Analysis

  • max time kernel
    112s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2023 07:48

General

  • Target

    Software/Sourse/About/CoreFile.docx

  • Size

    1.3MB

  • MD5

    71fda98dec9558a1f3fd0997da984afe

  • SHA1

    bfa62ac61a091802a45a0c01fa9ddab5c3354adf

  • SHA256

    d58843e02d3d29b14ecda7902721e28bbd5491d9803bc96e35c1fa4e36fdec0d

  • SHA512

    788b6dd9c991aa9ce64f99625ab8ff9347a2deb234d453b3a37fe5be2a7e68ba5dd8991e26a5623fcac164682681fb253edfa3e11823a557078fc47b32aae2d8

  • SSDEEP

    24576:+9k65zehP8nFJYD3yVzNiVz5cnPTzgJ/jrW1nfuxafECqduek2AAQZnlfWpes:+ke2P8ouzNgzy7kJXcYCumZnxWf

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 behavior: GetForegroundWindowSpam 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\Software\Sourse\About\CoreFile.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:280
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:788

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\560032AE.png
      Filesize

      2KB

      MD5

      60ec313e619049e5b3890d5a585eacf6

      SHA1

      a71027eebdb4f40153f28f17334d94507b7377af

      SHA256

      ec9c5cbd823423f9a899cdfc935c92d5cfce43c10394472e2f8616ba16d77525

      SHA512

      0566ffb881497b635cecb5df1fd5ed76cd35b8c53d74fa571aa4be2de0d75e02f6a13867d226a2e38bd1eaa78d0c5a1c4096cf3fda5c49c57709301a06ffb10a

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\BEAF54C9.png
      Filesize

      359B

      MD5

      1b0c2f2cf9ec01545a939f385aa63a9b

      SHA1

      9c1e8631c040f8dd7fd5bae74a5ee19456f5849d

      SHA256

      54263f99639adf85f4113f619d594656c304af0b5263fd4fbfbf4ebce34f935f

      SHA512

      b2a9aec9fbff2c2c44c28df1eec4975731a1337d5d251ddef8577c2a9351a0558a7bd55734bb6acfdcef52e26ab86d278e51921f8517962a1f30b1f97d905b70

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\C23A73AA.png
      Filesize

      2KB

      MD5

      56ee25041ab352ced8a18d781eac7887

      SHA1

      0c50e8d9056b80738585ffa29ade9a2fe91bbf15

      SHA256

      3ee7a5d1959af51219dfcce9c31adc117518f7678b0386f8fdcec322da14165d

      SHA512

      b0573430ff87c6ee2b84bb59d1eb57231735ee559061ef1bff6059ff6d32b86d987d5089577b4b44b2d783527f7fa233f0deba63950672a365ab4f660f3137c4

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

      20KB

      MD5

      68bf1f8e586ccb7f7f1d48e1db8d62ab

      SHA1

      f3c516d547d7a0587cba4c5ac76177b5c60f5b87

      SHA256

      a7f0b3fff3e8f583a714158ffc8382e330d32bac8b393ba911e6d0712197e3aa

      SHA512

      71ab899b5a535b83ad4d481b5e03f24c8a3cfb04c3e8cb166b21d92e274e7f99d9fea74a3cbcf61aadb8c30d9d2bd39e058a3fc922ddd59b941db7e3f2963b1a

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/280-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/280-336-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB