Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2024, 08:54

General

  • Target
    531426ce9f21f54a6e25a3d4c1ffb56d.dll
  • Size 39KB
  • Sample240111-kt1lpachap
  • SHA256 7fdabf9f07c56c725a34c3c1ca0f8ff0776360d1b45ff571a6afdb65f2acdedd
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\531426ce9f21f54a6e25a3d4c1ffb56d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\531426ce9f21f54a6e25a3d4c1ffb56d.dll,#1
      2⤵
        PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 660
          3⤵
          • Program crash
          PID:1884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4596 -ip 4596
      1⤵
        PID:2188

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/4596-0-0x0000000010000000-0x0000000010022000-memory.dmp

            memory/4596-2-0x0000000010000000-0x0000000010022000-memory.dmp

            memory/4596-1-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

            memory/4596-3-0x0000000010000000-0x0000000010022000-memory.dmp