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Analysis

  • max time kernel
    39s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 04:55

General

  • Target

    2904d2af7581f1af6e4ba7a4e8522edf.dll

  • Size

    25KB

  • MD5

    2904d2af7581f1af6e4ba7a4e8522edf

  • SHA1

    0f180073f8f9714773fe762f2d2cf3024139afbb

  • SHA256

    106171ba77bb1bbd0f4d3e52fec22430e6c1864a94c7ae80e5b0c6c590285b33

  • SHA512

    f49b5fcebe85b6fe4549816afe571dffd297ebfc7426c80d5d6ed62aaefd1528cf5e3fb8eecf0c259d3afef2fe377d98e25422be03af50f7fb0aab546bbeabc0

  • SSDEEP

    384:mdZibPLqEH883VHVkTlHOl4/cHK3b4y9T00TTWSyA/YNDtrHEyy:mT8qgoSpHK560TTWSqNDtrq

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2904d2af7581f1af6e4ba7a4e8522edf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2904d2af7581f1af6e4ba7a4e8522edf.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3168
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Windows\system32\geBrqolJ.dll,a
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        PID:3496
  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/3168-0-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3168-9-0x00000000031F0000-0x0000000003203000-memory.dmp

      Filesize

      76KB

    • memory/3168-6-0x00000000031F0000-0x0000000003203000-memory.dmp

      Filesize

      76KB

    • memory/3168-1-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3496-16-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3496-17-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB