Analysis

  • max time kernel
    141s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2023, 01:17

General

  • Target

    Kirsty/lib/Bunifu.UI.WinForms.BunifuTextBox.xml

  • Size

    59KB

  • MD5

    b4aca46463c3f2cbe8091312ac00fe82

  • SHA1

    1d8316953ba71c6bbf0bab013c00d730259d5b23

  • SHA256

    2e81043a42ea70ff659fbd3791f41ab16c1e9ff33047010c489cb2ea0b0adafd

  • SHA512

    13d6edf2913dfa698f867af81c23403fd97b4a95fb9aba083f1bda4be41c0d91bc768205d088a69a97179f187c25b00cf92db15b6f42985a135b6522154fa225

  • SSDEEP

    1536:QHos9Icq/BMQgVIaw4kCoPiyEK3gLGPfiCeC3Q4qdkzyW/fkAsm9E9acJiljoyed:e

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
    "C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\Kirsty\lib\Bunifu.UI.WinForms.BunifuTextBox.xml"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Kirsty\lib\Bunifu.UI.WinForms.BunifuTextBox.xml
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4176
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4176 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3832

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5PDJ0DFT\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • memory/3392-133-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-134-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-135-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-136-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-137-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-138-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-139-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-140-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB

        • memory/3392-141-0x00007FFA22D30000-0x00007FFA22D40000-memory.dmp

          Filesize

          64KB