          Filesize

          44KB

        • memory/1720-58-0x0000000000000000-mapping.dmp
        • memory/1720-60-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp
          Filesize

          8KB