Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2024 13:39

General

  • Target

    2998ab29734f75dd8c1326ba0ace7e48d864be65da9f41c02e61ce7dd83a041e.dll

  • Size

    2.0MB

  • MD5

    3e50d9194d36cfd5d5a78e7bfd20441f

  • SHA1

    801e7159dc4b0dbd413ee3976ad7fe6d85c03061

  • SHA256

    2998ab29734f75dd8c1326ba0ace7e48d864be65da9f41c02e61ce7dd83a041e

  • SHA512

    71b2853242a4a63174606519951ee674bb81c7f8bc7ca4a5b878745acc1138b5c4dc0c672bc8dd098501002245fd81434800e44aec924638b0cfb61c401fe453

  • SSDEEP

    49152:YbR9b0sn90JHxac0DswNZotwEBnRzGkHJOQUZFv:e9b0s90JHxsDswZoKonVGkHJPUb

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2998ab29734f75dd8c1326ba0ace7e48d864be65da9f41c02e61ce7dd83a041e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2998ab29734f75dd8c1326ba0ace7e48d864be65da9f41c02e61ce7dd83a041e.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      PID:648
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 620
        3⤵
        • Program crash
        PID:4052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 648 -s 640
        3⤵
        • Program crash
        PID:3328
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 648 -ip 648
    1⤵
      PID:3308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 648 -ip 648
      1⤵
        PID:4144

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Program Files\Common Files\System\symsrv.dll

        Filesize

        67KB

        MD5

        7574cf2c64f35161ab1292e2f532aabf

        SHA1

        14ba3fa927a06224dfe587014299e834def4644f

        SHA256

        de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

        SHA512

        4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

      • memory/648-4-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/648-5-0x0000000074C80000-0x0000000074E6B000-memory.dmp

        Filesize

        1.9MB

      • memory/648-6-0x0000000074C80000-0x0000000074E6B000-memory.dmp

        Filesize

        1.9MB

      • memory/648-7-0x0000000074C80000-0x0000000074E6B000-memory.dmp

        Filesize

        1.9MB

      • memory/648-9-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB