Analysis

  • max time kernel
    92s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 11:54

General

  • Target

    bzip2.dll

  • Size

    66KB

  • MD5

    9795fa2b84f1bd02d947089083049194

  • SHA1

    bbbed966e9b7f8c3ea4a5c57e309b7d898680a9f

  • SHA256

    6e74f65f8c04aeae5da470f69df1998d88321520979ec8b7b34a1527ce682ec1

  • SHA512

    d8cbc416ac921ceaef0464ecf62546931c0d3f8c15d01a89fb869ad02c23035e5d94183f2a8d4d0e3a543d46e66aa3b9c33d083873d2fa3d1581443580c8d847

  • SSDEEP

    1536:tjKmxlJrFdjFjpX97hrV3OXl5FJ0SVsYnBFkGdZ8gUETLIF8JXe9Nvvvvvvvvvvv:tFxlbdjFjpX97hrV3OXl5FJ0SV8gUiLS

Score
3/10

Malware Config

Signatures

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bzip2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bzip2.dll,#1
      2⤵
        PID:2820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 600
          3⤵
          • Program crash
          PID:3048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2820 -ip 2820
      1⤵
        PID:4236

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2820-0-0x0000000067140000-0x0000000067156000-memory.dmp

        Filesize

        88KB