Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2023 06:43

General

  • Target

    Sirishak.NET(Resume). (3).doc

  • Size

    136KB

  • MD5

    b686e92241f4b70c16b2ca99831794e3

  • SHA1

    ec87ec62fb57bb6ac23e8d8ce336c0f781895649

  • SHA256

    25e48e16c30bcd004583ce8efebc95ab732f81538b622ef056295514c7a5656a

  • SHA512

    e212e34d5620e7dc03a641695f35bac01da0489ac930d000f9e752ec0ab98ddae98151c0d859e1d89a743985298c87a90f29b5edf54a57f8e6337a208909988d

  • SSDEEP

    1536:ItaDMRVNx3mOkx3/VtMmG29fqu7zA9/8GDAlHX0+DQtSxrt/skogUot/gUEAkYUP:IawRVN43RV9Git6I

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\Sirishak.NET(Resume). (3).doc"
    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:892
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1764

    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

      31d8b314c3af4bd80f9a8de3eec55200

      SHA1

      3e8f2b667f9894f7e6e367baf8a3c9f747f2a691

      SHA256

      749016c0de7c77076875ba3ede9dc3266d0745e36e53a6d6cccffb84f3aaab48

      SHA512

      296bc3f7c80b68bbe8fec951c78c17d6759f7995937fbab708a68a564afccacff51461d7bc517fc4f5db8bec9538a6744d97e4043fcf613f7f2faf350a71ce64

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN4009.lex
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/892-0-0x000000002FF81000-0x000000002FF82000-memory.dmp
      Filesize

      4KB

    • memory/892-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/892-2-0x0000000070FED000-0x0000000070FF8000-memory.dmp
      Filesize

      44KB

    • memory/892-50-0x0000000070FED000-0x0000000070FF8000-memory.dmp
      Filesize

      44KB

    • memory/892-68-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/892-69-0x0000000070FED000-0x0000000070FF8000-memory.dmp
      Filesize

      44KB