Analysis

  • max time kernel
    102s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2023 15:36

General

  • Target

    =?utf-8?B?6YeN6KaB6KGlLui0tOmAmuefpS5kb2N4?=.docx

  • Size

    56KB

  • MD5

    ce22098c053b0afe4640a4b73ba7bf57

  • SHA1

    17566c811426f509ef2fe23d5b66de187fd9296f

  • SHA256

    abaa21e40541b0c5b6dde05662c83b5ed02fab478f01e2c19f49dc7819cf6521

  • SHA512

    1dac90a559c58a6311b5e52cdece9066bb3f253e6cc8bd2ee886f64f3374d5f489b157bda8ac951c12bad4f9fbc474cd4a2985ad6bd6cc8bd76675d25f46b18c

  • SSDEEP

    1536:IB4Abmg+E9NMnHpuLpv8jbBx5Ky4KlnYXZbJe:HrgWJuLR8jtDf4KlneZbJe

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\=_utf-8_B_6YeN6KaB6KGlLui0tOmAmuefpS5kb2N4_=.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:1764
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1872

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      20KB

      MD5

      2efb455dc4d6cd871a10b99848a81e0d

      SHA1

      4f132ef0e48785567ccce04cb77ff0d9c78b1b6f

      SHA256

      77e0e8cf2f91c820da5c121892a389ab52e347de5910b76e4bf82be6aad1e01b

      SHA512

      a478e964036ae259f2d709094989bb500f822d5cb44c8de2dbb7eda72c382870e1258bed0abe9b08fc760fa83cba56d6cd58c406936365c0d0f52722b7c75f90

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1764-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1764-98-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB