Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-02-2024 07:38

General

  • Target

    asar/linux安装asar文件解压打包组件.docx

  • Size

    16KB

  • MD5

    973a163e8cb4d6c4da477dd6e6b78063

  • SHA1

    c25cdc29859d0131971c5122bc5de1ff6b64e5f6

  • SHA256

    e58679811fe06fd16642942a8f61b77eb8c5f3efcee7396ec5e41b77da46d7dd

  • SHA512

    c897f7bd124053118063d8a28a71b2ee2e4245d9726d63176541921eb415a9dfecda195260d11b2f4cf91fab428a97faa62cbd347c1dff82dc012c3739f19743

  • SSDEEP

    192:jhvAkoUR7fznSqqi6+zxFgbET6sjbnlJ1jtyQDubjya4LOrgDBIwMIT1TkRiW:d7bRnnzqi6q2oTjjlwQDubmxqgFSpRiW

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 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\asar\linux安装asar文件解压打包组件.docx"
    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:2204
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2356

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      53d57362f294ad1beb483dbb2a520a87

      SHA1

      7e33d7f709d182dd2f77bb1e8b2341995a28b287

      SHA256

      532d1a66a82bcee4086785bb924f5909422b5060d8d2deca0e28fdd7136fccfe

      SHA512

      a9014876280422c7555c5788f44a977b26f157e072901a521fe08bae9a3f5d06c4e5cc60a6583a8d74c2afd49516145000954fe6cec783004062a74ae95e6b4a

    • memory/2204-0-0x000000002F171000-0x000000002F172000-memory.dmp
      Filesize

      4KB

    • memory/2204-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2204-2-0x00000000711AD000-0x00000000711B8000-memory.dmp
      Filesize

      44KB

    • memory/2204-14-0x00000000711AD000-0x00000000711B8000-memory.dmp
      Filesize

      44KB

    • memory/2204-35-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB