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Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 18:27

General

  • Target

    d435ca3a32cf0a322e03ef4eee5424e9.exe

  • Size

    16KB

  • MD5

    d435ca3a32cf0a322e03ef4eee5424e9

  • SHA1

    29a3d304aa32705bdec80bb5374a3449774a76d1

  • SHA256

    f8e8d9079cb6bc2c1adc7a7e00af3ce27f46b5394b38666f4623cc095da62224

  • SHA512

    2125769f35aaa1403b34b1947960d895e388ac080c0ab9b34c9821d2b857ab0984c0c944d561fd892597a25456cc8dcbb489d6913dff0279eb1b8534dbbccb8f

  • SSDEEP

    384:RnlGe8iIwTUkgWp66dFFgl6eGG1lg6cdjn1NLd:RnlnFq6eP1lI11NL

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d435ca3a32cf0a322e03ef4eee5424e9.exe
    "C:\Users\Admin\AppData\Local\Temp\d435ca3a32cf0a322e03ef4eee5424e9.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Modifies WinLogon
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:456
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /f
      2⤵
      • Adds Run key to start application
      PID:1840
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /f
      2⤵
      • Adds Run key to start application
      PID:552

Network

MITRE ATT&CK Enterprise v15

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Downloads