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Analysis

  • max time kernel
    139s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2024, 08:49

General

  • Target

    9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll

  • Size

    2.0MB

  • MD5

    c9ec6136720fa45c4c2881ed15e5b0f4

  • SHA1

    3a72feefbb8bf8319623a3197db78ce05effc5d6

  • SHA256

    9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197

  • SHA512

    7a364b24328d539765d89ef34d7be05042052b5e22f1f149fc73b5b3447bb1c1e1b982afb4fcf291003775c3a0096f81d9ab61d993b98385c1b2a50bb675a321

  • SSDEEP

    49152:HbR9b0sn90JHxac0DswNZopwEBnHzGkHJOQUZFX:d9b0s90JHxsDswZoeonTGkHJPUr

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\9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9097893bb59efdaba1c471bb08c2aaf14bc57f386e175e253154009979641197.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      PID:3428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 624
        3⤵
        • Program crash
        PID:3636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 640
        3⤵
        • Program crash
        PID:1436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3428 -ip 3428
    1⤵
      PID:3992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3428 -ip 3428
      1⤵
        PID:1296

      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/3428-4-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/3428-5-0x00000000750F0000-0x00000000752DB000-memory.dmp

        Filesize

        1.9MB

      • memory/3428-6-0x00000000750F0000-0x00000000752DB000-memory.dmp

        Filesize

        1.9MB

      • memory/3428-7-0x00000000750F0000-0x00000000752DB000-memory.dmp

        Filesize

        1.9MB

      • memory/3428-8-0x00000000750F0000-0x00000000752DB000-memory.dmp

        Filesize

        1.9MB

      • memory/3428-10-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB